diff options
Diffstat (limited to 'drivers')
283 files changed, 2249 insertions, 1116 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index a7c2673ffd36..1806260938e8 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -948,8 +948,8 @@ static bool acpi_dev_needs_resume(struct device *dev, struct acpi_device *adev) u32 sys_target = acpi_target_system_state(); int ret, state; - if (!pm_runtime_suspended(dev) || !adev || - device_may_wakeup(dev) != !!adev->wakeup.prepare_count) + if (!pm_runtime_suspended(dev) || !adev || (adev->wakeup.flags.valid && + device_may_wakeup(dev) != !!adev->wakeup.prepare_count)) return true; if (sys_target == ACPI_STATE_S0) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index ce0e4d317d24..5d67f5fec6c1 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -3936,6 +3936,8 @@ retry: case BINDER_WORK_TRANSACTION_COMPLETE: { binder_inner_proc_unlock(proc); cmd = BR_TRANSACTION_COMPLETE; + kfree(w); + binder_stats_deleted(BINDER_STAT_TRANSACTION_COMPLETE); if (put_user(cmd, (uint32_t __user *)ptr)) return -EFAULT; ptr += sizeof(uint32_t); @@ -3944,8 +3946,6 @@ retry: binder_debug(BINDER_DEBUG_TRANSACTION_COMPLETE, "%d:%d BR_TRANSACTION_COMPLETE\n", proc->pid, thread->pid); - kfree(w); - binder_stats_deleted(BINDER_STAT_TRANSACTION_COMPLETE); } break; case BINDER_WORK_NODE: { struct binder_node *node = container_of(w, struct binder_node, work); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index adf28788cab5..133fed8e4a8b 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4476,9 +4476,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ | ATA_HORKAGE_FIRMWARE_WARN }, - /* drives which fail FPDMA_AA activation (some may freeze afterwards) */ - { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, - { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + /* drives which fail FPDMA_AA activation (some may freeze afterwards) + the ST disks also have LPM issues */ + { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA | + ATA_HORKAGE_NOLPM, }, + { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA | + ATA_HORKAGE_NOLPM, }, { "VB0250EAVER", "HPG7", ATA_HORKAGE_BROKEN_FPDMA_AA }, /* Blacklist entries taken from Silicon Image 3124/3132 diff --git a/drivers/block/loop.c b/drivers/block/loop.c index f1e63eb7cbca..aa76c816dbb4 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -70,7 +70,7 @@ #include <linux/writeback.h> #include <linux/completion.h> #include <linux/highmem.h> -#include <linux/kthread.h> +#include <linux/kthread-cgroup.h> #include <linux/splice.h> #include <linux/sysfs.h> #include <linux/miscdevice.h> diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 64191694ff6e..9cfdbea493bb 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -835,6 +835,9 @@ static const int rk3288_saved_cru_reg_ids[] = { RK3288_CLKSEL_CON(10), RK3288_CLKSEL_CON(33), RK3288_CLKSEL_CON(37), + + /* We turn aclk_dmac1 on for suspend; this will restore it */ + RK3288_CLKGATE_CON(10), }; static u32 rk3288_saved_cru_regs[ARRAY_SIZE(rk3288_saved_cru_reg_ids)]; @@ -851,6 +854,14 @@ static int rk3288_clk_suspend(void) } /* + * Going into deep sleep (specifically setting PMU_CLR_DMA in + * RK3288_PMU_PWRMODE_CON1) appears to fail unless + * "aclk_dmac1" is on. + */ + writel_relaxed(1 << (12 + 16), + rk3288_cru_base + RK3288_CLKGATE_CON(10)); + + /* * Switch PLLs other than DPLL (for SDRAM) to slow mode to * avoid crashes on resume. The Mask ROM on the system will * put APLL, CPLL, and GPLL into slow mode at resume time diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c index 8281dfbf38c2..5bed36e12951 100644 --- a/drivers/clk/socfpga/clk-s10.c +++ b/drivers/clk/socfpga/clk-s10.c @@ -103,9 +103,9 @@ static const struct stratix10_perip_cnt_clock s10_main_perip_cnt_clks[] = { { STRATIX10_NOC_CLK, "noc_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0, 0, 0x3C, 1}, { STRATIX10_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux), - 0, 0, 4, 0xB0, 0}, + 0, 0, 2, 0xB0, 0}, { STRATIX10_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux), - 0, 0, 4, 0xB0, 1}, + 0, 0, 2, 0xB0, 1}, { STRATIX10_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux, ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 4, 0xB0, 2}, { STRATIX10_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux, diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c index 421b05392220..ca3218337fd7 100644 --- a/drivers/clk/ti/clkctrl.c +++ b/drivers/clk/ti/clkctrl.c @@ -137,9 +137,6 @@ static int _omap4_clkctrl_clk_enable(struct clk_hw *hw) int ret; union omap4_timeout timeout = { 0 }; - if (!clk->enable_bit) - return 0; - if (clk->clkdm) { ret = ti_clk_ll_ops->clkdm_clk_enable(clk->clkdm, hw->clk); if (ret) { @@ -151,6 +148,9 @@ static int _omap4_clkctrl_clk_enable(struct clk_hw *hw) } } + if (!clk->enable_bit) + return 0; + val = ti_clk_ll_ops->clk_readl(&clk->enable_reg); val &= ~OMAP4_MODULEMODE_MASK; @@ -179,7 +179,7 @@ static void _omap4_clkctrl_clk_disable(struct clk_hw *hw) union omap4_timeout timeout = { 0 }; if (!clk->enable_bit) - return; + goto exit; val = ti_clk_ll_ops->clk_readl(&clk->enable_reg); diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index f4f3e9a5851e..c5859d3cb825 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -2286,7 +2286,7 @@ static struct talitos_alg_template driver_algs[] = { .base = { .cra_name = "authenc(hmac(sha1),cbc(aes))", .cra_driver_name = "authenc-hmac-sha1-" - "cbc-aes-talitos", + "cbc-aes-talitos-hsna", .cra_blocksize = AES_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, @@ -2330,7 +2330,7 @@ static struct talitos_alg_template driver_algs[] = { .cra_name = "authenc(hmac(sha1)," "cbc(des3_ede))", .cra_driver_name = "authenc-hmac-sha1-" - "cbc-3des-talitos", + "cbc-3des-talitos-hsna", .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, @@ -2372,7 +2372,7 @@ static struct talitos_alg_template driver_algs[] = { .base = { .cra_name = "authenc(hmac(sha224),cbc(aes))", .cra_driver_name = "authenc-hmac-sha224-" - "cbc-aes-talitos", + "cbc-aes-talitos-hsna", .cra_blocksize = AES_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, @@ -2416,7 +2416,7 @@ static struct talitos_alg_template driver_algs[] = { .cra_name = "authenc(hmac(sha224)," "cbc(des3_ede))", .cra_driver_name = "authenc-hmac-sha224-" - "cbc-3des-talitos", + "cbc-3des-talitos-hsna", .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, @@ -2458,7 +2458,7 @@ static struct talitos_alg_template driver_algs[] = { .base = { .cra_name = "authenc(hmac(sha256),cbc(aes))", .cra_driver_name = "authenc-hmac-sha256-" - "cbc-aes-talitos", + "cbc-aes-talitos-hsna", .cra_blocksize = AES_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, @@ -2502,7 +2502,7 @@ static struct talitos_alg_template driver_algs[] = { .cra_name = "authenc(hmac(sha256)," "cbc(des3_ede))", .cra_driver_name = "authenc-hmac-sha256-" - "cbc-3des-talitos", + "cbc-3des-talitos-hsna", .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, @@ -2628,7 +2628,7 @@ static struct talitos_alg_template driver_algs[] = { .base = { .cra_name = "authenc(hmac(md5),cbc(aes))", .cra_driver_name = "authenc-hmac-md5-" - "cbc-aes-talitos", + "cbc-aes-talitos-hsna", .cra_blocksize = AES_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, @@ -2670,7 +2670,7 @@ static struct talitos_alg_template driver_algs[] = { .base = { .cra_name = "authenc(hmac(md5),cbc(des3_ede))", .cra_driver_name = "authenc-hmac-md5-" - "cbc-3des-talitos", + "cbc-3des-talitos-hsna", .cra_blocksize = DES3_EDE_BLOCK_SIZE, .cra_flags = CRYPTO_ALG_ASYNC, }, diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index c4eb55e3011c..c05ef7f1d7b6 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -512,7 +512,8 @@ dma_chan_prep_dma_memcpy(struct dma_chan *dchan, dma_addr_t dst_adr, return vchan_tx_prep(&chan->vc, &first->vd, flags); err_desc_get: - axi_desc_put(first); + if (first) + axi_desc_put(first); return NULL; } diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index 1fbf9cb9b742..89c5e5b46068 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -597,7 +597,7 @@ static int idma64_probe(struct idma64_chip *chip) idma64->dma.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); idma64->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; - idma64->dma.dev = chip->dev; + idma64->dma.dev = chip->sysdev; dma_set_max_seg_size(idma64->dma.dev, IDMA64C_CTLH_BLOCK_TS_MASK); @@ -637,6 +637,7 @@ static int idma64_platform_probe(struct platform_device *pdev) { struct idma64_chip *chip; struct device *dev = &pdev->dev; + struct device *sysdev = dev->parent; struct resource *mem; int ret; @@ -653,11 +654,12 @@ static int idma64_platform_probe(struct platform_device *pdev) if (IS_ERR(chip->regs)) return PTR_ERR(chip->regs); - ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + ret = dma_coerce_mask_and_coherent(sysdev, DMA_BIT_MASK(64)); if (ret) return ret; chip->dev = dev; + chip->sysdev = sysdev; ret = idma64_probe(chip); if (ret) diff --git a/drivers/dma/idma64.h b/drivers/dma/idma64.h index 6b816878e5e7..baa32e1425de 100644 --- a/drivers/dma/idma64.h +++ b/drivers/dma/idma64.h @@ -216,12 +216,14 @@ static inline void idma64_writel(struct idma64 *idma64, int offset, u32 value) /** * struct idma64_chip - representation of iDMA 64-bit controller hardware * @dev: struct device of the DMA controller + * @sysdev: struct device of the physical device that does DMA * @irq: irq line * @regs: memory mapped I/O space * @idma64: struct idma64 that is filed by idma64_probe() */ struct idma64_chip { struct device *dev; + struct device *sysdev; int irq; void __iomem *regs; struct idma64 *idma64; diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index cb1b44d78a1f..1c658ec3cbf4 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -681,7 +681,7 @@ static int sdma_load_script(struct sdma_engine *sdma, void *buf, int size, spin_lock_irqsave(&sdma->channel_0_lock, flags); bd0->mode.command = C0_SETPM; - bd0->mode.status = BD_DONE | BD_INTR | BD_WRAP | BD_EXTD; + bd0->mode.status = BD_DONE | BD_WRAP | BD_EXTD; bd0->mode.count = size / 2; bd0->buffer_addr = buf_phys; bd0->ext_buffer_addr = address; @@ -1000,7 +1000,7 @@ static int sdma_load_context(struct sdma_channel *sdmac) context->gReg[7] = sdmac->watermark_level; bd0->mode.command = C0_SETDM; - bd0->mode.status = BD_DONE | BD_INTR | BD_WRAP | BD_EXTD; + bd0->mode.status = BD_DONE | BD_WRAP | BD_EXTD; bd0->mode.count = sizeof(*context) / 4; bd0->buffer_addr = sdma->context_phys; bd0->ext_buffer_addr = 2048 + (sizeof(*context) / 4) * channel; diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 1617715aa6e0..489c8fa4d2e2 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -808,6 +808,9 @@ static u32 process_channel_irqs(struct bam_device *bdev) /* Number of bytes available to read */ avail = CIRC_CNT(offset, bchan->head, MAX_DESCRIPTORS + 1); + if (offset < bchan->head) + avail--; + list_for_each_entry_safe(async_desc, tmp, &bchan->desc_list, desc_node) { /* Not enough data to read */ diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index 55df0d41355b..1ed1c7efa288 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -663,7 +663,7 @@ static int sprd_dma_fill_desc(struct dma_chan *chan, temp |= slave_cfg->src_maxburst & SPRD_DMA_FRG_LEN_MASK; hw->frg_len = temp; - hw->blk_len = len & SPRD_DMA_BLK_LEN_MASK; + hw->blk_len = slave_cfg->src_maxburst & SPRD_DMA_BLK_LEN_MASK; hw->trsc_len = len & SPRD_DMA_TRSC_LEN_MASK; temp = (dst_step & SPRD_DMA_TRSF_STEP_MASK) << SPRD_DMA_DEST_TRSF_STEP_OFFSET; diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index 57304b2e989f..b00cc03ad6b6 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -250,8 +250,8 @@ config EDAC_PND2 micro-server but may appear on others in the future. config EDAC_MPC85XX - tristate "Freescale MPC83xx / MPC85xx" - depends on FSL_SOC + bool "Freescale MPC83xx / MPC85xx" + depends on FSL_SOC && EDAC=y help Support for error detection and correction on the Freescale MPC8349, MPC8560, MPC8540, MPC8548, T4240 diff --git a/drivers/fpga/dfl-afu-dma-region.c b/drivers/fpga/dfl-afu-dma-region.c index 0e81d33af856..c9a613dc9eb7 100644 --- a/drivers/fpga/dfl-afu-dma-region.c +++ b/drivers/fpga/dfl-afu-dma-region.c @@ -399,7 +399,7 @@ int afu_dma_map_region(struct dfl_feature_platform_data *pdata, region->pages[0], 0, region->length, DMA_BIDIRECTIONAL); - if (dma_mapping_error(&pdata->dev->dev, region->iova)) { + if (dma_mapping_error(dfl_fpga_pdata_to_parent(pdata), region->iova)) { dev_err(&pdata->dev->dev, "failed to map for dma\n"); ret = -EFAULT; goto unpin_pages; diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index a9b521bccb06..ab361ec78df4 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -40,6 +40,13 @@ enum dfl_fpga_devt_type { DFL_FPGA_DEVT_MAX, }; +static struct lock_class_key dfl_pdata_keys[DFL_ID_MAX]; + +static const char *dfl_pdata_key_strings[DFL_ID_MAX] = { + "dfl-fme-pdata", + "dfl-port-pdata", +}; + /** * dfl_dev_info - dfl feature device information. * @name: name string of the feature platform device. @@ -443,11 +450,16 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo) struct platform_device *fdev = binfo->feature_dev; struct dfl_feature_platform_data *pdata; struct dfl_feature_info *finfo, *p; + enum dfl_id_type type; int ret, index = 0; if (!fdev) return 0; + type = feature_dev_id_type(fdev); + if (WARN_ON_ONCE(type >= DFL_ID_MAX)) + return -EINVAL; + /* * we do not need to care for the memory which is associated with * the platform device. After calling platform_device_unregister(), @@ -463,6 +475,8 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo) pdata->num = binfo->feature_num; pdata->dfl_cdev = binfo->cdev; mutex_init(&pdata->lock); + lockdep_set_class_and_name(&pdata->lock, &dfl_pdata_keys[type], + dfl_pdata_key_strings[type]); /* * the count should be initialized to 0 to make sure @@ -497,7 +511,7 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo) ret = platform_device_add(binfo->feature_dev); if (!ret) { - if (feature_dev_id_type(binfo->feature_dev) == PORT_ID) + if (type == PORT_ID) dfl_fpga_cdev_add_port_dev(binfo->cdev, binfo->feature_dev); else diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 4f52c3a8ec99..ed51221621a5 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -784,6 +784,7 @@ config GPIO_ADP5588 config GPIO_ADP5588_IRQ bool "Interrupt controller support for ADP5588" depends on GPIO_ADP5588=y + select GPIOLIB_IRQCHIP help Say yes here to enable the adp5588 to be used as an interrupt controller. It requires the driver to be built in the kernel. diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 6c1acf642c8e..6fa430d98517 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -343,6 +343,22 @@ static void omap_clear_gpio_debounce(struct gpio_bank *bank, unsigned offset) } } +/* + * Off mode wake-up capable GPIOs in bank(s) that are in the wakeup domain. + * See TRM section for GPIO for "Wake-Up Generation" for the list of GPIOs + * in wakeup domain. If bank->non_wakeup_gpios is not configured, assume none + * are capable waking up the system from off mode. + */ +static bool omap_gpio_is_off_wakeup_capable(struct gpio_bank *bank, u32 gpio_mask) +{ + u32 no_wake = bank->non_wakeup_gpios; + + if (no_wake) + return !!(~no_wake & gpio_mask); + + return false; +} + static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio, unsigned trigger) { @@ -374,13 +390,7 @@ static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio, } /* This part needs to be executed always for OMAP{34xx, 44xx} */ - if (!bank->regs->irqctrl) { - /* On omap24xx proceed only when valid GPIO bit is set */ - if (bank->non_wakeup_gpios) { - if (!(bank->non_wakeup_gpios & gpio_bit)) - goto exit; - } - + if (!bank->regs->irqctrl && !omap_gpio_is_off_wakeup_capable(bank, gpio)) { /* * Log the edge gpio and manually trigger the IRQ * after resume if the input level changes @@ -393,7 +403,6 @@ static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio, bank->enabled_non_wakeup_gpios &= ~gpio_bit; } -exit: bank->level_mask = readl_relaxed(bank->base + bank->regs->leveldetect0) | readl_relaxed(bank->base + bank->regs->leveldetect1); diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 7e09ce75ffb2..a9cb5571de54 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -37,6 +37,7 @@ struct fsl_gpio_soc_data { struct vf610_gpio_port { struct gpio_chip gc; + struct irq_chip ic; void __iomem *base; void __iomem *gpio_base; const struct fsl_gpio_soc_data *sdata; @@ -66,8 +67,6 @@ struct vf610_gpio_port { #define PORT_INT_EITHER_EDGE 0xb #define PORT_INT_LOGIC_ONE 0xc -static struct irq_chip vf610_gpio_irq_chip; - static const struct fsl_gpio_soc_data imx_data = { .have_paddr = true, }; @@ -243,15 +242,6 @@ static int vf610_gpio_irq_set_wake(struct irq_data *d, u32 enable) return 0; } -static struct irq_chip vf610_gpio_irq_chip = { - .name = "gpio-vf610", - .irq_ack = vf610_gpio_irq_ack, - .irq_mask = vf610_gpio_irq_mask, - .irq_unmask = vf610_gpio_irq_unmask, - .irq_set_type = vf610_gpio_irq_set_type, - .irq_set_wake = vf610_gpio_irq_set_wake, -}; - static int vf610_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -259,6 +249,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) struct vf610_gpio_port *port; struct resource *iores; struct gpio_chip *gc; + struct irq_chip *ic; int i; int ret; @@ -295,6 +286,14 @@ static int vf610_gpio_probe(struct platform_device *pdev) gc->direction_output = vf610_gpio_direction_output; gc->set = vf610_gpio_set; + ic = &port->ic; + ic->name = "gpio-vf610"; + ic->irq_ack = vf610_gpio_irq_ack; + ic->irq_mask = vf610_gpio_irq_mask; + ic->irq_unmask = vf610_gpio_irq_unmask; + ic->irq_set_type = vf610_gpio_irq_set_type; + ic->irq_set_wake = vf610_gpio_irq_set_wake; + ret = gpiochip_add_data(gc, port); if (ret < 0) return ret; @@ -306,14 +305,13 @@ static int vf610_gpio_probe(struct platform_device *pdev) /* Clear the interrupt status register for all GPIO's */ vf610_gpio_writel(~0, port->base + PORT_ISFR); - ret = gpiochip_irqchip_add(gc, &vf610_gpio_irq_chip, 0, - handle_edge_irq, IRQ_TYPE_NONE); + ret = gpiochip_irqchip_add(gc, ic, 0, handle_edge_irq, IRQ_TYPE_NONE); if (ret) { dev_err(dev, "failed to add irqchip\n"); gpiochip_remove(gc); return ret; } - gpiochip_set_chained_irqchip(gc, &vf610_gpio_irq_chip, port->irq, + gpiochip_set_chained_irqchip(gc, ic, port->irq, vf610_gpio_irq_handler); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 325e2213cac5..46568497ef18 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1801,25 +1801,6 @@ static void gfx_v9_0_gpu_init(struct amdgpu_device *adev) mutex_unlock(&adev->srbm_mutex); gfx_v9_0_init_compute_vmid(adev); - - mutex_lock(&adev->grbm_idx_mutex); - /* - * making sure that the following register writes will be broadcasted - * to all the shaders - */ - gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); - - WREG32_SOC15(GC, 0, mmPA_SC_FIFO_SIZE, - (adev->gfx.config.sc_prim_fifo_size_frontend << - PA_SC_FIFO_SIZE__SC_FRONTEND_PRIM_FIFO_SIZE__SHIFT) | - (adev->gfx.config.sc_prim_fifo_size_backend << - PA_SC_FIFO_SIZE__SC_BACKEND_PRIM_FIFO_SIZE__SHIFT) | - (adev->gfx.config.sc_hiz_tile_fifo_size << - PA_SC_FIFO_SIZE__SC_HIZ_TILE_FIFO_SIZE__SHIFT) | - (adev->gfx.config.sc_earlyz_tile_fifo_size << - PA_SC_FIFO_SIZE__SC_EARLYZ_TILE_FIFO_SIZE__SHIFT)); - mutex_unlock(&adev->grbm_idx_mutex); - } static void gfx_v9_0_wait_for_rlc_serdes(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c index bf8b68f8db4f..bce5741f2952 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c @@ -388,6 +388,10 @@ void dpp1_cnv_setup ( default: break; } + + /* Set default color space based on format if none is given. */ + color_space = input_color_space ? input_color_space : color_space; + REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0, CNVC_SURFACE_PIXEL_FORMAT, pixel_format); REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en); @@ -399,7 +403,7 @@ void dpp1_cnv_setup ( for (i = 0; i < 12; i++) tbl_entry.regval[i] = input_csc_color_matrix.matrix[i]; - tbl_entry.color_space = input_color_space; + tbl_entry.color_space = color_space; if (color_space >= COLOR_SPACE_YCBCR601) select = INPUT_CSC_SELECT_ICSC; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index a0355709abd1..7736ef123e9b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -1890,7 +1890,7 @@ static void update_dpp(struct dpp *dpp, struct dc_plane_state *plane_state) plane_state->format, EXPANSION_MODE_ZERO, plane_state->input_csc_color_matrix, - COLOR_SPACE_YCBCR601_LIMITED); + plane_state->color_space); //set scale and bias registers build_prescale_params(&bns_params, plane_state); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c index 4e1fd5393845..fbbd5a4877e9 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c @@ -916,8 +916,10 @@ static int init_thermal_controller( PHM_PlatformCaps_ThermalController ); - if (0 == powerplay_table->usFanTableOffset) + if (0 == powerplay_table->usFanTableOffset) { + hwmgr->thermal_controller.use_hw_fan_control = 1; return 0; + } fan_table = (const PPTable_Generic_SubTable_Header *) (((unsigned long)powerplay_table) + diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index d3d96260f440..6ee864455a12 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -677,6 +677,7 @@ struct pp_thermal_controller_info { uint8_t ucType; uint8_t ucI2cLine; uint8_t ucI2cAddress; + uint8_t use_hw_fan_control; struct pp_fan_info fanInfo; struct pp_advance_fan_control_parameters advanceFanControlParameters; }; diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c index 45629f26dbc2..0dbca3865851 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c @@ -2038,6 +2038,10 @@ static int polaris10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr) return 0; } + /* use hardware fan control */ + if (hwmgr->thermal_controller.use_hw_fan_control) + return 0; + tmp64 = hwmgr->thermal_controller.advanceFanControlParameters. usPWMMin * duty100; do_div(tmp64, 10000); diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c index e4d67b70244d..e69d996eabad 100644 --- a/drivers/gpu/drm/arm/hdlcd_crtc.c +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c @@ -186,20 +186,20 @@ static void hdlcd_crtc_atomic_disable(struct drm_crtc *crtc, clk_disable_unprepare(hdlcd->clk); } -static int hdlcd_crtc_atomic_check(struct drm_crtc *crtc, - struct drm_crtc_state *state) +static enum drm_mode_status hdlcd_crtc_mode_valid(struct drm_crtc *crtc, + const struct drm_display_mode *mode) { struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc); - struct drm_display_mode *mode = &state->adjusted_mode; long rate, clk_rate = mode->clock * 1000; rate = clk_round_rate(hdlcd->clk, clk_rate); - if (rate != clk_rate) { + /* 0.1% seems a close enough tolerance for the TDA19988 on Juno */ + if (abs(rate - clk_rate) * 1000 > clk_rate) { /* clock required by mode not supported by hardware */ - return -EINVAL; + return MODE_NOCLOCK; } - return 0; + return MODE_OK; } static void hdlcd_crtc_atomic_begin(struct drm_crtc *crtc, @@ -220,7 +220,7 @@ static void hdlcd_crtc_atomic_begin(struct drm_crtc *crtc, } static const struct drm_crtc_helper_funcs hdlcd_crtc_helper_funcs = { - .atomic_check = hdlcd_crtc_atomic_check, + .mode_valid = hdlcd_crtc_mode_valid, .atomic_begin = hdlcd_crtc_atomic_begin, .atomic_enable = hdlcd_crtc_atomic_enable, .atomic_disable = hdlcd_crtc_atomic_disable, diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index 94d6dabec2dc..1ab511e33243 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -190,6 +190,7 @@ static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state) { struct drm_device *drm = state->dev; struct malidp_drm *malidp = drm->dev_private; + int loop = 5; malidp->event = malidp->crtc.state->event; malidp->crtc.state->event = NULL; @@ -204,8 +205,18 @@ static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state) drm_crtc_vblank_get(&malidp->crtc); /* only set config_valid if the CRTC is enabled */ - if (malidp_set_and_wait_config_valid(drm) < 0) + if (malidp_set_and_wait_config_valid(drm) < 0) { + /* + * make a loop around the second CVAL setting and + * try 5 times before giving up. + */ + while (loop--) { + if (!malidp_set_and_wait_config_valid(drm)) + break; + } DRM_DEBUG_DRIVER("timed out waiting for updated configuration\n"); + } + } else if (malidp->event) { /* CRTC inactive means vblank IRQ is disabled, send event directly */ spin_lock_irq(&drm->event_lock); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 85c2d407a52e..e7ddd3e3db92 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -747,11 +747,11 @@ static void adv7511_mode_set(struct adv7511 *adv7511, vsync_polarity = 1; } - if (mode->vrefresh <= 24000) + if (drm_mode_vrefresh(mode) <= 24) low_refresh_rate = ADV7511_LOW_REFRESH_RATE_24HZ; - else if (mode->vrefresh <= 25000) + else if (drm_mode_vrefresh(mode) <= 25) low_refresh_rate = ADV7511_LOW_REFRESH_RATE_25HZ; - else if (mode->vrefresh <= 30000) + else if (drm_mode_vrefresh(mode) <= 30) low_refresh_rate = ADV7511_LOW_REFRESH_RATE_30HZ; else low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE; diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index e2f775d1c112..21bec4548092 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -1321,7 +1321,10 @@ static int copy_one_buf(void *data, int count, struct drm_buf_entry *from) .size = from->buf_size, .low_mark = from->low_mark, .high_mark = from->high_mark}; - return copy_to_user(to, &v, offsetof(struct drm_buf_desc, flags)); + + if (copy_to_user(to, &v, offsetof(struct drm_buf_desc, flags))) + return -EFAULT; + return 0; } int drm_legacy_infobufs(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 7c581f4c2b94..5965f6383ada 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1580,6 +1580,50 @@ static void connector_bad_edid(struct drm_connector *connector, } } +/* Get override or firmware EDID */ +static struct edid *drm_get_override_edid(struct drm_connector *connector) +{ + struct edid *override = NULL; + + if (connector->override_edid) + override = drm_edid_duplicate(connector->edid_blob_ptr->data); + + if (!override) + override = drm_load_edid_firmware(connector); + + return IS_ERR(override) ? NULL : override; +} + +/** + * drm_add_override_edid_modes - add modes from override/firmware EDID + * @connector: connector we're probing + * + * Add modes from the override/firmware EDID, if available. Only to be used from + * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe + * failed during drm_get_edid() and caused the override/firmware EDID to be + * skipped. + * + * Return: The number of modes added or 0 if we couldn't find any. + */ +int drm_add_override_edid_modes(struct drm_connector *connector) +{ + struct edid *override; + int num_modes = 0; + + override = drm_get_override_edid(connector); + if (override) { + drm_connector_update_edid_property(connector, override); + num_modes = drm_add_edid_modes(connector, override); + kfree(override); + + DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n", + connector->base.id, connector->name, num_modes); + } + + return num_modes; +} +EXPORT_SYMBOL(drm_add_override_edid_modes); + /** * drm_do_get_edid - get EDID data using a custom EDID block read function * @connector: connector we're probing @@ -1607,15 +1651,10 @@ struct edid *drm_do_get_edid(struct drm_connector *connector, { int i, j = 0, valid_extensions = 0; u8 *edid, *new; - struct edid *override = NULL; - - if (connector->override_edid) - override = drm_edid_duplicate(connector->edid_blob_ptr->data); - - if (!override) - override = drm_load_edid_firmware(connector); + struct edid *override; - if (!IS_ERR_OR_NULL(override)) + override = drm_get_override_edid(connector); + if (override) return override; if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index a0663f44e218..8b546fde139d 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2957,7 +2957,8 @@ static int drm_fbdev_fb_open(struct fb_info *info, int user) { struct drm_fb_helper *fb_helper = info->par; - if (!try_module_get(fb_helper->dev->driver->fops->owner)) + /* No need to take a ref for fbcon because it unbinds on unregister */ + if (user && !try_module_get(fb_helper->dev->driver->fops->owner)) return -ENODEV; return 0; @@ -2967,7 +2968,8 @@ static int drm_fbdev_fb_release(struct fb_info *info, int user) { struct drm_fb_helper *fb_helper = info->par; - module_put(fb_helper->dev->driver->fops->owner); + if (user) + module_put(fb_helper->dev->driver->fops->owner); return 0; } diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 67b1fca39aa6..138680b37c70 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -372,7 +372,10 @@ static int copy_one_buf32(void *data, int count, struct drm_buf_entry *from) .size = from->buf_size, .low_mark = from->low_mark, .high_mark = from->high_mark}; - return copy_to_user(to + count, &v, offsetof(drm_buf_desc32_t, flags)); + + if (copy_to_user(to + count, &v, offsetof(drm_buf_desc32_t, flags))) + return -EFAULT; + return 0; } static int drm_legacy_infobufs32(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c index ee4a5e1221f1..b44bed554211 100644 --- a/drivers/gpu/drm/drm_panel_orientation_quirks.c +++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c @@ -42,6 +42,14 @@ static const struct drm_dmi_panel_orientation_data asus_t100ha = { .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP, }; +static const struct drm_dmi_panel_orientation_data gpd_micropc = { + .width = 720, + .height = 1280, + .bios_dates = (const char * const []){ "04/26/2019", + NULL }, + .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, +}; + static const struct drm_dmi_panel_orientation_data gpd_pocket = { .width = 1200, .height = 1920, @@ -50,6 +58,14 @@ static const struct drm_dmi_panel_orientation_data gpd_pocket = { .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; +static const struct drm_dmi_panel_orientation_data gpd_pocket2 = { + .width = 1200, + .height = 1920, + .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018", + "12/07/2018", NULL }, + .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, +}; + static const struct drm_dmi_panel_orientation_data gpd_win = { .width = 720, .height = 1280, @@ -85,6 +101,14 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"), }, .driver_data = (void *)&asus_t100ha, + }, { /* GPD MicroPC (generic strings, also match on bios date) */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), + }, + .driver_data = (void *)&gpd_micropc, }, { /* * GPD Pocket, note that the the DMI data is less generic then * it seems, devices with a board-vendor of "AMI Corporation" @@ -98,6 +122,14 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), }, .driver_data = (void *)&gpd_pocket, + }, { /* GPD Pocket 2 (generic strings, also match on bios date) */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), + }, + .driver_data = (void *)&gpd_pocket2, }, { /* GPD Win (same note on DMI match as GPD Pocket) */ .matches = { DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index a1bb157bfdfa..d18b7e27ef64 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -479,6 +479,13 @@ retry: count = (*connector_funcs->get_modes)(connector); + /* + * Fallback for when DDC probe failed in drm_get_edid() and thus skipped + * override/firmware EDID. + */ + if (count == 0 && connector->status == connector_status_connected) + count = drm_add_override_edid_modes(connector); + if (count == 0 && connector->status == connector_status_connected) count = drm_add_modes_noedid(connector, 1024, 768); count += drm_helper_probe_add_cmdline_mode(connector); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c index 9146e30e24a6..468dff2f7904 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c @@ -124,6 +124,8 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu) return; etnaviv_dump_core = false; + mutex_lock(&gpu->mmu->lock); + mmu_size = etnaviv_iommu_dump_size(gpu->mmu); /* We always dump registers, mmu, ring and end marker */ @@ -166,6 +168,7 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu) iter.start = __vmalloc(file_size, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY, PAGE_KERNEL); if (!iter.start) { + mutex_unlock(&gpu->mmu->lock); dev_warn(gpu->dev, "failed to allocate devcoredump file\n"); return; } @@ -233,6 +236,8 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu) obj->base.size); } + mutex_unlock(&gpu->mmu->lock); + etnaviv_core_dump_header(&iter, ETDUMP_BUF_END, iter.data); dev_coredumpv(gpu->dev, iter.start, iter.data - iter.start, GFP_KERNEL); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index f225fbc6edd2..6a859e077ea0 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -760,7 +760,7 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) if (IS_ERR(gpu->cmdbuf_suballoc)) { dev_err(gpu->dev, "Failed to create cmdbuf suballocator\n"); ret = PTR_ERR(gpu->cmdbuf_suballoc); - goto fail; + goto destroy_iommu; } /* Create buffer: */ @@ -768,7 +768,7 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) PAGE_SIZE); if (ret) { dev_err(gpu->dev, "could not create command buffer\n"); - goto destroy_iommu; + goto destroy_suballoc; } if (gpu->mmu->version == ETNAVIV_IOMMU_V1 && @@ -800,6 +800,9 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) free_buffer: etnaviv_cmdbuf_free(&gpu->buffer); gpu->buffer.suballoc = NULL; +destroy_suballoc: + etnaviv_cmdbuf_suballoc_destroy(gpu->cmdbuf_suballoc); + gpu->cmdbuf_suballoc = NULL; destroy_iommu: etnaviv_iommu_destroy(gpu->mmu); gpu->mmu = NULL; diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index cf9b600cca79..ca1a578d790d 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -282,10 +282,17 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, uint32_t i; uint32_t *dmc_payload; uint32_t required_version; + size_t fsize; if (!fw) return NULL; + fsize = sizeof(struct intel_css_header) + + sizeof(struct intel_package_header) + + sizeof(struct intel_dmc_header); + if (fsize > fw->size) + goto error_truncated; + /* Extract CSS Header information*/ css_header = (struct intel_css_header *)fw->data; if (sizeof(struct intel_css_header) != @@ -360,6 +367,9 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, return NULL; } readcount += dmc_offset; + fsize += dmc_offset; + if (fsize > fw->size) + goto error_truncated; /* Extract dmc_header information. */ dmc_header = (struct intel_dmc_header *)&fw->data[readcount]; @@ -391,6 +401,10 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, /* fw_size is in dwords, so multiplied by 4 to convert into bytes. */ nbytes = dmc_header->fw_size * 4; + fsize += nbytes; + if (fsize > fw->size) + goto error_truncated; + if (nbytes > CSR_MAX_FW_SIZE) { DRM_ERROR("DMC firmware too big (%u bytes)\n", nbytes); return NULL; @@ -404,6 +418,10 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, } return memcpy(dmc_payload, &fw->data[readcount], nbytes); + +error_truncated: + DRM_ERROR("Truncated DMC firmware, rejecting.\n"); + return NULL; } static void csr_load_work_fn(struct work_struct *work) diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 812fe7b06f87..1817a5c0c80f 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -925,6 +925,13 @@ static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo, return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1); } +static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo, + u8 audio_state) +{ + return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_AUDIO_STAT, + &audio_state, 1); +} + #if 0 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo) { @@ -1371,11 +1378,6 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder, else sdvox |= SDVO_PIPE_SEL(crtc->pipe); - if (crtc_state->has_audio) { - WARN_ON_ONCE(INTEL_GEN(dev_priv) < 4); - sdvox |= SDVO_AUDIO_ENABLE; - } - if (INTEL_GEN(dev_priv) >= 4) { /* done in crtc_mode_set as the dpll_md reg must be written early */ } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) || @@ -1515,8 +1517,13 @@ static void intel_sdvo_get_config(struct intel_encoder *encoder, if (sdvox & HDMI_COLOR_RANGE_16_235) pipe_config->limited_color_range = true; - if (sdvox & SDVO_AUDIO_ENABLE) - pipe_config->has_audio = true; + if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT, + &val, 1)) { + u8 mask = SDVO_AUDIO_ELD_VALID | SDVO_AUDIO_PRESENCE_DETECT; + + if ((val & mask) == mask) + pipe_config->has_audio = true; + } if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, &val, 1)) { @@ -1529,6 +1536,32 @@ static void intel_sdvo_get_config(struct intel_encoder *encoder, pipe_config->pixel_multiplier, encoder_pixel_multiplier); } +static void intel_sdvo_disable_audio(struct intel_sdvo *intel_sdvo) +{ + intel_sdvo_set_audio_state(intel_sdvo, 0); +} + +static void intel_sdvo_enable_audio(struct intel_sdvo *intel_sdvo, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + const struct drm_display_mode *adjusted_mode = + &crtc_state->base.adjusted_mode; + struct drm_connector *connector = conn_state->connector; + u8 *eld = connector->eld; + + eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2; + + intel_sdvo_set_audio_state(intel_sdvo, 0); + + intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD, + SDVO_HBUF_TX_DISABLED, + eld, drm_eld_size(eld)); + + intel_sdvo_set_audio_state(intel_sdvo, SDVO_AUDIO_ELD_VALID | + SDVO_AUDIO_PRESENCE_DETECT); +} + static void intel_disable_sdvo(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *conn_state) @@ -1538,6 +1571,9 @@ static void intel_disable_sdvo(struct intel_encoder *encoder, struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); u32 temp; + if (old_crtc_state->has_audio) + intel_sdvo_disable_audio(intel_sdvo); + intel_sdvo_set_active_outputs(intel_sdvo, 0); if (0) intel_sdvo_set_encoder_power_state(intel_sdvo, @@ -1623,6 +1659,9 @@ static void intel_enable_sdvo(struct intel_encoder *encoder, intel_sdvo_set_encoder_power_state(intel_sdvo, DRM_MODE_DPMS_ON); intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output); + + if (pipe_config->has_audio) + intel_sdvo_enable_audio(intel_sdvo, pipe_config, conn_state); } static enum drm_mode_status @@ -2514,7 +2553,6 @@ static bool intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) { struct drm_encoder *encoder = &intel_sdvo->base.base; - struct drm_i915_private *dev_priv = to_i915(encoder->dev); struct drm_connector *connector; struct intel_encoder *intel_encoder = to_intel_encoder(encoder); struct intel_connector *intel_connector; @@ -2551,9 +2589,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) encoder->encoder_type = DRM_MODE_ENCODER_TMDS; connector->connector_type = DRM_MODE_CONNECTOR_DVID; - /* gen3 doesn't do the hdmi bits in the SDVO register */ - if (INTEL_GEN(dev_priv) >= 4 && - intel_sdvo_is_hdmi_connector(intel_sdvo, device)) { + if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) { connector->connector_type = DRM_MODE_CONNECTOR_HDMIA; intel_sdvo->is_hdmi = true; } diff --git a/drivers/gpu/drm/i915/intel_sdvo_regs.h b/drivers/gpu/drm/i915/intel_sdvo_regs.h index db0ed499268a..e9ba3b047f93 100644 --- a/drivers/gpu/drm/i915/intel_sdvo_regs.h +++ b/drivers/gpu/drm/i915/intel_sdvo_regs.h @@ -707,6 +707,9 @@ struct intel_sdvo_enhancements_arg { #define SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER 0x90 #define SDVO_CMD_SET_AUDIO_STAT 0x91 #define SDVO_CMD_GET_AUDIO_STAT 0x92 + #define SDVO_AUDIO_ELD_VALID (1 << 0) + #define SDVO_AUDIO_PRESENCE_DETECT (1 << 1) + #define SDVO_AUDIO_CP_READY (1 << 2) #define SDVO_CMD_SET_HBUF_INDEX 0x93 #define SDVO_HBUF_INDEX_ELD 0 #define SDVO_HBUF_INDEX_AVI_IF 1 diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 11e2dcdd6b18..ff34f9bb55a1 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -98,14 +98,14 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, ipu_dc_disable(ipu); ipu_prg_disable(ipu); + drm_crtc_vblank_off(crtc); + spin_lock_irq(&crtc->dev->event_lock); - if (crtc->state->event) { + if (crtc->state->event && !crtc->state->active) { drm_crtc_send_vblank_event(crtc, crtc->state->event); crtc->state->event = NULL; } spin_unlock_irq(&crtc->dev->event_lock); - - drm_crtc_vblank_off(crtc); } static void imx_drm_crtc_reset(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 47ec604289b7..fd83046d8376 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -310,6 +310,7 @@ err_config_cleanup: static void mtk_drm_kms_deinit(struct drm_device *drm) { drm_kms_helper_poll_fini(drm); + drm_atomic_helper_shutdown(drm); component_unbind_all(drm->dev, drm); drm_mode_config_cleanup(drm); @@ -390,7 +391,9 @@ static void mtk_drm_unbind(struct device *dev) struct mtk_drm_private *private = dev_get_drvdata(dev); drm_dev_unregister(private->drm); + mtk_drm_kms_deinit(private->drm); drm_dev_put(private->drm); + private->num_pipes = 0; private->drm = NULL; } @@ -559,13 +562,8 @@ err_node: static int mtk_drm_remove(struct platform_device *pdev) { struct mtk_drm_private *private = platform_get_drvdata(pdev); - struct drm_device *drm = private->drm; int i; - drm_dev_unregister(drm); - mtk_drm_kms_deinit(drm); - drm_dev_put(drm); - component_master_del(&pdev->dev, &mtk_drm_ops); pm_runtime_disable(&pdev->dev); of_node_put(private->mutex_node); diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 66df1b177959..0dd317ac5fe5 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -630,6 +630,15 @@ static void mtk_dsi_poweroff(struct mtk_dsi *dsi) if (--dsi->refcount != 0) return; + /* + * mtk_dsi_stop() and mtk_dsi_start() is asymmetric, since + * mtk_dsi_stop() should be called after mtk_drm_crtc_atomic_disable(), + * which needs irq for vblank, and mtk_dsi_stop() will disable irq. + * mtk_dsi_start() needs to be called in mtk_output_dsi_enable(), + * after dsi is fully set. + */ + mtk_dsi_stop(dsi); + if (!mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500)) { if (dsi->panel) { if (drm_panel_unprepare(dsi->panel)) { @@ -696,7 +705,6 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi) } } - mtk_dsi_stop(dsi); mtk_dsi_poweroff(dsi); dsi->enabled = false; @@ -841,6 +849,8 @@ static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi) /* Skip connector cleanup if creation was delegated to the bridge */ if (dsi->conn.dev) drm_connector_cleanup(&dsi->conn); + if (dsi->panel) + drm_panel_detach(dsi->panel); } static void mtk_dsi_ddp_start(struct mtk_ddp_comp *comp) diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.h b/drivers/gpu/drm/nouveau/dispnv50/disp.h index e48c5eb35b49..66c125a6b0b3 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.h +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.h @@ -41,6 +41,7 @@ struct nv50_disp_interlock { NV50_DISP_INTERLOCK__SIZE } type; u32 data; + u32 wimm; }; void corec37d_ntfy_init(struct nouveau_bo *, u32); diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c index 4f57e5379796..d81a99bb2ac3 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/head.c +++ b/drivers/gpu/drm/nouveau/dispnv50/head.c @@ -306,7 +306,7 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) asyh->set.or = head->func->or != NULL; } - if (asyh->state.mode_changed) + if (asyh->state.mode_changed || asyh->state.connectors_changed) nv50_head_atomic_check_mode(head, asyh); if (asyh->state.color_mgmt_changed || diff --git a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c index 9103b8494279..f7dbd965e4e7 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c +++ b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c @@ -75,6 +75,7 @@ wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, return ret; } + wndw->interlock.wimm = wndw->interlock.data; wndw->immd = func; return 0; } diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c index 2187922e8dc2..b3db4553098d 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c @@ -151,7 +151,7 @@ nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock, if (asyw->set.point) { if (asyw->set.point = false, asyw->set.mask) interlock[wndw->interlock.type] |= wndw->interlock.data; - interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.data; + interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.wimm; wndw->immd->point(wndw, asyw); wndw->immd->update(wndw, interlock); diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 8edb9f2a4269..e4b977cc8452 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -169,7 +169,11 @@ nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma) struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev); if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) +#if defined(CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT) return drm_legacy_mmap(filp, vma); +#else + return -EINVAL; +#endif return ttm_bo_mmap(filp, vma, &drm->ttm.bdev); } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c index 5f301e632599..818d21bd28d3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c @@ -365,8 +365,15 @@ nvkm_dp_train(struct nvkm_dp *dp, u32 dataKBps) * and it's better to have a failed modeset than that. */ for (cfg = nvkm_dp_rates; cfg->rate; cfg++) { - if (cfg->nr <= outp_nr && cfg->nr <= outp_bw) - failsafe = cfg; + if (cfg->nr <= outp_nr && cfg->nr <= outp_bw) { + /* Try to respect sink limits too when selecting + * lowest link configuration. + */ + if (!failsafe || + (cfg->nr <= sink_nr && cfg->bw <= sink_bw)) + failsafe = cfg; + } + if (failsafe && cfg[1].rate < dataKBps) break; } diff --git a/drivers/gpu/drm/pl111/pl111_display.c b/drivers/gpu/drm/pl111/pl111_display.c index 754f6b25f265..6d9f78612dee 100644 --- a/drivers/gpu/drm/pl111/pl111_display.c +++ b/drivers/gpu/drm/pl111/pl111_display.c @@ -531,14 +531,15 @@ pl111_init_clock_divider(struct drm_device *drm) dev_err(drm->dev, "CLCD: unable to get clcdclk.\n"); return PTR_ERR(parent); } + + spin_lock_init(&priv->tim2_lock); + /* If the clock divider is broken, use the parent directly */ if (priv->variant->broken_clockdivider) { priv->clk = parent; return 0; } parent_name = __clk_get_name(parent); - - spin_lock_init(&priv->tim2_lock); div->init = &init; ret = devm_clk_hw_register(drm->dev, div); diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index ab39315c9078..39e608271263 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -818,6 +818,7 @@ static void vc4_plane_atomic_async_update(struct drm_plane *plane, drm_atomic_set_fb_for_plane(plane->state, state->fb); } + swap(plane->state->fb, state->fb); /* Set the cursor's position on the screen. This is the * expected change from the drm_mode_cursor_universal() * helper. diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 82ae68716696..05a800807c26 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -789,6 +789,9 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) if (unlikely(ret != 0)) goto out_err0; + dma_set_max_seg_size(dev->dev, min_t(unsigned int, U32_MAX & PAGE_MASK, + SCATTERLIST_MAX_SEGMENT)); + if (dev_priv->capabilities & SVGA_CAP_GMR2) { DRM_INFO("Max GMR ids is %u\n", (unsigned)dev_priv->max_gmr_ids); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index c3e2022bda5d..3834aa71c9c4 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -2493,7 +2493,8 @@ static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv, cmd = container_of(header, typeof(*cmd), header); - if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) { + if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX || + cmd->body.type < SVGA3D_SHADERTYPE_MIN) { DRM_ERROR("Illegal shader type %u.\n", (unsigned) cmd->body.type); return -EINVAL; @@ -2732,6 +2733,10 @@ static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv, if (view_type == vmw_view_max) return -EINVAL; cmd = container_of(header, typeof(*cmd), header); + if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) { + DRM_ERROR("Invalid surface id.\n"); + return -EINVAL; + } ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, user_surface_converter, &cmd->sid, &srf_node); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c index 8b9270f31409..e4e09d47c5c0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c @@ -136,6 +136,114 @@ static int vmw_close_channel(struct rpc_channel *channel) return 0; } +/** + * vmw_port_hb_out - Send the message payload either through the + * high-bandwidth port if available, or through the backdoor otherwise. + * @channel: The rpc channel. + * @msg: NULL-terminated message. + * @hb: Whether the high-bandwidth port is available. + * + * Return: The port status. + */ +static unsigned long vmw_port_hb_out(struct rpc_channel *channel, + const char *msg, bool hb) +{ + unsigned long si, di, eax, ebx, ecx, edx; + unsigned long msg_len = strlen(msg); + + if (hb) { + unsigned long bp = channel->cookie_high; + + si = (uintptr_t) msg; + di = channel->cookie_low; + + VMW_PORT_HB_OUT( + (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG, + msg_len, si, di, + VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16), + VMW_HYPERVISOR_MAGIC, bp, + eax, ebx, ecx, edx, si, di); + + return ebx; + } + + /* HB port not available. Send the message 4 bytes at a time. */ + ecx = MESSAGE_STATUS_SUCCESS << 16; + while (msg_len && (HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS)) { + unsigned int bytes = min_t(size_t, msg_len, 4); + unsigned long word = 0; + + memcpy(&word, msg, bytes); + msg_len -= bytes; + msg += bytes; + si = channel->cookie_high; + di = channel->cookie_low; + + VMW_PORT(VMW_PORT_CMD_MSG | (MSG_TYPE_SENDPAYLOAD << 16), + word, si, di, + VMW_HYPERVISOR_PORT | (channel->channel_id << 16), + VMW_HYPERVISOR_MAGIC, + eax, ebx, ecx, edx, si, di); + } + + return ecx; +} + +/** + * vmw_port_hb_in - Receive the message payload either through the + * high-bandwidth port if available, or through the backdoor otherwise. + * @channel: The rpc channel. + * @reply: Pointer to buffer holding reply. + * @reply_len: Length of the reply. + * @hb: Whether the high-bandwidth port is available. + * + * Return: The port status. + */ +static unsigned long vmw_port_hb_in(struct rpc_channel *channel, char *reply, + unsigned long reply_len, bool hb) +{ + unsigned long si, di, eax, ebx, ecx, edx; + + if (hb) { + unsigned long bp = channel->cookie_low; + + si = channel->cookie_high; + di = (uintptr_t) reply; + + VMW_PORT_HB_IN( + (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG, + reply_len, si, di, + VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16), + VMW_HYPERVISOR_MAGIC, bp, + eax, ebx, ecx, edx, si, di); + + return ebx; + } + + /* HB port not available. Retrieve the message 4 bytes at a time. */ + ecx = MESSAGE_STATUS_SUCCESS << 16; + while (reply_len) { + unsigned int bytes = min_t(unsigned long, reply_len, 4); + + si = channel->cookie_high; + di = channel->cookie_low; + + VMW_PORT(VMW_PORT_CMD_MSG | (MSG_TYPE_RECVPAYLOAD << 16), + MESSAGE_STATUS_SUCCESS, si, di, + VMW_HYPERVISOR_PORT | (channel->channel_id << 16), + VMW_HYPERVISOR_MAGIC, + eax, ebx, ecx, edx, si, di); + + if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0) + break; + + memcpy(reply, &ebx, bytes); + reply_len -= bytes; + reply += bytes; + } + + return ecx; +} /** @@ -148,11 +256,10 @@ static int vmw_close_channel(struct rpc_channel *channel) */ static int vmw_send_msg(struct rpc_channel *channel, const char *msg) { - unsigned long eax, ebx, ecx, edx, si, di, bp; + unsigned long eax, ebx, ecx, edx, si, di; size_t msg_len = strlen(msg); int retries = 0; - while (retries < RETRIES) { retries++; @@ -166,23 +273,14 @@ static int vmw_send_msg(struct rpc_channel *channel, const char *msg) VMW_HYPERVISOR_MAGIC, eax, ebx, ecx, edx, si, di); - if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0 || - (HIGH_WORD(ecx) & MESSAGE_STATUS_HB) == 0) { - /* Expected success + high-bandwidth. Give up. */ + if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0) { + /* Expected success. Give up. */ return -EINVAL; } /* Send msg */ - si = (uintptr_t) msg; - di = channel->cookie_low; - bp = channel->cookie_high; - - VMW_PORT_HB_OUT( - (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG, - msg_len, si, di, - VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16), - VMW_HYPERVISOR_MAGIC, bp, - eax, ebx, ecx, edx, si, di); + ebx = vmw_port_hb_out(channel, msg, + !!(HIGH_WORD(ecx) & MESSAGE_STATUS_HB)); if ((HIGH_WORD(ebx) & MESSAGE_STATUS_SUCCESS) != 0) { return 0; @@ -211,7 +309,7 @@ STACK_FRAME_NON_STANDARD(vmw_send_msg); static int vmw_recv_msg(struct rpc_channel *channel, void **msg, size_t *msg_len) { - unsigned long eax, ebx, ecx, edx, si, di, bp; + unsigned long eax, ebx, ecx, edx, si, di; char *reply; size_t reply_len; int retries = 0; @@ -233,8 +331,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg, VMW_HYPERVISOR_MAGIC, eax, ebx, ecx, edx, si, di); - if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0 || - (HIGH_WORD(ecx) & MESSAGE_STATUS_HB) == 0) { + if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0) { DRM_ERROR("Failed to get reply size for host message.\n"); return -EINVAL; } @@ -252,17 +349,8 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg, /* Receive buffer */ - si = channel->cookie_high; - di = (uintptr_t) reply; - bp = channel->cookie_low; - - VMW_PORT_HB_IN( - (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG, - reply_len, si, di, - VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16), - VMW_HYPERVISOR_MAGIC, bp, - eax, ebx, ecx, edx, si, di); - + ebx = vmw_port_hb_in(channel, reply, reply_len, + !!(HIGH_WORD(ecx) & MESSAGE_STATUS_HB)); if ((HIGH_WORD(ebx) & MESSAGE_STATUS_SUCCESS) == 0) { kfree(reply); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c index 31786b200afc..f388ad51e72b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c @@ -448,11 +448,11 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt) if (unlikely(ret != 0)) return ret; - ret = sg_alloc_table_from_pages(&vmw_tt->sgt, vsgt->pages, - vsgt->num_pages, 0, - (unsigned long) - vsgt->num_pages << PAGE_SHIFT, - GFP_KERNEL); + ret = __sg_alloc_table_from_pages + (&vmw_tt->sgt, vsgt->pages, vsgt->num_pages, 0, + (unsigned long) vsgt->num_pages << PAGE_SHIFT, + dma_get_max_seg_size(dev_priv->dev->dev), + GFP_KERNEL); if (unlikely(ret != 0)) goto out_sg_alloc_fail; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 97d33b8ed36c..92452992b368 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1212,6 +1212,7 @@ #define USB_DEVICE_ID_PRIMAX_KEYBOARD 0x4e05 #define USB_DEVICE_ID_PRIMAX_REZEL 0x4e72 #define USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4D0F 0x4d0f +#define USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4D65 0x4d65 #define USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4E22 0x4e22 diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 2faf5421fdd0..184e49036e1d 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -641,6 +641,13 @@ static void mt_store_field(struct hid_device *hdev, if (*target != DEFAULT_TRUE && *target != DEFAULT_FALSE && *target != DEFAULT_ZERO) { + if (usage->contactid == DEFAULT_ZERO || + usage->x == DEFAULT_ZERO || + usage->y == DEFAULT_ZERO) { + hid_dbg(hdev, + "ignoring duplicate usage on incomplete"); + return; + } usage = mt_allocate_usage(hdev, application); if (!usage) return; diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index e24790c988c0..5892f1bd037e 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -131,6 +131,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_MOUSE_4D22), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4D0F), HID_QUIRK_ALWAYS_POLL }, + { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4D65), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4E22), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS), HID_QUIRK_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001), HID_QUIRK_NOGET }, diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 5dd3a8245f0f..d7c3f4ac2c04 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1234,13 +1234,13 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) /* Add back in missing bits of ID for non-USI pens */ wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF; } - wacom->tool[0] = wacom_intuos_get_tool_type(wacom_intuos_id_mangle(wacom->id[0])); for (i = 0; i < pen_frames; i++) { unsigned char *frame = &data[i*pen_frame_len + 1]; bool valid = frame[0] & 0x80; bool prox = frame[0] & 0x40; bool range = frame[0] & 0x20; + bool invert = frame[0] & 0x10; if (!valid) continue; @@ -1249,9 +1249,24 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) wacom->shared->stylus_in_proximity = false; wacom_exit_report(wacom); input_sync(pen_input); + + wacom->tool[0] = 0; + wacom->id[0] = 0; + wacom->serial[0] = 0; return; } + if (range) { + if (!wacom->tool[0]) { /* first in range */ + /* Going into range select tool */ + if (invert) + wacom->tool[0] = BTN_TOOL_RUBBER; + else if (wacom->id[0]) + wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]); + else + wacom->tool[0] = BTN_TOOL_PEN; + } + input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1])); input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3])); @@ -1273,23 +1288,26 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) get_unaligned_le16(&frame[11])); } } - input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5])); - if (wacom->features.type == INTUOSP2_BT) { - input_report_abs(pen_input, ABS_DISTANCE, - range ? frame[13] : wacom->features.distance_max); - } else { - input_report_abs(pen_input, ABS_DISTANCE, - range ? frame[7] : wacom->features.distance_max); - } - input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x01); - input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02); - input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04); + if (wacom->tool[0]) { + input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5])); + if (wacom->features.type == INTUOSP2_BT) { + input_report_abs(pen_input, ABS_DISTANCE, + range ? frame[13] : wacom->features.distance_max); + } else { + input_report_abs(pen_input, ABS_DISTANCE, + range ? frame[7] : wacom->features.distance_max); + } - input_report_key(pen_input, wacom->tool[0], prox); - input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]); - input_report_abs(pen_input, ABS_MISC, - wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */ + input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09); + input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02); + input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04); + + input_report_key(pen_input, wacom->tool[0], prox); + input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]); + input_report_abs(pen_input, ABS_MISC, + wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */ + } wacom->shared->stylus_in_proximity = prox; @@ -1351,11 +1369,17 @@ static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom) if (wacom->num_contacts_left <= 0) { wacom->num_contacts_left = 0; wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom); + input_sync(touch_input); } } - input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7)); - input_sync(touch_input); + if (wacom->num_contacts_left == 0) { + // Be careful that we don't accidentally call input_sync with + // only a partial set of fingers of processed + input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7)); + input_sync(touch_input); + } + } static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom) @@ -1363,7 +1387,7 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom) struct input_dev *pad_input = wacom->pad_input; unsigned char *data = wacom->data; - int buttons = (data[282] << 1) | ((data[281] >> 6) & 0x01); + int buttons = data[282] | ((data[281] & 0x40) << 2); int ring = data[285] & 0x7F; bool ringstatus = data[285] & 0x80; bool prox = buttons || ringstatus; @@ -3832,7 +3856,7 @@ static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group) static bool wacom_is_led_toggled(struct wacom *wacom, int button_count, int mask, int group) { - int button_per_group; + int group_button; /* * 21UX2 has LED group 1 to the left and LED group 0 @@ -3842,9 +3866,12 @@ static bool wacom_is_led_toggled(struct wacom *wacom, int button_count, if (wacom->wacom_wac.features.type == WACOM_21UX2) group = 1 - group; - button_per_group = button_count/wacom->led.count; + group_button = group * (button_count/wacom->led.count); + + if (wacom->wacom_wac.features.type == INTUOSP2_BT) + group_button = 8; - return mask & (1 << (group * button_per_group)); + return mask & (1 << group_button); } static void wacom_update_led(struct wacom *wacom, int button_count, int mask, diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index fcdbac4a56e3..6b3559f58b67 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -619,7 +619,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, if (err) goto free_hwmon; - if (dev && chip && chip->ops->read && + if (dev && dev->of_node && chip && chip->ops->read && chip->info[0]->type == hwmon_chip && (chip->info[0]->config[0] & HWMON_C_REGISTER_TZ)) { const struct hwmon_channel_info **info = chip->info; diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 2e2b5851139c..cd24b375df1e 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -1230,7 +1230,8 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client *client, const struct pmbus_driver_info *info, const char *name, int index, int page, - const struct pmbus_sensor_attr *attr) + const struct pmbus_sensor_attr *attr, + bool paged) { struct pmbus_sensor *base; bool upper = !!(attr->gbit & 0xff00); /* need to check STATUS_WORD */ @@ -1238,7 +1239,7 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client *client, if (attr->label) { ret = pmbus_add_label(data, name, index, attr->label, - attr->paged ? page + 1 : 0); + paged ? page + 1 : 0); if (ret) return ret; } @@ -1271,6 +1272,30 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client *client, return 0; } +static bool pmbus_sensor_is_paged(const struct pmbus_driver_info *info, + const struct pmbus_sensor_attr *attr) +{ + int p; + + if (attr->paged) + return true; + + /* + * Some attributes may be present on more than one page despite + * not being marked with the paged attribute. If that is the case, + * then treat the sensor as being paged and add the page suffix to the + * attribute name. + * We don't just add the paged attribute to all such attributes, in + * order to maintain the un-suffixed labels in the case where the + * attribute is only on page 0. + */ + for (p = 1; p < info->pages; p++) { + if (info->func[p] & attr->func) + return true; + } + return false; +} + static int pmbus_add_sensor_attrs(struct i2c_client *client, struct pmbus_data *data, const char *name, @@ -1284,14 +1309,15 @@ static int pmbus_add_sensor_attrs(struct i2c_client *client, index = 1; for (i = 0; i < nattrs; i++) { int page, pages; + bool paged = pmbus_sensor_is_paged(info, attrs); - pages = attrs->paged ? info->pages : 1; + pages = paged ? info->pages : 1; for (page = 0; page < pages; page++) { if (!(info->func[page] & attrs->func)) continue; ret = pmbus_add_sensor_attrs_one(client, data, info, name, index, page, - attrs); + attrs, paged); if (ret) return ret; index++; diff --git a/drivers/i2c/busses/i2c-acorn.c b/drivers/i2c/busses/i2c-acorn.c index f4a5ae69bf6a..fa3763e4b3ee 100644 --- a/drivers/i2c/busses/i2c-acorn.c +++ b/drivers/i2c/busses/i2c-acorn.c @@ -81,6 +81,7 @@ static struct i2c_algo_bit_data ioc_data = { static struct i2c_adapter ioc_ops = { .nr = 0, + .name = "ioc", .algo_data = &ioc_data, }; diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c index de3fe6e828cb..f50afa8e3cba 100644 --- a/drivers/i2c/busses/i2c-pca-platform.c +++ b/drivers/i2c/busses/i2c-pca-platform.c @@ -21,7 +21,6 @@ #include <linux/platform_device.h> #include <linux/i2c-algo-pca.h> #include <linux/platform_data/i2c-pca-platform.h> -#include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <linux/io.h> #include <linux/of.h> @@ -173,7 +172,7 @@ static int i2c_pca_pf_probe(struct platform_device *pdev) i2c->adap.dev.parent = &pdev->dev; i2c->adap.dev.of_node = np; - i2c->gpio = devm_gpiod_get_optional(&pdev->dev, "reset-gpios", GPIOD_OUT_LOW); + i2c->gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(i2c->gpio)) return PTR_ERR(i2c->gpio); diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index ccd76c71af09..cb07651f4b46 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -283,6 +283,7 @@ static noinline int i2cdev_ioctl_rdwr(struct i2c_client *client, msgs[i].len < 1 || msgs[i].buf[0] < 1 || msgs[i].len < msgs[i].buf[0] + I2C_SMBUS_BLOCK_MAX) { + i++; res = -EINVAL; break; } diff --git a/drivers/iio/temperature/mlx90632.c b/drivers/iio/temperature/mlx90632.c index 9851311aa3fd..2d54d9cac61d 100644 --- a/drivers/iio/temperature/mlx90632.c +++ b/drivers/iio/temperature/mlx90632.c @@ -81,6 +81,8 @@ /* Magic constants */ #define MLX90632_ID_MEDICAL 0x0105 /* EEPROM DSPv5 Medical device id */ #define MLX90632_ID_CONSUMER 0x0205 /* EEPROM DSPv5 Consumer device id */ +#define MLX90632_DSP_VERSION 5 /* DSP version */ +#define MLX90632_DSP_MASK GENMASK(7, 0) /* DSP version in EE_VERSION */ #define MLX90632_RESET_CMD 0x0006 /* Reset sensor (address or global) */ #define MLX90632_REF_12 12LL /**< ResCtrlRef value of Ch 1 or Ch 2 */ #define MLX90632_REF_3 12LL /**< ResCtrlRef value of Channel 3 */ @@ -666,10 +668,13 @@ static int mlx90632_probe(struct i2c_client *client, } else if (read == MLX90632_ID_CONSUMER) { dev_dbg(&client->dev, "Detected Consumer EEPROM calibration %x\n", read); + } else if ((read & MLX90632_DSP_MASK) == MLX90632_DSP_VERSION) { + dev_dbg(&client->dev, + "Detected Unknown EEPROM calibration %x\n", read); } else { dev_err(&client->dev, - "EEPROM version mismatch %x (expected %x or %x)\n", - read, MLX90632_ID_CONSUMER, MLX90632_ID_MEDICAL); + "Wrong DSP version %x (expected %x)\n", + read, MLX90632_DSP_VERSION); return -EPROTONOSUPPORT; } diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 46b855a42884..9e5f70e7122a 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -716,22 +716,22 @@ int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid, struct rdma_dev_addr dev_addr; struct resolve_cb_context ctx; union { - struct sockaddr _sockaddr; struct sockaddr_in _sockaddr_in; struct sockaddr_in6 _sockaddr_in6; } sgid_addr, dgid_addr; int ret; - rdma_gid2ip(&sgid_addr._sockaddr, sgid); - rdma_gid2ip(&dgid_addr._sockaddr, dgid); + rdma_gid2ip((struct sockaddr *)&sgid_addr, sgid); + rdma_gid2ip((struct sockaddr *)&dgid_addr, dgid); memset(&dev_addr, 0, sizeof(dev_addr)); dev_addr.bound_dev_if = ndev->ifindex; dev_addr.net = &init_net; init_completion(&ctx.comp); - ret = rdma_resolve_ip(&sgid_addr._sockaddr, &dgid_addr._sockaddr, - &dev_addr, 1000, resolve_cb, &ctx); + ret = rdma_resolve_ip((struct sockaddr *)&sgid_addr, + (struct sockaddr *)&dgid_addr, &dev_addr, 1000, + resolve_cb, &ctx); if (ret) return ret; diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index b12c8ff8ed66..d8eb4dc04d69 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -9849,6 +9849,7 @@ void hfi1_quiet_serdes(struct hfi1_pportdata *ppd) /* disable the port */ clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); + cancel_work_sync(&ppd->freeze_work); } static inline int init_cpu_counters(struct hfi1_devdata *dd) diff --git a/drivers/infiniband/hw/hfi1/fault.c b/drivers/infiniband/hw/hfi1/fault.c index e2290f32c8d9..7eaff4dcbfd7 100644 --- a/drivers/infiniband/hw/hfi1/fault.c +++ b/drivers/infiniband/hw/hfi1/fault.c @@ -153,6 +153,7 @@ static ssize_t fault_opcodes_write(struct file *file, const char __user *buf, char *dash; unsigned long range_start, range_end, i; bool remove = false; + unsigned long bound = 1U << BITS_PER_BYTE; end = strchr(ptr, ','); if (end) @@ -178,6 +179,10 @@ static ssize_t fault_opcodes_write(struct file *file, const char __user *buf, BITS_PER_BYTE); break; } + /* Check the inputs */ + if (range_start >= bound || range_end >= bound) + break; + for (i = range_start; i <= range_end; i++) { if (remove) clear_bit(i, fault->opcodes); diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c index dbe7d14a5c76..4e986ca4dd35 100644 --- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c +++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c @@ -324,6 +324,9 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd, u32 *tidlist = NULL; struct tid_user_buf *tidbuf; + if (!PAGE_ALIGNED(tinfo->vaddr)) + return -EINVAL; + tidbuf = kzalloc(sizeof(*tidbuf), GFP_KERNEL); if (!tidbuf) return -ENOMEM; diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c index 51831bfbf90f..cbff746d9e9d 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -132,25 +132,22 @@ static int defer_packet_queue( struct hfi1_user_sdma_pkt_q *pq = container_of(wait, struct hfi1_user_sdma_pkt_q, busy); struct hfi1_ibdev *dev = &pq->dd->verbs_dev; - struct user_sdma_txreq *tx = - container_of(txreq, struct user_sdma_txreq, txreq); - if (sdma_progress(sde, seq, txreq)) { - if (tx->busycount++ < MAX_DEFER_RETRY_COUNT) - goto eagain; - } + write_seqlock(&dev->iowait_lock); + if (sdma_progress(sde, seq, txreq)) + goto eagain; /* * We are assuming that if the list is enqueued somewhere, it * is to the dmawait list since that is the only place where * it is supposed to be enqueued. */ xchg(&pq->state, SDMA_PKT_Q_DEFERRED); - write_seqlock(&dev->iowait_lock); if (list_empty(&pq->busy.list)) iowait_queue(pkts_sent, &pq->busy, &sde->dmawait); write_sequnlock(&dev->iowait_lock); return -EBUSY; eagain: + write_sequnlock(&dev->iowait_lock); return -EAGAIN; } @@ -803,7 +800,6 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts) tx->flags = 0; tx->req = req; - tx->busycount = 0; INIT_LIST_HEAD(&tx->list); /* diff --git a/drivers/infiniband/hw/hfi1/user_sdma.h b/drivers/infiniband/hw/hfi1/user_sdma.h index 91c343f91776..2c056702d975 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.h +++ b/drivers/infiniband/hw/hfi1/user_sdma.h @@ -245,7 +245,6 @@ struct user_sdma_txreq { struct list_head list; struct user_sdma_request *req; u16 flags; - unsigned int busycount; u64 seqnum; }; diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 48692adbe811..27d9c4cefdc7 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -1418,8 +1418,6 @@ static void hfi1_fill_device_attr(struct hfi1_devdata *dd) rdi->dparms.props.max_cq = hfi1_max_cqs; rdi->dparms.props.max_ah = hfi1_max_ahs; rdi->dparms.props.max_cqe = hfi1_max_cqes; - rdi->dparms.props.max_mr = rdi->lkey_table.max; - rdi->dparms.props.max_fmr = rdi->lkey_table.max; rdi->dparms.props.max_map_per_fmr = 32767; rdi->dparms.props.max_pd = hfi1_max_pds; rdi->dparms.props.max_qp_rd_atom = HFI1_MAX_RDMA_ATOMIC; diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.c b/drivers/infiniband/hw/hfi1/verbs_txreq.c index c4ab2d5b4502..8f766dd3f61c 100644 --- a/drivers/infiniband/hw/hfi1/verbs_txreq.c +++ b/drivers/infiniband/hw/hfi1/verbs_txreq.c @@ -100,7 +100,7 @@ struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev, if (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) { struct hfi1_qp_priv *priv; - tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC); + tx = kmem_cache_alloc(dev->verbs_txreq_cache, VERBS_TXREQ_GFP); if (tx) goto out; priv = qp->priv; diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.h b/drivers/infiniband/hw/hfi1/verbs_txreq.h index 1c19bbc764b2..b1a78985b4ec 100644 --- a/drivers/infiniband/hw/hfi1/verbs_txreq.h +++ b/drivers/infiniband/hw/hfi1/verbs_txreq.h @@ -72,6 +72,7 @@ struct hfi1_ibdev; struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev, struct rvt_qp *qp); +#define VERBS_TXREQ_GFP (GFP_ATOMIC | __GFP_NOWARN) static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev, struct rvt_qp *qp) __must_hold(&qp->slock) @@ -79,7 +80,7 @@ static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev, struct verbs_txreq *tx; struct hfi1_qp_priv *priv = qp->priv; - tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC); + tx = kmem_cache_alloc(dev->verbs_txreq_cache, VERBS_TXREQ_GFP); if (unlikely(!tx)) { /* call slow path to get the lock */ tx = __get_txreq(dev, qp); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index 58188fe5aed2..32aaa4ef481c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -83,7 +83,6 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, struct iphdr ipv4; const struct ib_global_route *ib_grh; union { - struct sockaddr _sockaddr; struct sockaddr_in _sockaddr_in; struct sockaddr_in6 _sockaddr_in6; } sgid_addr, dgid_addr; @@ -133,9 +132,9 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, ipv4.tot_len = htons(0); ipv4.ttl = ib_grh->hop_limit; ipv4.protocol = nxthdr; - rdma_gid2ip(&sgid_addr._sockaddr, sgid); + rdma_gid2ip((struct sockaddr *)&sgid_addr, sgid); ipv4.saddr = sgid_addr._sockaddr_in.sin_addr.s_addr; - rdma_gid2ip(&dgid_addr._sockaddr, &ib_grh->dgid); + rdma_gid2ip((struct sockaddr*)&dgid_addr, &ib_grh->dgid); ipv4.daddr = dgid_addr._sockaddr_in.sin_addr.s_addr; memcpy((u8 *)ah->av + eth_sz, &ipv4, sizeof(struct iphdr)); } else { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index e578281471af..28181f01734c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2499,7 +2499,6 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, u32 vlan_id = 0xFFFF; u8 mac_addr[6], hdr_type; union { - struct sockaddr _sockaddr; struct sockaddr_in _sockaddr_in; struct sockaddr_in6 _sockaddr_in6; } sgid_addr, dgid_addr; @@ -2541,8 +2540,8 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, hdr_type = rdma_gid_attr_network_type(sgid_attr); if (hdr_type == RDMA_NETWORK_IPV4) { - rdma_gid2ip(&sgid_addr._sockaddr, &sgid_attr->gid); - rdma_gid2ip(&dgid_addr._sockaddr, &grh->dgid); + rdma_gid2ip((struct sockaddr *)&sgid_addr, &sgid_attr->gid); + rdma_gid2ip((struct sockaddr *)&dgid_addr, &grh->dgid); memcpy(&cmd->params.dgid[0], &dgid_addr._sockaddr_in.sin_addr.s_addr, 4); memcpy(&cmd->params.sgid[0], diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index 41babbc0db58..803c3544c75b 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1495,8 +1495,6 @@ static void qib_fill_device_attr(struct qib_devdata *dd) rdi->dparms.props.max_cq = ib_qib_max_cqs; rdi->dparms.props.max_cqe = ib_qib_max_cqes; rdi->dparms.props.max_ah = ib_qib_max_ahs; - rdi->dparms.props.max_mr = rdi->lkey_table.max; - rdi->dparms.props.max_fmr = rdi->lkey_table.max; rdi->dparms.props.max_map_per_fmr = 32767; rdi->dparms.props.max_qp_rd_atom = QIB_MAX_RDMA_ATOMIC; rdi->dparms.props.max_qp_init_rd_atom = 255; diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c index 5819c9d6ffdc..39d101df229d 100644 --- a/drivers/infiniband/sw/rdmavt/mr.c +++ b/drivers/infiniband/sw/rdmavt/mr.c @@ -96,6 +96,8 @@ int rvt_driver_mr_init(struct rvt_dev_info *rdi) for (i = 0; i < rdi->lkey_table.max; i++) RCU_INIT_POINTER(rdi->lkey_table.table[i], NULL); + rdi->dparms.props.max_mr = rdi->lkey_table.max; + rdi->dparms.props.max_fmr = rdi->lkey_table.max; return 0; } diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 5ce403c6cddb..7d03680afd91 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -412,7 +412,8 @@ static int alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, offset = qpt->incr | ((offset & 1) ^ 1); } /* there can be no set bits in low-order QoS bits */ - WARN_ON(offset & (BIT(rdi->dparms.qos_shift) - 1)); + WARN_ON(rdi->dparms.qos_shift > 1 && + offset & ((BIT(rdi->dparms.qos_shift - 1) - 1) << 1)); qpn = mk_qpn(qpt, map, offset); } diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c index 539cb670de41..ae9c51cc85f9 100644 --- a/drivers/input/keyboard/imx_keypad.c +++ b/drivers/input/keyboard/imx_keypad.c @@ -526,11 +526,12 @@ static int imx_keypad_probe(struct platform_device *pdev) return 0; } -static int __maybe_unused imx_kbd_suspend(struct device *dev) +static int __maybe_unused imx_kbd_noirq_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct imx_keypad *kbd = platform_get_drvdata(pdev); struct input_dev *input_dev = kbd->input_dev; + unsigned short reg_val = readw(kbd->mmio_base + KPSR); /* imx kbd can wake up system even clock is disabled */ mutex_lock(&input_dev->mutex); @@ -540,13 +541,20 @@ static int __maybe_unused imx_kbd_suspend(struct device *dev) mutex_unlock(&input_dev->mutex); - if (device_may_wakeup(&pdev->dev)) + if (device_may_wakeup(&pdev->dev)) { + if (reg_val & KBD_STAT_KPKD) + reg_val |= KBD_STAT_KRIE; + if (reg_val & KBD_STAT_KPKR) + reg_val |= KBD_STAT_KDIE; + writew(reg_val, kbd->mmio_base + KPSR); + enable_irq_wake(kbd->irq); + } return 0; } -static int __maybe_unused imx_kbd_resume(struct device *dev) +static int __maybe_unused imx_kbd_noirq_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct imx_keypad *kbd = platform_get_drvdata(pdev); @@ -570,7 +578,9 @@ err_clk: return ret; } -static SIMPLE_DEV_PM_OPS(imx_kbd_pm_ops, imx_kbd_suspend, imx_kbd_resume); +static const struct dev_pm_ops imx_kbd_pm_ops = { + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(imx_kbd_noirq_suspend, imx_kbd_noirq_resume) +}; static struct platform_driver imx_keypad_driver = { .driver = { diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 26ec603fe220..83d1499fe021 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -1051,13 +1051,31 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg) #ifdef CONFIG_COMPAT -#define UI_SET_PHYS_COMPAT _IOW(UINPUT_IOCTL_BASE, 108, compat_uptr_t) +/* + * These IOCTLs change their size and thus their numbers between + * 32 and 64 bits. + */ +#define UI_SET_PHYS_COMPAT \ + _IOW(UINPUT_IOCTL_BASE, 108, compat_uptr_t) +#define UI_BEGIN_FF_UPLOAD_COMPAT \ + _IOWR(UINPUT_IOCTL_BASE, 200, struct uinput_ff_upload_compat) +#define UI_END_FF_UPLOAD_COMPAT \ + _IOW(UINPUT_IOCTL_BASE, 201, struct uinput_ff_upload_compat) static long uinput_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - if (cmd == UI_SET_PHYS_COMPAT) + switch (cmd) { + case UI_SET_PHYS_COMPAT: cmd = UI_SET_PHYS; + break; + case UI_BEGIN_FF_UPLOAD_COMPAT: + cmd = UI_BEGIN_FF_UPLOAD; + break; + case UI_END_FF_UPLOAD_COMPAT: + cmd = UI_END_FF_UPLOAD; + break; + } return uinput_ioctl_handler(file, cmd, arg, compat_ptr(arg)); } diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index a7f8b1614559..530142b5a115 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1189,6 +1189,8 @@ static const char * const middle_button_pnp_ids[] = { "LEN2132", /* ThinkPad P52 */ "LEN2133", /* ThinkPad P72 w/ NFC */ "LEN2134", /* ThinkPad P72 */ + "LEN0407", + "LEN0408", NULL }; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index b6da0c1267e3..8e6077d8e434 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -179,6 +179,8 @@ static const char * const smbus_pnp_ids[] = { "LEN0096", /* X280 */ "LEN0097", /* X280 -> ALPS trackpoint */ "LEN200f", /* T450s */ + "LEN2054", /* E480 */ + "LEN2055", /* E580 */ "SYN3052", /* HP EliteBook 840 G4 */ "SYN3221", /* HP 15-ay000 */ NULL diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index d196ac3d8b8c..e5c3b066bd2a 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -604,6 +604,7 @@ static const struct acpi_device_id silead_ts_acpi_match[] = { { "MSSL1680", 0 }, { "MSSL0001", 0 }, { "MSSL0002", 0 }, + { "MSSL0017", 0 }, { } }; MODULE_DEVICE_TABLE(acpi, silead_ts_acpi_match); diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 9ae3678844eb..40fbf20d69e5 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -2414,13 +2414,9 @@ static int arm_smmu_device_reset(struct arm_smmu_device *smmu, bool bypass) /* Clear CR0 and sync (disables SMMU and queue processing) */ reg = readl_relaxed(smmu->base + ARM_SMMU_CR0); if (reg & CR0_SMMUEN) { - if (is_kdump_kernel()) { - arm_smmu_update_gbpa(smmu, GBPA_ABORT, 0); - arm_smmu_device_disable(smmu); - return -EBUSY; - } - dev_warn(smmu->dev, "SMMU currently enabled! Resetting...\n"); + WARN_ON(is_kdump_kernel() && !disable_bypass); + arm_smmu_update_gbpa(smmu, GBPA_ABORT, 0); } ret = arm_smmu_device_disable(smmu); @@ -2513,6 +2509,8 @@ static int arm_smmu_device_reset(struct arm_smmu_device *smmu, bool bypass) return ret; } + if (is_kdump_kernel()) + enables &= ~(CR0_EVTQEN | CR0_PRIQEN); /* Enable the SMMU interface, or ensure bypass */ if (!bypass || disable_bypass) { diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index ce119cb279c3..0c3b8f1c7225 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -56,6 +56,15 @@ #include "io-pgtable.h" #include "arm-smmu-regs.h" +/* + * Apparently, some Qualcomm arm64 platforms which appear to expose their SMMU + * global register space are still, in fact, using a hypervisor to mediate it + * by trapping and emulating register accesses. Sadly, some deployed versions + * of said trapping code have bugs wherein they go horribly wrong for stores + * using r31 (i.e. XZR/WZR) as the source register. + */ +#define QCOM_DUMMY_VAL -1 + #define ARM_MMU500_ACTLR_CPRE (1 << 1) #define ARM_MMU500_ACR_CACHE_LOCK (1 << 26) @@ -398,7 +407,7 @@ static void __arm_smmu_tlb_sync(struct arm_smmu_device *smmu, { unsigned int spin_cnt, delay; - writel_relaxed(0, sync); + writel_relaxed(QCOM_DUMMY_VAL, sync); for (delay = 1; delay < TLB_LOOP_TIMEOUT; delay *= 2) { for (spin_cnt = TLB_SPIN_COUNT; spin_cnt > 0; spin_cnt--) { if (!(readl_relaxed(status) & sTLBGSTATUS_GSACTIVE)) @@ -1637,8 +1646,8 @@ static void arm_smmu_device_reset(struct arm_smmu_device *smmu) } /* Invalidate the TLB, just in case */ - writel_relaxed(0, gr0_base + ARM_SMMU_GR0_TLBIALLH); - writel_relaxed(0, gr0_base + ARM_SMMU_GR0_TLBIALLNSNH); + writel_relaxed(QCOM_DUMMY_VAL, gr0_base + ARM_SMMU_GR0_TLBIALLH); + writel_relaxed(QCOM_DUMMY_VAL, gr0_base + ARM_SMMU_GR0_TLBIALLNSNH); reg = readl_relaxed(ARM_SMMU_GR0_NS(smmu) + ARM_SMMU_GR0_sCR0); diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 603bf5233a99..c1439019dd12 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4033,9 +4033,7 @@ static void __init init_no_remapping_devices(void) /* This IOMMU has *only* gfx devices. Either bypass it or set the gfx_mapped flag, as appropriate */ - if (dmar_map_gfx) { - intel_iommu_gfx_mapped = 1; - } else { + if (!dmar_map_gfx) { drhd->ignored = 1; for_each_active_dev_scope(drhd->devices, drhd->devices_cnt, i, dev) @@ -4831,6 +4829,9 @@ int __init intel_iommu_init(void) goto out_free_reserved_range; } + if (dmar_map_gfx) + intel_iommu_gfx_mapped = 1; + init_no_remapping_devices(); ret = init_dmars(); diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index d32268cc1174..f3985469c221 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -388,7 +388,7 @@ static void gic_all_vpes_irq_cpu_online(struct irq_data *d) intr = GIC_HWIRQ_TO_LOCAL(d->hwirq); cd = irq_data_get_irq_chip_data(d); - write_gic_vl_map(intr, cd->map); + write_gic_vl_map(mips_gic_vx_map_reg(intr), cd->map); if (cd->mask) write_gic_vl_smask(BIT(intr)); } @@ -517,7 +517,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, spin_lock_irqsave(&gic_lock, flags); for_each_online_cpu(cpu) { write_gic_vl_other(mips_cm_vp_id(cpu)); - write_gic_vo_map(intr, map); + write_gic_vo_map(mips_gic_vx_map_reg(intr), map); } spin_unlock_irqrestore(&gic_lock, flags); diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index b2abc44fa5cb..a73337b74f41 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -394,7 +394,7 @@ data_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) memcpy(di.channelmap, dev->channelmap, sizeof(di.channelmap)); di.nrbchan = dev->nrbchan; - strcpy(di.name, dev_name(&dev->dev)); + strscpy(di.name, dev_name(&dev->dev), sizeof(di.name)); if (copy_to_user((void __user *)arg, &di, sizeof(di))) err = -EFAULT; } else @@ -677,7 +677,7 @@ base_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) memcpy(di.channelmap, dev->channelmap, sizeof(di.channelmap)); di.nrbchan = dev->nrbchan; - strcpy(di.name, dev_name(&dev->dev)); + strscpy(di.name, dev_name(&dev->dev), sizeof(di.name)); if (copy_to_user((void __user *)arg, &di, sizeof(di))) err = -EFAULT; } else @@ -691,6 +691,7 @@ base_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) err = -EFAULT; break; } + dn.name[sizeof(dn.name) - 1] = '\0'; dev = get_mdevice(dn.id); if (dev) err = device_rename(&dev->dev, dn.name); diff --git a/drivers/mailbox/stm32-ipcc.c b/drivers/mailbox/stm32-ipcc.c index 533b0da5235d..ca1f993c0de3 100644 --- a/drivers/mailbox/stm32-ipcc.c +++ b/drivers/mailbox/stm32-ipcc.c @@ -8,9 +8,9 @@ #include <linux/bitfield.h> #include <linux/clk.h> #include <linux/interrupt.h> +#include <linux/io.h> #include <linux/mailbox_controller.h> #include <linux/module.h> -#include <linux/of_irq.h> #include <linux/platform_device.h> #include <linux/pm_wakeirq.h> @@ -240,9 +240,11 @@ static int stm32_ipcc_probe(struct platform_device *pdev) /* irq */ for (i = 0; i < IPCC_IRQ_NUM; i++) { - ipcc->irqs[i] = of_irq_get_byname(dev->of_node, irq_name[i]); + ipcc->irqs[i] = platform_get_irq_byname(pdev, irq_name[i]); if (ipcc->irqs[i] < 0) { - dev_err(dev, "no IRQ specified %s\n", irq_name[i]); + if (ipcc->irqs[i] != -EPROBE_DEFER) + dev_err(dev, "no IRQ specified %s\n", + irq_name[i]); ret = ipcc->irqs[i]; goto err_clk; } @@ -263,9 +265,10 @@ static int stm32_ipcc_probe(struct platform_device *pdev) /* wakeup */ if (of_property_read_bool(np, "wakeup-source")) { - ipcc->wkp = of_irq_get_byname(dev->of_node, "wakeup"); + ipcc->wkp = platform_get_irq_byname(pdev, "wakeup"); if (ipcc->wkp < 0) { - dev_err(dev, "could not get wakeup IRQ\n"); + if (ipcc->wkp != -EPROBE_DEFER) + dev_err(dev, "could not get wakeup IRQ\n"); ret = ipcc->wkp; goto err_clk; } diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 8f07fa6e1739..268f1b685084 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -887,12 +887,22 @@ unsigned int bch_btree_insert_key(struct btree_keys *b, struct bkey *k, struct bset *i = bset_tree_last(b)->data; struct bkey *m, *prev = NULL; struct btree_iter iter; + struct bkey preceding_key_on_stack = ZERO_KEY; + struct bkey *preceding_key_p = &preceding_key_on_stack; BUG_ON(b->ops->is_extents && !KEY_SIZE(k)); - m = bch_btree_iter_init(b, &iter, b->ops->is_extents - ? PRECEDING_KEY(&START_KEY(k)) - : PRECEDING_KEY(k)); + /* + * If k has preceding key, preceding_key_p will be set to address + * of k's preceding key; otherwise preceding_key_p will be set + * to NULL inside preceding_key(). + */ + if (b->ops->is_extents) + preceding_key(&START_KEY(k), &preceding_key_p); + else + preceding_key(k, &preceding_key_p); + + m = bch_btree_iter_init(b, &iter, preceding_key_p); if (b->ops->insert_fixup(b, k, &iter, replace_key)) return status; diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index bac76aabca6d..c71365e7c1fa 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -434,20 +434,26 @@ static inline bool bch_cut_back(const struct bkey *where, struct bkey *k) return __bch_cut_back(where, k); } -#define PRECEDING_KEY(_k) \ -({ \ - struct bkey *_ret = NULL; \ - \ - if (KEY_INODE(_k) || KEY_OFFSET(_k)) { \ - _ret = &KEY(KEY_INODE(_k), KEY_OFFSET(_k), 0); \ - \ - if (!_ret->low) \ - _ret->high--; \ - _ret->low--; \ - } \ - \ - _ret; \ -}) +/* + * Pointer '*preceding_key_p' points to a memory object to store preceding + * key of k. If the preceding key does not exist, set '*preceding_key_p' to + * NULL. So the caller of preceding_key() needs to take care of memory + * which '*preceding_key_p' pointed to before calling preceding_key(). + * Currently the only caller of preceding_key() is bch_btree_insert_key(), + * and it points to an on-stack variable, so the memory release is handled + * by stackframe itself. + */ +static inline void preceding_key(struct bkey *k, struct bkey **preceding_key_p) +{ + if (KEY_INODE(k) || KEY_OFFSET(k)) { + (**preceding_key_p) = KEY(KEY_INODE(k), KEY_OFFSET(k), 0); + if (!(*preceding_key_p)->low) + (*preceding_key_p)->high--; + (*preceding_key_p)->low--; + } else { + (*preceding_key_p) = NULL; + } +} static inline bool bch_ptr_invalid(struct btree_keys *b, const struct bkey *k) { diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index d9481640b3e1..541454b4f479 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -393,8 +393,13 @@ STORE(bch_cached_dev) if (attr == &sysfs_writeback_running) bch_writeback_queue(dc); + /* + * Only set BCACHE_DEV_WB_RUNNING when cached device attached to + * a cache set, otherwise it doesn't make sense. + */ if (attr == &sysfs_writeback_percent) - if (!test_and_set_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags)) + if ((dc->disk.c != NULL) && + (!test_and_set_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags))) schedule_delayed_work(&dc->writeback_rate_update, dc->writeback_rate_update_seconds * HZ); diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 9ea2b0291f20..e549392e0ea5 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -60,6 +60,7 @@ #define WRITE_LOG_VERSION 1ULL #define WRITE_LOG_MAGIC 0x6a736677736872ULL +#define WRITE_LOG_SUPER_SECTOR 0 /* * The disk format for this is braindead simple. @@ -115,6 +116,7 @@ struct log_writes_c { struct list_head logging_blocks; wait_queue_head_t wait; struct task_struct *log_kthread; + struct completion super_done; }; struct pending_block { @@ -180,6 +182,14 @@ static void log_end_io(struct bio *bio) bio_put(bio); } +static void log_end_super(struct bio *bio) +{ + struct log_writes_c *lc = bio->bi_private; + + complete(&lc->super_done); + log_end_io(bio); +} + /* * Meant to be called if there is an error, it will free all the pages * associated with the block. @@ -215,7 +225,8 @@ static int write_metadata(struct log_writes_c *lc, void *entry, bio->bi_iter.bi_size = 0; bio->bi_iter.bi_sector = sector; bio_set_dev(bio, lc->logdev->bdev); - bio->bi_end_io = log_end_io; + bio->bi_end_io = (sector == WRITE_LOG_SUPER_SECTOR) ? + log_end_super : log_end_io; bio->bi_private = lc; bio_set_op_attrs(bio, REQ_OP_WRITE, 0); @@ -418,11 +429,18 @@ static int log_super(struct log_writes_c *lc) super.nr_entries = cpu_to_le64(lc->logged_entries); super.sectorsize = cpu_to_le32(lc->sectorsize); - if (write_metadata(lc, &super, sizeof(super), NULL, 0, 0)) { + if (write_metadata(lc, &super, sizeof(super), NULL, 0, + WRITE_LOG_SUPER_SECTOR)) { DMERR("Couldn't write super"); return -1; } + /* + * Super sector should be writen in-order, otherwise the + * nr_entries could be rewritten incorrectly by an old bio. + */ + wait_for_completion_io(&lc->super_done); + return 0; } @@ -531,6 +549,7 @@ static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv) INIT_LIST_HEAD(&lc->unflushed_blocks); INIT_LIST_HEAD(&lc->logging_blocks); init_waitqueue_head(&lc->wait); + init_completion(&lc->super_done); atomic_set(&lc->io_blocks, 0); atomic_set(&lc->pending_blocks, 0); diff --git a/drivers/md/md.c b/drivers/md/md.c index b924f62e2cd5..fb5d702e43b5 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7625,9 +7625,9 @@ static void status_unused(struct seq_file *seq) static int status_resync(struct seq_file *seq, struct mddev *mddev) { sector_t max_sectors, resync, res; - unsigned long dt, db; - sector_t rt; - int scale; + unsigned long dt, db = 0; + sector_t rt, curr_mark_cnt, resync_mark_cnt; + int scale, recovery_active; unsigned int per_milli; if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) || @@ -7716,22 +7716,30 @@ static int status_resync(struct seq_file *seq, struct mddev *mddev) * db: blocks written from mark until now * rt: remaining time * - * rt is a sector_t, so could be 32bit or 64bit. - * So we divide before multiply in case it is 32bit and close - * to the limit. - * We scale the divisor (db) by 32 to avoid losing precision - * near the end of resync when the number of remaining sectors - * is close to 'db'. - * We then divide rt by 32 after multiplying by db to compensate. - * The '+1' avoids division by zero if db is very small. + * rt is a sector_t, which is always 64bit now. We are keeping + * the original algorithm, but it is not really necessary. + * + * Original algorithm: + * So we divide before multiply in case it is 32bit and close + * to the limit. + * We scale the divisor (db) by 32 to avoid losing precision + * near the end of resync when the number of remaining sectors + * is close to 'db'. + * We then divide rt by 32 after multiplying by db to compensate. + * The '+1' avoids division by zero if db is very small. */ dt = ((jiffies - mddev->resync_mark) / HZ); if (!dt) dt++; - db = (mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active)) - - mddev->resync_mark_cnt; + + curr_mark_cnt = mddev->curr_mark_cnt; + recovery_active = atomic_read(&mddev->recovery_active); + resync_mark_cnt = mddev->resync_mark_cnt; + + if (curr_mark_cnt >= (recovery_active + resync_mark_cnt)) + db = curr_mark_cnt - (recovery_active + resync_mark_cnt); rt = max_sectors - resync; /* number of remaining sectors */ - sector_div(rt, db/32+1); + rt = div64_u64(rt, db/32+1); rt *= dt; rt >>= 5; diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index ac1cffd2a09b..f4daa56d204d 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -547,6 +547,7 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) trace_block_bio_remap(bdev_get_queue(rdev->bdev), discard_bio, disk_devt(mddev->gendisk), bio->bi_iter.bi_sector); + bio_clear_flag(bio, BIO_QUEUE_ENTERED); generic_make_request(discard_bio); } bio_endio(bio); @@ -602,6 +603,7 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) disk_devt(mddev->gendisk), bio_sector); mddev_check_writesame(mddev, bio); mddev_check_write_zeroes(mddev, bio); + bio_clear_flag(bio, BIO_QUEUE_ENTERED); generic_make_request(bio); return true; } diff --git a/drivers/media/dvb-frontends/stv0297.c b/drivers/media/dvb-frontends/stv0297.c index 9a9915f71483..3ef31a3a27ff 100644 --- a/drivers/media/dvb-frontends/stv0297.c +++ b/drivers/media/dvb-frontends/stv0297.c @@ -694,7 +694,7 @@ static const struct dvb_frontend_ops stv0297_ops = { .delsys = { SYS_DVBC_ANNEX_A }, .info = { .name = "ST STV0297 DVB-C", - .frequency_min_hz = 470 * MHz, + .frequency_min_hz = 47 * MHz, .frequency_max_hz = 862 * MHz, .frequency_stepsize_hz = 62500, .symbol_rate_min = 870000, diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 927a1235408d..ca11f8a7569d 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -1089,7 +1089,6 @@ static struct device *s5p_mfc_alloc_memdev(struct device *dev, device_initialize(child); dev_set_name(child, "%s:%s", dev_name(dev), name); child->parent = dev; - child->bus = dev->bus; child->coherent_dma_mask = dev->coherent_dma_mask; child->dma_mask = dev->dma_mask; child->release = s5p_mfc_memdev_release; diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c index 50bffc3382d7..ff3fba16e735 100644 --- a/drivers/mfd/intel-lpss.c +++ b/drivers/mfd/intel-lpss.c @@ -273,6 +273,9 @@ static void intel_lpss_init_dev(const struct intel_lpss *lpss) { u32 value = LPSS_PRIV_SSP_REG_DIS_DMA_FIN; + /* Set the device in reset state */ + writel(0, lpss->priv + LPSS_PRIV_RESETS); + intel_lpss_deassert_reset(lpss); intel_lpss_set_remap_addr(lpss); diff --git a/drivers/mfd/tps65912-spi.c b/drivers/mfd/tps65912-spi.c index 3bd75061f777..f78be039e463 100644 --- a/drivers/mfd/tps65912-spi.c +++ b/drivers/mfd/tps65912-spi.c @@ -27,6 +27,7 @@ static const struct of_device_id tps65912_spi_of_match_table[] = { { .compatible = "ti,tps65912", }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, tps65912_spi_of_match_table); static int tps65912_spi_probe(struct spi_device *spi) { diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c index dd19f17a1b63..2b8c479dbfa6 100644 --- a/drivers/mfd/twl6040.c +++ b/drivers/mfd/twl6040.c @@ -322,8 +322,19 @@ int twl6040_power(struct twl6040 *twl6040, int on) } } + /* + * Register access can produce errors after power-up unless we + * wait at least 8ms based on measurements on duovero. + */ + usleep_range(10000, 12000); + /* Sync with the HW */ - regcache_sync(twl6040->regmap); + ret = regcache_sync(twl6040->regmap); + if (ret) { + dev_err(twl6040->dev, "Failed to sync with the HW: %i\n", + ret); + goto out; + } /* Default PLL configuration after power up */ twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL; diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 94836fcbe721..ddfcf4ade7bf 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -106,23 +106,6 @@ static unsigned int at24_write_timeout = 25; module_param_named(write_timeout, at24_write_timeout, uint, 0); MODULE_PARM_DESC(at24_write_timeout, "Time (in ms) to try writes (default 25)"); -/* - * Both reads and writes fail if the previous write didn't complete yet. This - * macro loops a few times waiting at least long enough for one entire page - * write to work while making sure that at least one iteration is run before - * checking the break condition. - * - * It takes two parameters: a variable in which the future timeout in jiffies - * will be stored and a temporary variable holding the time of the last - * iteration of processing the request. Both should be unsigned integers - * holding at least 32 bits. - */ -#define at24_loop_until_timeout(tout, op_time) \ - for (tout = jiffies + msecs_to_jiffies(at24_write_timeout), \ - op_time = 0; \ - op_time ? time_before(op_time, tout) : true; \ - usleep_range(1000, 1500), op_time = jiffies) - struct at24_chip_data { /* * these fields mirror their equivalents in @@ -311,13 +294,22 @@ static ssize_t at24_regmap_read(struct at24_data *at24, char *buf, /* adjust offset for mac and serial read ops */ offset += at24->offset_adj; - at24_loop_until_timeout(timeout, read_time) { + timeout = jiffies + msecs_to_jiffies(at24_write_timeout); + do { + /* + * The timestamp shall be taken before the actual operation + * to avoid a premature timeout in case of high CPU load. + */ + read_time = jiffies; + ret = regmap_bulk_read(regmap, offset, buf, count); dev_dbg(&client->dev, "read %zu@%d --> %d (%ld)\n", count, offset, ret, jiffies); if (!ret) return count; - } + + usleep_range(1000, 1500); + } while (time_before(read_time, timeout)); return -ETIMEDOUT; } @@ -361,14 +353,23 @@ static ssize_t at24_regmap_write(struct at24_data *at24, const char *buf, regmap = at24_client->regmap; client = at24_client->client; count = at24_adjust_write_count(at24, offset, count); + timeout = jiffies + msecs_to_jiffies(at24_write_timeout); + + do { + /* + * The timestamp shall be taken before the actual operation + * to avoid a premature timeout in case of high CPU load. + */ + write_time = jiffies; - at24_loop_until_timeout(timeout, write_time) { ret = regmap_bulk_write(regmap, offset, buf, count); dev_dbg(&client->dev, "write %zu@%d --> %d (%ld)\n", count, offset, ret, jiffies); if (!ret) return count; - } + + usleep_range(1000, 1500); + } while (time_before(write_time, timeout)); return -ETIMEDOUT; } diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c index 6193270e7b3d..eb4d90b7d99e 100644 --- a/drivers/misc/kgdbts.c +++ b/drivers/misc/kgdbts.c @@ -1139,7 +1139,7 @@ static void kgdbts_put_char(u8 chr) static int param_set_kgdbts_var(const char *kmessage, const struct kernel_param *kp) { - int len = strlen(kmessage); + size_t len = strlen(kmessage); if (len >= MAX_CONFIG_LEN) { printk(KERN_ERR "kgdbts: config string too long\n"); @@ -1159,7 +1159,7 @@ static int param_set_kgdbts_var(const char *kmessage, strcpy(config, kmessage); /* Chop out \n char as a result of echo */ - if (config[len - 1] == '\n') + if (len && config[len - 1] == '\n') config[len - 1] = '\0'; /* Go and configure with the new params. */ diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile index 3370a4138e94..cce47a15a79f 100644 --- a/drivers/misc/lkdtm/Makefile +++ b/drivers/misc/lkdtm/Makefile @@ -13,8 +13,7 @@ KCOV_INSTRUMENT_rodata.o := n OBJCOPYFLAGS := OBJCOPYFLAGS_rodata_objcopy.o := \ - --set-section-flags .text=alloc,readonly \ - --rename-section .text=.rodata + --rename-section .text=.rodata,alloc,readonly,load targets += rodata.o rodata_objcopy.o $(obj)/rodata_objcopy.o: $(obj)/rodata.o FORCE $(call if_changed,objcopy) diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c index 896e2df9400f..fd33a3b9c66f 100644 --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -662,6 +662,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev, data = (struct pci_endpoint_test_data *)ent->driver_data; if (data) { test_reg_bar = data->test_reg_bar; + test->test_reg_bar = test_reg_bar; test->alignment = data->alignment; irq_type = data->irq_type; } diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/vmci_context.c index 21d0fa592145..bc089e634a75 100644 --- a/drivers/misc/vmw_vmci/vmci_context.c +++ b/drivers/misc/vmw_vmci/vmci_context.c @@ -29,6 +29,9 @@ #include "vmci_driver.h" #include "vmci_event.h" +/* Use a wide upper bound for the maximum contexts. */ +#define VMCI_MAX_CONTEXTS 2000 + /* * List of current VMCI contexts. Contexts can be added by * vmci_ctx_create() and removed via vmci_ctx_destroy(). @@ -125,19 +128,22 @@ struct vmci_ctx *vmci_ctx_create(u32 cid, u32 priv_flags, /* Initialize host-specific VMCI context. */ init_waitqueue_head(&context->host_context.wait_queue); - context->queue_pair_array = vmci_handle_arr_create(0); + context->queue_pair_array = + vmci_handle_arr_create(0, VMCI_MAX_GUEST_QP_COUNT); if (!context->queue_pair_array) { error = -ENOMEM; goto err_free_ctx; } - context->doorbell_array = vmci_handle_arr_create(0); + context->doorbell_array = + vmci_handle_arr_create(0, VMCI_MAX_GUEST_DOORBELL_COUNT); if (!context->doorbell_array) { error = -ENOMEM; goto err_free_qp_array; } - context->pending_doorbell_array = vmci_handle_arr_create(0); + context->pending_doorbell_array = + vmci_handle_arr_create(0, VMCI_MAX_GUEST_DOORBELL_COUNT); if (!context->pending_doorbell_array) { error = -ENOMEM; goto err_free_db_array; @@ -212,7 +218,7 @@ static int ctx_fire_notification(u32 context_id, u32 priv_flags) * We create an array to hold the subscribers we find when * scanning through all contexts. */ - subscriber_array = vmci_handle_arr_create(0); + subscriber_array = vmci_handle_arr_create(0, VMCI_MAX_CONTEXTS); if (subscriber_array == NULL) return VMCI_ERROR_NO_MEM; @@ -631,20 +637,26 @@ int vmci_ctx_add_notification(u32 context_id, u32 remote_cid) spin_lock(&context->lock); - list_for_each_entry(n, &context->notifier_list, node) { - if (vmci_handle_is_equal(n->handle, notifier->handle)) { - exists = true; - break; + if (context->n_notifiers < VMCI_MAX_CONTEXTS) { + list_for_each_entry(n, &context->notifier_list, node) { + if (vmci_handle_is_equal(n->handle, notifier->handle)) { + exists = true; + break; + } } - } - if (exists) { - kfree(notifier); - result = VMCI_ERROR_ALREADY_EXISTS; + if (exists) { + kfree(notifier); + result = VMCI_ERROR_ALREADY_EXISTS; + } else { + list_add_tail_rcu(¬ifier->node, + &context->notifier_list); + context->n_notifiers++; + result = VMCI_SUCCESS; + } } else { - list_add_tail_rcu(¬ifier->node, &context->notifier_list); - context->n_notifiers++; - result = VMCI_SUCCESS; + kfree(notifier); + result = VMCI_ERROR_NO_MEM; } spin_unlock(&context->lock); @@ -729,8 +741,7 @@ static int vmci_ctx_get_chkpt_doorbells(struct vmci_ctx *context, u32 *buf_size, void **pbuf) { struct dbell_cpt_state *dbells; - size_t n_doorbells; - int i; + u32 i, n_doorbells; n_doorbells = vmci_handle_arr_get_size(context->doorbell_array); if (n_doorbells > 0) { @@ -868,7 +879,8 @@ int vmci_ctx_rcv_notifications_get(u32 context_id, spin_lock(&context->lock); *db_handle_array = context->pending_doorbell_array; - context->pending_doorbell_array = vmci_handle_arr_create(0); + context->pending_doorbell_array = + vmci_handle_arr_create(0, VMCI_MAX_GUEST_DOORBELL_COUNT); if (!context->pending_doorbell_array) { context->pending_doorbell_array = *db_handle_array; *db_handle_array = NULL; @@ -950,12 +962,11 @@ int vmci_ctx_dbell_create(u32 context_id, struct vmci_handle handle) return VMCI_ERROR_NOT_FOUND; spin_lock(&context->lock); - if (!vmci_handle_arr_has_entry(context->doorbell_array, handle)) { - vmci_handle_arr_append_entry(&context->doorbell_array, handle); - result = VMCI_SUCCESS; - } else { + if (!vmci_handle_arr_has_entry(context->doorbell_array, handle)) + result = vmci_handle_arr_append_entry(&context->doorbell_array, + handle); + else result = VMCI_ERROR_DUPLICATE_ENTRY; - } spin_unlock(&context->lock); vmci_ctx_put(context); @@ -1091,15 +1102,16 @@ int vmci_ctx_notify_dbell(u32 src_cid, if (!vmci_handle_arr_has_entry( dst_context->pending_doorbell_array, handle)) { - vmci_handle_arr_append_entry( + result = vmci_handle_arr_append_entry( &dst_context->pending_doorbell_array, handle); - - ctx_signal_notify(dst_context); - wake_up(&dst_context->host_context.wait_queue); - + if (result == VMCI_SUCCESS) { + ctx_signal_notify(dst_context); + wake_up(&dst_context->host_context.wait_queue); + } + } else { + result = VMCI_SUCCESS; } - result = VMCI_SUCCESS; } spin_unlock(&dst_context->lock); } @@ -1126,13 +1138,11 @@ int vmci_ctx_qp_create(struct vmci_ctx *context, struct vmci_handle handle) if (context == NULL || vmci_handle_is_invalid(handle)) return VMCI_ERROR_INVALID_ARGS; - if (!vmci_handle_arr_has_entry(context->queue_pair_array, handle)) { - vmci_handle_arr_append_entry(&context->queue_pair_array, - handle); - result = VMCI_SUCCESS; - } else { + if (!vmci_handle_arr_has_entry(context->queue_pair_array, handle)) + result = vmci_handle_arr_append_entry( + &context->queue_pair_array, handle); + else result = VMCI_ERROR_DUPLICATE_ENTRY; - } return result; } diff --git a/drivers/misc/vmw_vmci/vmci_handle_array.c b/drivers/misc/vmw_vmci/vmci_handle_array.c index 344973a0fb0a..917e18a8af95 100644 --- a/drivers/misc/vmw_vmci/vmci_handle_array.c +++ b/drivers/misc/vmw_vmci/vmci_handle_array.c @@ -16,24 +16,29 @@ #include <linux/slab.h> #include "vmci_handle_array.h" -static size_t handle_arr_calc_size(size_t capacity) +static size_t handle_arr_calc_size(u32 capacity) { - return sizeof(struct vmci_handle_arr) + + return VMCI_HANDLE_ARRAY_HEADER_SIZE + capacity * sizeof(struct vmci_handle); } -struct vmci_handle_arr *vmci_handle_arr_create(size_t capacity) +struct vmci_handle_arr *vmci_handle_arr_create(u32 capacity, u32 max_capacity) { struct vmci_handle_arr *array; + if (max_capacity == 0 || capacity > max_capacity) + return NULL; + if (capacity == 0) - capacity = VMCI_HANDLE_ARRAY_DEFAULT_SIZE; + capacity = min((u32)VMCI_HANDLE_ARRAY_DEFAULT_CAPACITY, + max_capacity); array = kmalloc(handle_arr_calc_size(capacity), GFP_ATOMIC); if (!array) return NULL; array->capacity = capacity; + array->max_capacity = max_capacity; array->size = 0; return array; @@ -44,27 +49,34 @@ void vmci_handle_arr_destroy(struct vmci_handle_arr *array) kfree(array); } -void vmci_handle_arr_append_entry(struct vmci_handle_arr **array_ptr, - struct vmci_handle handle) +int vmci_handle_arr_append_entry(struct vmci_handle_arr **array_ptr, + struct vmci_handle handle) { struct vmci_handle_arr *array = *array_ptr; if (unlikely(array->size >= array->capacity)) { /* reallocate. */ struct vmci_handle_arr *new_array; - size_t new_capacity = array->capacity * VMCI_ARR_CAP_MULT; - size_t new_size = handle_arr_calc_size(new_capacity); + u32 capacity_bump = min(array->max_capacity - array->capacity, + array->capacity); + size_t new_size = handle_arr_calc_size(array->capacity + + capacity_bump); + + if (array->size >= array->max_capacity) + return VMCI_ERROR_NO_MEM; new_array = krealloc(array, new_size, GFP_ATOMIC); if (!new_array) - return; + return VMCI_ERROR_NO_MEM; - new_array->capacity = new_capacity; + new_array->capacity += capacity_bump; *array_ptr = array = new_array; } array->entries[array->size] = handle; array->size++; + + return VMCI_SUCCESS; } /* @@ -74,7 +86,7 @@ struct vmci_handle vmci_handle_arr_remove_entry(struct vmci_handle_arr *array, struct vmci_handle entry_handle) { struct vmci_handle handle = VMCI_INVALID_HANDLE; - size_t i; + u32 i; for (i = 0; i < array->size; i++) { if (vmci_handle_is_equal(array->entries[i], entry_handle)) { @@ -109,7 +121,7 @@ struct vmci_handle vmci_handle_arr_remove_tail(struct vmci_handle_arr *array) * Handle at given index, VMCI_INVALID_HANDLE if invalid index. */ struct vmci_handle -vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, size_t index) +vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, u32 index) { if (unlikely(index >= array->size)) return VMCI_INVALID_HANDLE; @@ -120,7 +132,7 @@ vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, size_t index) bool vmci_handle_arr_has_entry(const struct vmci_handle_arr *array, struct vmci_handle entry_handle) { - size_t i; + u32 i; for (i = 0; i < array->size; i++) if (vmci_handle_is_equal(array->entries[i], entry_handle)) diff --git a/drivers/misc/vmw_vmci/vmci_handle_array.h b/drivers/misc/vmw_vmci/vmci_handle_array.h index b5f3a7f98cf1..0fc58597820e 100644 --- a/drivers/misc/vmw_vmci/vmci_handle_array.h +++ b/drivers/misc/vmw_vmci/vmci_handle_array.h @@ -17,32 +17,41 @@ #define _VMCI_HANDLE_ARRAY_H_ #include <linux/vmw_vmci_defs.h> +#include <linux/limits.h> #include <linux/types.h> -#define VMCI_HANDLE_ARRAY_DEFAULT_SIZE 4 -#define VMCI_ARR_CAP_MULT 2 /* Array capacity multiplier */ - struct vmci_handle_arr { - size_t capacity; - size_t size; + u32 capacity; + u32 max_capacity; + u32 size; + u32 pad; struct vmci_handle entries[]; }; -struct vmci_handle_arr *vmci_handle_arr_create(size_t capacity); +#define VMCI_HANDLE_ARRAY_HEADER_SIZE \ + offsetof(struct vmci_handle_arr, entries) +/* Select a default capacity that results in a 64 byte sized array */ +#define VMCI_HANDLE_ARRAY_DEFAULT_CAPACITY 6 +/* Make sure that the max array size can be expressed by a u32 */ +#define VMCI_HANDLE_ARRAY_MAX_CAPACITY \ + ((U32_MAX - VMCI_HANDLE_ARRAY_HEADER_SIZE - 1) / \ + sizeof(struct vmci_handle)) + +struct vmci_handle_arr *vmci_handle_arr_create(u32 capacity, u32 max_capacity); void vmci_handle_arr_destroy(struct vmci_handle_arr *array); -void vmci_handle_arr_append_entry(struct vmci_handle_arr **array_ptr, - struct vmci_handle handle); +int vmci_handle_arr_append_entry(struct vmci_handle_arr **array_ptr, + struct vmci_handle handle); struct vmci_handle vmci_handle_arr_remove_entry(struct vmci_handle_arr *array, struct vmci_handle entry_handle); struct vmci_handle vmci_handle_arr_remove_tail(struct vmci_handle_arr *array); struct vmci_handle -vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, size_t index); +vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, u32 index); bool vmci_handle_arr_has_entry(const struct vmci_handle_arr *array, struct vmci_handle entry_handle); struct vmci_handle *vmci_handle_arr_get_handles(struct vmci_handle_arr *array); -static inline size_t vmci_handle_arr_get_size( +static inline u32 vmci_handle_arr_get_size( const struct vmci_handle_arr *array) { return array->size; diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 6600b3466dfb..0a74785e575b 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -144,8 +144,9 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) int err = cmd->error; /* Flag re-tuning needed on CRC errors */ - if ((cmd->opcode != MMC_SEND_TUNING_BLOCK && - cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200) && + if (cmd->opcode != MMC_SEND_TUNING_BLOCK && + cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200 && + !host->retune_crc_disable && (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) || (mrq->data && mrq->data->error == -EILSEQ) || (mrq->stop && mrq->stop->error == -EILSEQ))) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 55997cf84b39..f1fe446eee66 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1209,13 +1209,13 @@ static int mmc_select_hs400(struct mmc_card *card) mmc_set_timing(host, MMC_TIMING_MMC_HS400); mmc_set_bus_speed(card); + if (host->ops->hs400_complete) + host->ops->hs400_complete(host); + err = mmc_switch_status(card); if (err) goto out_err; - if (host->ops->hs400_complete) - host->ops->hs400_complete(host); - return 0; out_err: diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index d8e17ea6126d..0aa99694b937 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -934,6 +934,10 @@ static int mmc_sdio_pre_suspend(struct mmc_host *host) */ static int mmc_sdio_suspend(struct mmc_host *host) { + /* Prevent processing of SDIO IRQs in suspended state. */ + mmc_card_set_suspended(host->card); + cancel_delayed_work_sync(&host->sdio_irq_work); + mmc_claim_host(host); if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host)) @@ -982,13 +986,20 @@ static int mmc_sdio_resume(struct mmc_host *host) err = sdio_enable_4bit_bus(host->card); } - if (!err && host->sdio_irqs) { + if (err) + goto out; + + /* Allow SDIO IRQs to be processed again. */ + mmc_card_clr_suspended(host->card); + + if (host->sdio_irqs) { if (!(host->caps2 & MMC_CAP2_SDIO_IRQ_NOTHREAD)) wake_up_process(host->sdio_irq_thread); else if (host->caps & MMC_CAP_SDIO_IRQ) host->ops->enable_sdio_irq(host, 1); } +out: mmc_release_host(host); host->pm_flags &= ~MMC_PM_KEEP_POWER; diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c index d40744bbafa9..ed2d8c48ea17 100644 --- a/drivers/mmc/core/sdio_io.c +++ b/drivers/mmc/core/sdio_io.c @@ -18,6 +18,7 @@ #include "sdio_ops.h" #include "core.h" #include "card.h" +#include "host.h" /** * sdio_claim_host - exclusively claim a bus for a certain SDIO function @@ -725,3 +726,79 @@ int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags) return 0; } EXPORT_SYMBOL_GPL(sdio_set_host_pm_flags); + +/** + * sdio_retune_crc_disable - temporarily disable retuning on CRC errors + * @func: SDIO function attached to host + * + * If the SDIO card is known to be in a state where it might produce + * CRC errors on the bus in response to commands (like if we know it is + * transitioning between power states), an SDIO function driver can + * call this function to temporarily disable the SD/MMC core behavior of + * triggering an automatic retuning. + * + * This function should be called while the host is claimed and the host + * should remain claimed until sdio_retune_crc_enable() is called. + * Specifically, the expected sequence of calls is: + * - sdio_claim_host() + * - sdio_retune_crc_disable() + * - some number of calls like sdio_writeb() and sdio_readb() + * - sdio_retune_crc_enable() + * - sdio_release_host() + */ +void sdio_retune_crc_disable(struct sdio_func *func) +{ + func->card->host->retune_crc_disable = true; +} +EXPORT_SYMBOL_GPL(sdio_retune_crc_disable); + +/** + * sdio_retune_crc_enable - re-enable retuning on CRC errors + * @func: SDIO function attached to host + * + * This is the compement to sdio_retune_crc_disable(). + */ +void sdio_retune_crc_enable(struct sdio_func *func) +{ + func->card->host->retune_crc_disable = false; +} +EXPORT_SYMBOL_GPL(sdio_retune_crc_enable); + +/** + * sdio_retune_hold_now - start deferring retuning requests till release + * @func: SDIO function attached to host + * + * This function can be called if it's currently a bad time to do + * a retune of the SDIO card. Retune requests made during this time + * will be held and we'll actually do the retune sometime after the + * release. + * + * This function could be useful if an SDIO card is in a power state + * where it can respond to a small subset of commands that doesn't + * include the retuning command. Care should be taken when using + * this function since (presumably) the retuning request we might be + * deferring was made for a good reason. + * + * This function should be called while the host is claimed. + */ +void sdio_retune_hold_now(struct sdio_func *func) +{ + mmc_retune_hold_now(func->card->host); +} +EXPORT_SYMBOL_GPL(sdio_retune_hold_now); + +/** + * sdio_retune_release - signal that it's OK to retune now + * @func: SDIO function attached to host + * + * This is the complement to sdio_retune_hold_now(). Calling this + * function won't make a retune happen right away but will allow + * them to be scheduled normally. + * + * This function should be called while the host is claimed. + */ +void sdio_retune_release(struct sdio_func *func) +{ + mmc_retune_release(func->card->host); +} +EXPORT_SYMBOL_GPL(sdio_retune_release); diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index 7ca7b99413f0..b299a24d33f9 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -38,6 +38,10 @@ static int process_sdio_pending_irqs(struct mmc_host *host) unsigned char pending; struct sdio_func *func; + /* Don't process SDIO IRQs if the card is suspended. */ + if (mmc_card_suspended(card)) + return 0; + /* * Optimization, if there is only 1 function interrupt registered * and we know an IRQ was signaled then call irq handler directly. diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 1841d250e9e2..eb1a65cb878f 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -1295,9 +1295,10 @@ static irqreturn_t mmci_irq(int irq, void *dev_id) } /* - * Don't poll for busy completion in irq context. + * Busy detection has been handled by mmci_cmd_irq() above. + * Clear the status bit to prevent polling in IRQ context. */ - if (host->variant->busy_detect && host->busy_status) + if (host->variant->busy_detect_flag) status &= ~host->variant->busy_detect_flag; ret = 1; diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c index cc3ffeffd7a2..fa8d9da2ab7f 100644 --- a/drivers/mmc/host/sdhci-pci-o2micro.c +++ b/drivers/mmc/host/sdhci-pci-o2micro.c @@ -117,6 +117,7 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, u32 opcode) */ if (mmc->ios.bus_width == MMC_BUS_WIDTH_8) { current_bus_width = mmc->ios.bus_width; + mmc->ios.bus_width = MMC_BUS_WIDTH_4; sdhci_set_bus_width(host, MMC_BUS_WIDTH_4); } @@ -128,8 +129,10 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, u32 opcode) sdhci_end_tuning(host); - if (current_bus_width == MMC_BUS_WIDTH_8) + if (current_bus_width == MMC_BUS_WIDTH_8) { + mmc->ios.bus_width = MMC_BUS_WIDTH_8; sdhci_set_bus_width(host, current_bus_width); + } host->flags &= ~SDHCI_HS400_TUNING; return 0; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 039beb5e0fa2..7e162fff01ab 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4307,12 +4307,12 @@ void bond_setup(struct net_device *bond_dev) bond_dev->features |= NETIF_F_NETNS_LOCAL; bond_dev->hw_features = BOND_VLAN_FEATURES | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4; bond_dev->features |= bond_dev->hw_features; + bond_dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; } /* Destroy a bonding device. diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 2646faffd36e..6f265d2e647b 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -165,7 +165,7 @@ #define FLEXCAN_MB_CNT_LENGTH(x) (((x) & 0xf) << 16) #define FLEXCAN_MB_CNT_TIMESTAMP(x) ((x) & 0xffff) -#define FLEXCAN_TIMEOUT_US (50) +#define FLEXCAN_TIMEOUT_US (250) /* FLEXCAN hardware feature flags * diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 9b449400376b..deb274a19ba0 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -822,6 +822,27 @@ static int m_can_poll(struct napi_struct *napi, int quota) if (!irqstatus) goto end; + /* Errata workaround for issue "Needless activation of MRAF irq" + * During frame reception while the MCAN is in Error Passive state + * and the Receive Error Counter has the value MCAN_ECR.REC = 127, + * it may happen that MCAN_IR.MRAF is set although there was no + * Message RAM access failure. + * If MCAN_IR.MRAF is enabled, an interrupt to the Host CPU is generated + * The Message RAM Access Failure interrupt routine needs to check + * whether MCAN_ECR.RP = ’1’ and MCAN_ECR.REC = 127. + * In this case, reset MCAN_IR.MRAF. No further action is required. + */ + if ((priv->version <= 31) && (irqstatus & IR_MRAF) && + (m_can_read(priv, M_CAN_ECR) & ECR_RP)) { + struct can_berr_counter bec; + + __m_can_get_berr_counter(dev, &bec); + if (bec.rxerr == 127) { + m_can_write(priv, M_CAN_IR, IR_MRAF); + irqstatus &= ~IR_MRAF; + } + } + psr = m_can_read(priv, M_CAN_PSR); if (irqstatus & IR_ERR_STATE) work_done += m_can_handle_state_errors(dev, psr); diff --git a/drivers/net/can/spi/Kconfig b/drivers/net/can/spi/Kconfig index 8f2e0dd7b756..792e9c6c4a2f 100644 --- a/drivers/net/can/spi/Kconfig +++ b/drivers/net/can/spi/Kconfig @@ -8,9 +8,10 @@ config CAN_HI311X Driver for the Holt HI311x SPI CAN controllers. config CAN_MCP251X - tristate "Microchip MCP251x SPI CAN controllers" + tristate "Microchip MCP251x and MCP25625 SPI CAN controllers" depends on HAS_DMA ---help--- - Driver for the Microchip MCP251x SPI CAN controllers. + Driver for the Microchip MCP251x and MCP25625 SPI CAN + controllers. endmenu diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index e90817608645..da64e71a62ee 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -1,5 +1,5 @@ /* - * CAN bus driver for Microchip 251x CAN Controller with SPI Interface + * CAN bus driver for Microchip 251x/25625 CAN Controller with SPI Interface * * MCP2510 support and bug fixes by Christian Pellegrin * <chripell@evolware.org> @@ -41,7 +41,7 @@ * static struct spi_board_info spi_board_info[] = { * { * .modalias = "mcp2510", - * // or "mcp2515" depending on your controller + * // "mcp2515" or "mcp25625" depending on your controller * .platform_data = &mcp251x_info, * .irq = IRQ_EINT13, * .max_speed_hz = 2*1000*1000, @@ -238,6 +238,7 @@ static const struct can_bittiming_const mcp251x_bittiming_const = { enum mcp251x_model { CAN_MCP251X_MCP2510 = 0x2510, CAN_MCP251X_MCP2515 = 0x2515, + CAN_MCP251X_MCP25625 = 0x25625, }; struct mcp251x_priv { @@ -280,7 +281,6 @@ static inline int mcp251x_is_##_model(struct spi_device *spi) \ } MCP251X_IS(2510); -MCP251X_IS(2515); static void mcp251x_clean(struct net_device *net) { @@ -639,7 +639,7 @@ static int mcp251x_hw_reset(struct spi_device *spi) /* Wait for oscillator startup timer after reset */ mdelay(MCP251X_OST_DELAY_MS); - + reg = mcp251x_read_reg(spi, CANSTAT); if ((reg & CANCTRL_REQOP_MASK) != CANCTRL_REQOP_CONF) return -ENODEV; @@ -820,9 +820,8 @@ static irqreturn_t mcp251x_can_ist(int irq, void *dev_id) /* receive buffer 0 */ if (intf & CANINTF_RX0IF) { mcp251x_hw_rx(spi, 0); - /* - * Free one buffer ASAP - * (The MCP2515 does this automatically.) + /* Free one buffer ASAP + * (The MCP2515/25625 does this automatically.) */ if (mcp251x_is_2510(spi)) mcp251x_write_bits(spi, CANINTF, CANINTF_RX0IF, 0x00); @@ -831,7 +830,7 @@ static irqreturn_t mcp251x_can_ist(int irq, void *dev_id) /* receive buffer 1 */ if (intf & CANINTF_RX1IF) { mcp251x_hw_rx(spi, 1); - /* the MCP2515 does this automatically */ + /* The MCP2515/25625 does this automatically. */ if (mcp251x_is_2510(spi)) clear_intf |= CANINTF_RX1IF; } @@ -1006,6 +1005,10 @@ static const struct of_device_id mcp251x_of_match[] = { .compatible = "microchip,mcp2515", .data = (void *)CAN_MCP251X_MCP2515, }, + { + .compatible = "microchip,mcp25625", + .data = (void *)CAN_MCP251X_MCP25625, + }, { } }; MODULE_DEVICE_TABLE(of, mcp251x_of_match); @@ -1019,6 +1022,10 @@ static const struct spi_device_id mcp251x_id_table[] = { .name = "mcp2515", .driver_data = (kernel_ulong_t)CAN_MCP251X_MCP2515, }, + { + .name = "mcp25625", + .driver_data = (kernel_ulong_t)CAN_MCP251X_MCP25625, + }, { } }; MODULE_DEVICE_TABLE(spi, mcp251x_id_table); @@ -1259,5 +1266,5 @@ module_spi_driver(mcp251x_can_driver); MODULE_AUTHOR("Chris Elston <celston@katalix.com>, " "Christian Pellegrin <chripell@evolware.org>"); -MODULE_DESCRIPTION("Microchip 251x CAN driver"); +MODULE_DESCRIPTION("Microchip 251x/25625 CAN driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index 045f0845e665..3df23487487f 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -1424,7 +1424,7 @@ static const struct xcan_devtype_data xcan_canfd_data = { XCAN_FLAG_RXMNF | XCAN_FLAG_TX_MAILBOXES | XCAN_FLAG_RX_FIFO_MULTI, - .bittiming_const = &xcan_bittiming_const, + .bittiming_const = &xcan_bittiming_const_canfd, .btr_ts2_shift = XCAN_BTR_TS2_SHIFT_CANFD, .btr_sjw_shift = XCAN_BTR_SJW_SHIFT_CANFD, .bus_clk_name = "s_axi_aclk", diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index dfaad1c2c2b8..411cfb806459 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1484,7 +1484,7 @@ static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid, int err; if (!vid) - return -EINVAL; + return -EOPNOTSUPP; entry->vid = vid - 1; entry->valid = false; diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c index 058326924f3e..7a6667e0b9f9 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c @@ -419,7 +419,7 @@ int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip, * VTU DBNum[7:4] are located in VTU Operation 11:8 */ op |= entry->fid & 0x000f; - op |= (entry->fid & 0x00f0) << 8; + op |= (entry->fid & 0x00f0) << 4; } return mv88e6xxx_g1_vtu_op(chip, op); diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c index 6dedd43442cc..35b767baf21f 100644 --- a/drivers/net/dsa/rtl8366.c +++ b/drivers/net/dsa/rtl8366.c @@ -307,7 +307,8 @@ int rtl8366_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering) struct rtl8366_vlan_4k vlan4k; int ret; - if (!smi->ops->is_vlan_valid(smi, port)) + /* Use VLAN nr port + 1 since VLAN0 is not valid */ + if (!smi->ops->is_vlan_valid(smi, port + 1)) return -EINVAL; dev_info(smi->dev, "%s filtering on port %d\n", @@ -318,12 +319,12 @@ int rtl8366_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering) * The hardware support filter ID (FID) 0..7, I have no clue how to * support this in the driver when the callback only says on/off. */ - ret = smi->ops->get_vlan_4k(smi, port, &vlan4k); + ret = smi->ops->get_vlan_4k(smi, port + 1, &vlan4k); if (ret) return ret; /* Just set the filter to FID 1 for now then */ - ret = rtl8366_set_vlan(smi, port, + ret = rtl8366_set_vlan(smi, port + 1, vlan4k.member, vlan4k.untag, 1); diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index f2f0264c58ba..443b34e2725f 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -49,7 +49,7 @@ config XSURF100 tristate "Amiga XSurf 100 AX88796/NE2000 clone support" depends on ZORRO select AX88796 - select ASIX_PHY + select AX88796B_PHY help This driver is for the Individual Computers X-Surf 100 Ethernet card (based on the Asix AX88796 chip). If you have such a card, diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 6f3312350cac..b3c7994d73eb 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -139,10 +139,10 @@ void aq_ring_queue_stop(struct aq_ring_s *ring) bool aq_ring_tx_clean(struct aq_ring_s *self) { struct device *dev = aq_nic_get_dev(self->aq_nic); - unsigned int budget = AQ_CFG_TX_CLEAN_BUDGET; + unsigned int budget; - for (; self->sw_head != self->hw_head && budget--; - self->sw_head = aq_ring_next_dx(self, self->sw_head)) { + for (budget = AQ_CFG_TX_CLEAN_BUDGET; + budget && self->sw_head != self->hw_head; budget--) { struct aq_ring_buff_s *buff = &self->buff_ring[self->sw_head]; if (likely(buff->is_mapped)) { @@ -167,6 +167,7 @@ bool aq_ring_tx_clean(struct aq_ring_s *self) buff->pa = 0U; buff->eop_index = 0xffffU; + self->sw_head = aq_ring_next_dx(self, self->sw_head); } return !!budget; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c index 56363ff5c891..51cd1f98bcf0 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c @@ -695,38 +695,41 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self, if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) { /* MAC error or DMA error */ buff->is_error = 1U; - } else { - if (self->aq_nic_cfg->is_rss) { - /* last 4 byte */ - u16 rss_type = rxd_wb->type & 0xFU; - - if (rss_type && rss_type < 0x8U) { - buff->is_hash_l4 = (rss_type == 0x4 || - rss_type == 0x5); - buff->rss_hash = rxd_wb->rss_hash; - } + } + if (self->aq_nic_cfg->is_rss) { + /* last 4 byte */ + u16 rss_type = rxd_wb->type & 0xFU; + + if (rss_type && rss_type < 0x8U) { + buff->is_hash_l4 = (rss_type == 0x4 || + rss_type == 0x5); + buff->rss_hash = rxd_wb->rss_hash; } + } - if (HW_ATL_B0_RXD_WB_STAT2_EOP & rxd_wb->status) { - buff->len = rxd_wb->pkt_len % - AQ_CFG_RX_FRAME_MAX; - buff->len = buff->len ? - buff->len : AQ_CFG_RX_FRAME_MAX; - buff->next = 0U; - buff->is_eop = 1U; + if (HW_ATL_B0_RXD_WB_STAT2_EOP & rxd_wb->status) { + buff->len = rxd_wb->pkt_len % + AQ_CFG_RX_FRAME_MAX; + buff->len = buff->len ? + buff->len : AQ_CFG_RX_FRAME_MAX; + buff->next = 0U; + buff->is_eop = 1U; + } else { + buff->len = + rxd_wb->pkt_len > AQ_CFG_RX_FRAME_MAX ? + AQ_CFG_RX_FRAME_MAX : rxd_wb->pkt_len; + + if (HW_ATL_B0_RXD_WB_STAT2_RSCCNT & + rxd_wb->status) { + /* LRO */ + buff->next = rxd_wb->next_desc_ptr; + ++ring->stats.rx.lro_packets; } else { - if (HW_ATL_B0_RXD_WB_STAT2_RSCCNT & - rxd_wb->status) { - /* LRO */ - buff->next = rxd_wb->next_desc_ptr; - ++ring->stats.rx.lro_packets; - } else { - /* jumbo */ - buff->next = - aq_ring_next_dx(ring, - ring->hw_head); - ++ring->stats.rx.jumbo_packets; - } + /* jumbo */ + buff->next = + aq_ring_next_dx(ring, + ring->hw_head); + ++ring->stats.rx.jumbo_packets; } } } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index a4a90b6cdb46..c428b0655c26 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -1581,7 +1581,8 @@ static int bnx2x_get_module_info(struct net_device *dev, } if (!sff8472_comp || - (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) { + (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ) || + !(diag_type & SFP_EEPROM_DDM_IMPLEMENTED)) { modinfo->type = ETH_MODULE_SFF_8079; modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; } else { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h index b7d251108c19..7115f5025664 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h @@ -62,6 +62,7 @@ #define SFP_EEPROM_DIAG_TYPE_ADDR 0x5c #define SFP_EEPROM_DIAG_TYPE_SIZE 1 #define SFP_EEPROM_DIAG_ADDR_CHANGE_REQ (1<<2) +#define SFP_EEPROM_DDM_IMPLEMENTED (1<<6) #define SFP_EEPROM_SFF_8472_COMP_ADDR 0x5e #define SFP_EEPROM_SFF_8472_COMP_SIZE 1 diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c index 8093c5eafea2..781814835a4f 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_core.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c @@ -985,7 +985,7 @@ static void liquidio_schedule_droq_pkt_handlers(struct octeon_device *oct) if (droq->ops.poll_mode) { droq->ops.napi_fn(droq); - oct_priv->napi_mask |= (1 << oq_no); + oct_priv->napi_mask |= BIT_ULL(oq_no); } else { tasklet_schedule(&oct_priv->droq_tasklet); } diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c index 66535d1653f6..f16853c3c851 100644 --- a/drivers/net/ethernet/dec/tulip/de4x5.c +++ b/drivers/net/ethernet/dec/tulip/de4x5.c @@ -2107,7 +2107,6 @@ static struct eisa_driver de4x5_eisa_driver = { .remove = de4x5_eisa_remove, } }; -MODULE_DEVICE_TABLE(eisa, de4x5_eisa_ids); #endif #ifdef CONFIG_PCI diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c index 3f6749fc889f..bfb16a474490 100644 --- a/drivers/net/ethernet/emulex/benet/be_ethtool.c +++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c @@ -1105,7 +1105,7 @@ static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); break; case ETHTOOL_GRXRINGS: - cmd->data = adapter->num_rx_qs - 1; + cmd->data = adapter->num_rx_qs; break; default: return -EINVAL; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index fdff5526d2e8..f2b0b587a1be 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -2777,7 +2777,7 @@ static void set_promisc_tcam_enable(struct dsaf_device *dsaf_dev, u32 port) struct hns_mac_cb *mac_cb; u8 addr[ETH_ALEN] = {0}; u8 port_num; - u16 mskid; + int mskid; /* promisc use vague table match with vlanid = 0 & macaddr = 0 */ hns_dsaf_set_mac_key(dsaf_dev, &mac_key, 0x00, port, addr); @@ -3149,6 +3149,9 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset) dsaf_set_bit(credit, DSAF_SBM_ROCEE_CFG_CRD_EN_B, 1); dsaf_write_dev(dsaf_dev, DSAF_SBM_ROCEE_CFG_REG_REG, credit); } + + put_device(&pdev->dev); + return 0; } EXPORT_SYMBOL(hns_dsaf_roce_reset); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index e2710ff48fb0..1fa0cd527ead 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -339,6 +339,7 @@ static int __lb_setup(struct net_device *ndev, static int __lb_up(struct net_device *ndev, enum hnae_loop loop_mode) { +#define NIC_LB_TEST_WAIT_PHY_LINK_TIME 300 struct hns_nic_priv *priv = netdev_priv(ndev); struct hnae_handle *h = priv->ae_handle; int speed, duplex; @@ -365,6 +366,9 @@ static int __lb_up(struct net_device *ndev, h->dev->ops->adjust_link(h, speed, duplex); + /* wait adjust link done and phy ready */ + msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME); + return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 340baf6a470c..4648c6a9d9e8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -4300,8 +4300,11 @@ int hclge_add_uc_addr_common(struct hclge_vport *vport, return hclge_add_mac_vlan_tbl(vport, &req, NULL); /* check if we just hit the duplicate */ - if (!ret) - ret = -EINVAL; + if (!ret) { + dev_warn(&hdev->pdev->dev, "VF %d mac(%pM) exists\n", + vport->vport_id, addr); + return 0; + } dev_err(&hdev->pdev->dev, "PF failed to add unicast entry(%pM) in the MAC table\n", diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 426789e2c23d..0ae43d27cdcf 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -438,9 +438,10 @@ static int reset_rx_pools(struct ibmvnic_adapter *adapter) if (rx_pool->buff_size != be64_to_cpu(size_array[i])) { free_long_term_buff(adapter, &rx_pool->long_term_buff); rx_pool->buff_size = be64_to_cpu(size_array[i]); - alloc_long_term_buff(adapter, &rx_pool->long_term_buff, - rx_pool->size * - rx_pool->buff_size); + rc = alloc_long_term_buff(adapter, + &rx_pool->long_term_buff, + rx_pool->size * + rx_pool->buff_size); } else { rc = reset_long_term_buff(adapter, &rx_pool->long_term_buff); @@ -706,9 +707,9 @@ static int init_tx_pools(struct net_device *netdev) return rc; } - init_one_tx_pool(netdev, &adapter->tso_pool[i], - IBMVNIC_TSO_BUFS, - IBMVNIC_TSO_BUF_SZ); + rc = init_one_tx_pool(netdev, &adapter->tso_pool[i], + IBMVNIC_TSO_BUFS, + IBMVNIC_TSO_BUF_SZ); if (rc) { release_tx_pools(adapter); return rc; @@ -1754,7 +1755,8 @@ static int do_reset(struct ibmvnic_adapter *adapter, ibmvnic_cleanup(netdev); - if (adapter->reset_reason != VNIC_RESET_MOBILITY && + if (reset_state == VNIC_OPEN && + adapter->reset_reason != VNIC_RESET_MOBILITY && adapter->reset_reason != VNIC_RESET_FAILOVER) { rc = __ibmvnic_close(netdev); if (rc) @@ -1853,6 +1855,9 @@ static int do_reset(struct ibmvnic_adapter *adapter, return 0; } + /* refresh device's multicast list */ + ibmvnic_set_multi(netdev); + /* kick napi */ for (i = 0; i < adapter->req_rx_queues; i++) napi_schedule(&adapter->napi[i]); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index df8808cd7e11..4e04985fb430 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6758,10 +6758,12 @@ static int i40e_setup_tc(struct net_device *netdev, void *type_data) struct i40e_pf *pf = vsi->back; u8 enabled_tc = 0, num_tc, hw; bool need_reset = false; + int old_queue_pairs; int ret = -EINVAL; u16 mode; int i; + old_queue_pairs = vsi->num_queue_pairs; num_tc = mqprio_qopt->qopt.num_tc; hw = mqprio_qopt->qopt.hw; mode = mqprio_qopt->mode; @@ -6862,6 +6864,7 @@ config_tc: } ret = i40e_configure_queue_channels(vsi); if (ret) { + vsi->num_queue_pairs = old_queue_pairs; netdev_info(netdev, "Failed configuring queue channels\n"); need_reset = true; diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index db1543bca701..875f97aba6e0 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -652,6 +652,9 @@ void ice_print_link_msg(struct ice_vsi *vsi, bool isup) case ICE_FC_RX_PAUSE: fc = "RX"; break; + case ICE_FC_NONE: + fc = "None"; + break; default: fc = "Unknown"; break; diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c index 392fd895f278..ae2240074d8e 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c @@ -1905,8 +1905,7 @@ static int mvpp2_prs_ip6_init(struct mvpp2 *priv) } /* Find tcam entry with matched pair <vid,port> */ -static int mvpp2_prs_vid_range_find(struct mvpp2 *priv, int pmap, u16 vid, - u16 mask) +static int mvpp2_prs_vid_range_find(struct mvpp2_port *port, u16 vid, u16 mask) { unsigned char byte[2], enable[2]; struct mvpp2_prs_entry pe; @@ -1914,13 +1913,13 @@ static int mvpp2_prs_vid_range_find(struct mvpp2 *priv, int pmap, u16 vid, int tid; /* Go through the all entries with MVPP2_PRS_LU_VID */ - for (tid = MVPP2_PE_VID_FILT_RANGE_START; - tid <= MVPP2_PE_VID_FILT_RANGE_END; tid++) { - if (!priv->prs_shadow[tid].valid || - priv->prs_shadow[tid].lu != MVPP2_PRS_LU_VID) + for (tid = MVPP2_PRS_VID_PORT_FIRST(port->id); + tid <= MVPP2_PRS_VID_PORT_LAST(port->id); tid++) { + if (!port->priv->prs_shadow[tid].valid || + port->priv->prs_shadow[tid].lu != MVPP2_PRS_LU_VID) continue; - mvpp2_prs_init_from_hw(priv, &pe, tid); + mvpp2_prs_init_from_hw(port->priv, &pe, tid); mvpp2_prs_tcam_data_byte_get(&pe, 2, &byte[0], &enable[0]); mvpp2_prs_tcam_data_byte_get(&pe, 3, &byte[1], &enable[1]); @@ -1950,7 +1949,7 @@ int mvpp2_prs_vid_entry_add(struct mvpp2_port *port, u16 vid) memset(&pe, 0, sizeof(pe)); /* Scan TCAM and see if entry with this <vid,port> already exist */ - tid = mvpp2_prs_vid_range_find(priv, (1 << port->id), vid, mask); + tid = mvpp2_prs_vid_range_find(port, vid, mask); reg_val = mvpp2_read(priv, MVPP2_MH_REG(port->id)); if (reg_val & MVPP2_DSA_EXTENDED) @@ -2008,7 +2007,7 @@ void mvpp2_prs_vid_entry_remove(struct mvpp2_port *port, u16 vid) int tid; /* Scan TCAM and see if entry with this <vid,port> already exist */ - tid = mvpp2_prs_vid_range_find(priv, (1 << port->id), vid, 0xfff); + tid = mvpp2_prs_vid_range_find(port, vid, 0xfff); /* No such entry */ if (tid < 0) @@ -2026,8 +2025,10 @@ void mvpp2_prs_vid_remove_all(struct mvpp2_port *port) for (tid = MVPP2_PRS_VID_PORT_FIRST(port->id); tid <= MVPP2_PRS_VID_PORT_LAST(port->id); tid++) { - if (priv->prs_shadow[tid].valid) - mvpp2_prs_vid_entry_remove(port, tid); + if (priv->prs_shadow[tid].valid) { + mvpp2_prs_hw_inv(priv, tid); + priv->prs_shadow[tid].valid = false; + } } } diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 6e6abdc399de..1d55f014725e 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1784,6 +1784,7 @@ static void mtk_poll_controller(struct net_device *dev) static int mtk_start_dma(struct mtk_eth *eth) { + u32 rx_2b_offset = (NET_IP_ALIGN == 2) ? MTK_RX_2B_OFFSET : 0; int err; err = mtk_dma_init(eth); @@ -1800,7 +1801,7 @@ static int mtk_start_dma(struct mtk_eth *eth) MTK_QDMA_GLO_CFG); mtk_w32(eth, - MTK_RX_DMA_EN | MTK_RX_2B_OFFSET | + MTK_RX_DMA_EN | rx_2b_offset | MTK_RX_BT_32DWORDS | MTK_MULTI_EN, MTK_PDMA_GLO_CFG); @@ -2304,13 +2305,13 @@ static int mtk_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, switch (cmd->cmd) { case ETHTOOL_GRXRINGS: - if (dev->features & NETIF_F_LRO) { + if (dev->hw_features & NETIF_F_LRO) { cmd->data = MTK_MAX_RX_RING_NUM; ret = 0; } break; case ETHTOOL_GRXCLSRLCNT: - if (dev->features & NETIF_F_LRO) { + if (dev->hw_features & NETIF_F_LRO) { struct mtk_mac *mac = netdev_priv(dev); cmd->rule_cnt = mac->hwlro_ip_cnt; @@ -2318,11 +2319,11 @@ static int mtk_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, } break; case ETHTOOL_GRXCLSRULE: - if (dev->features & NETIF_F_LRO) + if (dev->hw_features & NETIF_F_LRO) ret = mtk_hwlro_get_fdir_entry(dev, cmd); break; case ETHTOOL_GRXCLSRLALL: - if (dev->features & NETIF_F_LRO) + if (dev->hw_features & NETIF_F_LRO) ret = mtk_hwlro_get_fdir_all(dev, cmd, rule_locs); break; @@ -2339,11 +2340,11 @@ static int mtk_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) switch (cmd->cmd) { case ETHTOOL_SRXCLSRLINS: - if (dev->features & NETIF_F_LRO) + if (dev->hw_features & NETIF_F_LRO) ret = mtk_hwlro_add_ipaddr(dev, cmd); break; case ETHTOOL_SRXCLSRLDEL: - if (dev->features & NETIF_F_LRO) + if (dev->hw_features & NETIF_F_LRO) ret = mtk_hwlro_del_ipaddr(dev, cmd); break; default: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c index 37ba7c78859d..1c225be9c7db 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c @@ -342,11 +342,32 @@ void mlx5_unregister_interface(struct mlx5_interface *intf) } EXPORT_SYMBOL(mlx5_unregister_interface); +/* Must be called with intf_mutex held */ +static bool mlx5_has_added_dev_by_protocol(struct mlx5_core_dev *mdev, int protocol) +{ + struct mlx5_device_context *dev_ctx; + struct mlx5_interface *intf; + bool found = false; + + list_for_each_entry(intf, &intf_list, list) { + if (intf->protocol == protocol) { + dev_ctx = mlx5_get_device(intf, &mdev->priv); + if (dev_ctx && test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state)) + found = true; + break; + } + } + + return found; +} + void mlx5_reload_interface(struct mlx5_core_dev *mdev, int protocol) { mutex_lock(&mlx5_intf_mutex); - mlx5_remove_dev_by_protocol(mdev, protocol); - mlx5_add_dev_by_protocol(mdev, protocol); + if (mlx5_has_added_dev_by_protocol(mdev, protocol)) { + mlx5_remove_dev_by_protocol(mdev, protocol); + mlx5_add_dev_by_protocol(mdev, protocol); + } mutex_unlock(&mlx5_intf_mutex); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 6e8b619b769b..aee58b3892f2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -877,7 +877,7 @@ static inline void mlxsw_reg_spaft_pack(char *payload, u8 local_port, MLXSW_REG_ZERO(spaft, payload); mlxsw_reg_spaft_local_port_set(payload, local_port); mlxsw_reg_spaft_allow_untagged_set(payload, allow_untagged); - mlxsw_reg_spaft_allow_prio_tagged_set(payload, true); + mlxsw_reg_spaft_allow_prio_tagged_set(payload, allow_untagged); mlxsw_reg_spaft_allow_tagged_set(payload, true); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index c5b82e283d13..0cab06046e5d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -2488,6 +2488,10 @@ mlxsw_sp_port_set_link_ksettings(struct net_device *dev, mlxsw_reg_ptys_eth_unpack(ptys_pl, ð_proto_cap, NULL, NULL); autoneg = cmd->base.autoneg == AUTONEG_ENABLE; + if (!autoneg && cmd->base.speed == SPEED_56000) { + netdev_err(dev, "56G not supported with autoneg off\n"); + return -EINVAL; + } eth_proto_new = autoneg ? mlxsw_sp_to_ptys_advert_link(cmd) : mlxsw_sp_to_ptys_speed(cmd->base.speed); @@ -4677,6 +4681,16 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, } else if (netif_is_macvlan(upper_dev)) { if (!info->linking) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); + } else if (is_vlan_dev(upper_dev)) { + struct net_device *br_dev; + + if (!netif_is_bridge_port(upper_dev)) + break; + if (info->linking) + break; + br_dev = netdev_master_upper_dev_get(upper_dev); + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, + br_dev); } break; } diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index f27a0dc8c563..5e3e6e262ba3 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1588,6 +1588,10 @@ static void sh_eth_dev_exit(struct net_device *ndev) sh_eth_get_stats(ndev); mdp->cd->soft_reset(ndev); + /* Set the RMII mode again if required */ + if (mdp->cd->rmiimode) + sh_eth_write(ndev, 0x1, RMIIMODE); + /* Set MAC address again */ update_mac_address(ndev); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c index 8d9cc2157afd..7423262ce590 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c @@ -122,7 +122,7 @@ static int adjust_systime(void __iomem *ioaddr, u32 sec, u32 nsec, * programmed with (2^32 – <new_sec_value>) */ if (gmac4) - sec = (100000000ULL - sec); + sec = -sec; value = readl(ioaddr + PTP_TCR); if (value & PTP_TCR_TSCTRLSSR) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 50c00822b2d8..5c18874614ba 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2938,12 +2938,15 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) /* Manage tx mitigation */ tx_q->tx_count_frames += nfrags + 1; - if (priv->tx_coal_frames <= tx_q->tx_count_frames) { + if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) && + !(priv->synopsys_id >= DWMAC_CORE_4_00 && + (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && + priv->hwts_tx_en)) { + stmmac_tx_timer_arm(priv, queue); + } else { + tx_q->tx_count_frames = 0; stmmac_set_tx_ic(priv, desc); priv->xstats.tx_set_ic_bit++; - tx_q->tx_count_frames = 0; - } else { - stmmac_tx_timer_arm(priv, queue); } skb_tx_timestamp(skb); @@ -3157,12 +3160,15 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) * element in case of no SG. */ tx_q->tx_count_frames += nfrags + 1; - if (priv->tx_coal_frames <= tx_q->tx_count_frames) { + if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) && + !(priv->synopsys_id >= DWMAC_CORE_4_00 && + (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && + priv->hwts_tx_en)) { + stmmac_tx_timer_arm(priv, queue); + } else { + tx_q->tx_count_frames = 0; stmmac_set_tx_ic(priv, desc); priv->xstats.tx_set_ic_bit++; - tx_q->tx_count_frames = 0; - } else { - stmmac_tx_timer_arm(priv, queue); } skb_tx_timestamp(skb); @@ -3319,6 +3325,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) entry = STMMAC_GET_ENTRY(entry, DMA_RX_SIZE); } rx_q->dirty_rx = entry; + stmmac_set_rx_tail_ptr(priv, priv->ioaddr, rx_q->rx_tail_addr, queue); } /** diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 9d699bd5f715..cf6b9b1771f1 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -2405,7 +2405,7 @@ static struct hv_driver netvsc_drv = { .probe = netvsc_probe, .remove = netvsc_remove, .driver = { - .probe_type = PROBE_PREFER_ASYNCHRONOUS, + .probe_type = PROBE_FORCE_SYNCHRONOUS, }, }; diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 68b8007da82b..0115a2868933 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -178,7 +178,7 @@ static void ipvlan_port_destroy(struct net_device *dev) } #define IPVLAN_FEATURES \ - (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ + (NETIF_F_SG | NETIF_F_CSUM_MASK | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ NETIF_F_GSO | NETIF_F_TSO | NETIF_F_GSO_ROBUST | \ NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_GRO | NETIF_F_RXCSUM | \ NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 82070792edbb..1f5fd24cd749 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -227,7 +227,7 @@ config AQUANTIA_PHY ---help--- Currently supports the Aquantia AQ1202, AQ2104, AQR105, AQR405 -config ASIX_PHY +config AX88796B_PHY tristate "Asix PHYs" help Currently supports the Asix Electronics PHY found in the X-Surf 100 diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 5805c0b7d60e..f21cda9d865e 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -46,7 +46,7 @@ obj-y += $(sfp-obj-y) $(sfp-obj-m) obj-$(CONFIG_AMD_PHY) += amd.o obj-$(CONFIG_AQUANTIA_PHY) += aquantia.o -obj-$(CONFIG_ASIX_PHY) += asix.o +obj-$(CONFIG_AX88796B_PHY) += ax88796b.o obj-$(CONFIG_AT803X_PHY) += at803x.o obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o obj-$(CONFIG_BCM7XXX_PHY) += bcm7xxx.o diff --git a/drivers/net/phy/asix.c b/drivers/net/phy/ax88796b.c index 8ebe7f5484ae..8ebe7f5484ae 100644 --- a/drivers/net/phy/asix.c +++ b/drivers/net/phy/ax88796b.c diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index b3935778b19f..e4bf9e7d7583 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -260,10 +260,8 @@ static int dp83867_config_init(struct phy_device *phydev) ret = phy_write(phydev, MII_DP83867_PHYCTRL, val); if (ret) return ret; - } - if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) && - (phydev->interface <= PHY_INTERFACE_MODE_RGMII_RXID)) { + /* Set up RGMII delays */ val = phy_read_mmd(phydev, DP83867_DEVADDR, DP83867_RGMIICTL); if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index f6e70f2dfd12..e029c7977a56 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -54,6 +54,10 @@ struct phylink { /* The link configuration settings */ struct phylink_link_state link_config; + + /* The current settings */ + phy_interface_t cur_interface; + struct gpio_desc *link_gpio; struct timer_list link_poll; void (*get_fixed_state)(struct net_device *dev, @@ -477,12 +481,12 @@ static void phylink_resolve(struct work_struct *w) if (!link_state.link) { netif_carrier_off(ndev); pl->ops->mac_link_down(ndev, pl->link_an_mode, - pl->phy_state.interface); + pl->cur_interface); netdev_info(ndev, "Link is Down\n"); } else { + pl->cur_interface = link_state.interface; pl->ops->mac_link_up(ndev, pl->link_an_mode, - pl->phy_state.interface, - pl->phydev); + pl->cur_interface, pl->phydev); netif_carrier_on(ndev); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 6c6230b44bcd..dc30f11f4766 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2139,12 +2139,12 @@ static void team_setup(struct net_device *dev) dev->features |= NETIF_F_NETNS_LOCAL; dev->hw_features = TEAM_VLAN_FEATURES | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4; dev->features |= dev->hw_features; + dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; } static int team_newlink(struct net *src_net, struct net_device *dev, diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c index e0d6760f3219..4b5af2413970 100644 --- a/drivers/net/thunderbolt.c +++ b/drivers/net/thunderbolt.c @@ -1285,6 +1285,7 @@ static int __maybe_unused tbnet_suspend(struct device *dev) tbnet_tear_down(net, true); } + tb_unregister_protocol_handler(&net->handler); return 0; } @@ -1293,6 +1294,8 @@ static int __maybe_unused tbnet_resume(struct device *dev) struct tb_service *svc = tb_to_service(dev); struct tbnet *net = tb_service_get_drvdata(svc); + tb_register_protocol_handler(&net->handler); + netif_carrier_off(net->dev); if (netif_running(net->dev)) { netif_device_attach(net->dev); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 78d34e0306e0..b67fee56ec81 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1024,18 +1024,8 @@ static void tun_net_uninit(struct net_device *dev) /* Net device open. */ static int tun_net_open(struct net_device *dev) { - struct tun_struct *tun = netdev_priv(dev); - int i; - netif_tx_start_all_queues(dev); - for (i = 0; i < tun->numqueues; i++) { - struct tun_file *tfile; - - tfile = rtnl_dereference(tun->tfiles[i]); - tfile->socket.sk->sk_write_space(tfile->socket.sk); - } - return 0; } @@ -3443,6 +3433,7 @@ static int tun_device_event(struct notifier_block *unused, { struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct tun_struct *tun = netdev_priv(dev); + int i; if (dev->rtnl_link_ops != &tun_link_ops) return NOTIFY_DONE; @@ -3452,6 +3443,14 @@ static int tun_device_event(struct notifier_block *unused, if (tun_queue_resize(tun)) return NOTIFY_BAD; break; + case NETDEV_UP: + for (i = 0; i < tun->numqueues; i++) { + struct tun_file *tfile; + + tfile = rtnl_dereference(tun->tfiles[i]); + tfile->socket.sk->sk_write_space(tfile->socket.sk); + } + break; default: break; } diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 3d8a70d3ea9b..3d71f1716390 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -437,17 +437,18 @@ static int ipheth_tx(struct sk_buff *skb, struct net_device *net) dev); dev->tx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + netif_stop_queue(net); retval = usb_submit_urb(dev->tx_urb, GFP_ATOMIC); if (retval) { dev_err(&dev->intf->dev, "%s: usb_submit_urb: %d\n", __func__, retval); dev->net->stats.tx_errors++; dev_kfree_skb_any(skb); + netif_wake_queue(net); } else { dev->net->stats.tx_packets++; dev->net->stats.tx_bytes += skb->len; dev_consume_skb_any(skb); - netif_stop_queue(net); } return NETDEV_TX_OK; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index d9a6699abe59..128c8a327d8e 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -153,7 +153,7 @@ static bool qmimux_has_slaves(struct usbnet *dev) static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { - unsigned int len, offset = 0; + unsigned int len, offset = 0, pad_len, pkt_len; struct qmimux_hdr *hdr; struct net_device *net; struct sk_buff *skbn; @@ -171,10 +171,16 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) if (hdr->pad & 0x80) goto skip; + /* extract padding length and check for valid length info */ + pad_len = hdr->pad & 0x3f; + if (len == 0 || pad_len >= len) + goto skip; + pkt_len = len - pad_len; + net = qmimux_find_dev(dev, hdr->mux_id); if (!net) goto skip; - skbn = netdev_alloc_skb(net, len); + skbn = netdev_alloc_skb(net, pkt_len); if (!skbn) return 0; skbn->dev = net; @@ -191,7 +197,7 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) goto skip; } - skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, len); + skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); if (netif_rx(skbn) != NET_RX_SUCCESS) return 0; @@ -241,13 +247,14 @@ out_free_newdev: return err; } -static void qmimux_unregister_device(struct net_device *dev) +static void qmimux_unregister_device(struct net_device *dev, + struct list_head *head) { struct qmimux_priv *priv = netdev_priv(dev); struct net_device *real_dev = priv->real_dev; netdev_upper_dev_unlink(real_dev, dev); - unregister_netdevice(dev); + unregister_netdevice_queue(dev, head); /* Get rid of the reference to real_dev */ dev_put(real_dev); @@ -356,8 +363,8 @@ static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, c if (kstrtou8(buf, 0, &mux_id)) return -EINVAL; - /* mux_id [1 - 0x7f] range empirically found */ - if (mux_id < 1 || mux_id > 0x7f) + /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ + if (mux_id < 1 || mux_id > 254) return -EINVAL; if (!rtnl_trylock()) @@ -418,7 +425,7 @@ static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, c ret = -EINVAL; goto err; } - qmimux_unregister_device(del_dev); + qmimux_unregister_device(del_dev, NULL); if (!qmimux_has_slaves(dev)) info->flags &= ~QMI_WWAN_FLAG_MUX; @@ -1412,7 +1419,7 @@ static int qmi_wwan_probe(struct usb_interface *intf, * different. Ignore the current interface if the number of endpoints * equals the number for the diag interface (two). */ - info = (void *)&id->driver_info; + info = (void *)id->driver_info; if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) { if (desc->bNumEndpoints == 2) @@ -1428,6 +1435,7 @@ static void qmi_wwan_disconnect(struct usb_interface *intf) struct qmi_wwan_state *info; struct list_head *iter; struct net_device *ldev; + LIST_HEAD(list); /* called twice if separate control and data intf */ if (!dev) @@ -1440,8 +1448,9 @@ static void qmi_wwan_disconnect(struct usb_interface *intf) } rcu_read_lock(); netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) - qmimux_unregister_device(ldev); + qmimux_unregister_device(ldev, &list); rcu_read_unlock(); + unregister_netdevice_many(&list); rtnl_unlock(); info->flags &= ~QMI_WWAN_FLAG_MUX; } diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index e7c3f3b8457d..99f1897a775d 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -128,6 +128,8 @@ static const struct usb_device_id carl9170_usb_ids[] = { }; MODULE_DEVICE_TABLE(usb, carl9170_usb_ids); +static struct usb_driver carl9170_driver; + static void carl9170_usb_submit_data_urb(struct ar9170 *ar) { struct urb *urb; @@ -966,32 +968,28 @@ err_out: static void carl9170_usb_firmware_failed(struct ar9170 *ar) { - struct device *parent = ar->udev->dev.parent; - struct usb_device *udev; - - /* - * Store a copy of the usb_device pointer locally. - * This is because device_release_driver initiates - * carl9170_usb_disconnect, which in turn frees our - * driver context (ar). + /* Store a copies of the usb_interface and usb_device pointer locally. + * This is because release_driver initiates carl9170_usb_disconnect, + * which in turn frees our driver context (ar). */ - udev = ar->udev; + struct usb_interface *intf = ar->intf; + struct usb_device *udev = ar->udev; complete(&ar->fw_load_wait); + /* at this point 'ar' could be already freed. Don't use it anymore */ + ar = NULL; /* unbind anything failed */ - if (parent) - device_lock(parent); - - device_release_driver(&udev->dev); - if (parent) - device_unlock(parent); + usb_lock_device(udev); + usb_driver_release_interface(&carl9170_driver, intf); + usb_unlock_device(udev); - usb_put_dev(udev); + usb_put_intf(intf); } static void carl9170_usb_firmware_finish(struct ar9170 *ar) { + struct usb_interface *intf = ar->intf; int err; err = carl9170_parse_firmware(ar); @@ -1009,7 +1007,7 @@ static void carl9170_usb_firmware_finish(struct ar9170 *ar) goto err_unrx; complete(&ar->fw_load_wait); - usb_put_dev(ar->udev); + usb_put_intf(intf); return; err_unrx: @@ -1052,7 +1050,6 @@ static int carl9170_usb_probe(struct usb_interface *intf, return PTR_ERR(ar); udev = interface_to_usbdev(intf); - usb_get_dev(udev); ar->udev = udev; ar->intf = intf; ar->features = id->driver_info; @@ -1094,15 +1091,14 @@ static int carl9170_usb_probe(struct usb_interface *intf, atomic_set(&ar->rx_anch_urbs, 0); atomic_set(&ar->rx_pool_urbs, 0); - usb_get_dev(ar->udev); + usb_get_intf(intf); carl9170_set_state(ar, CARL9170_STOPPED); err = request_firmware_nowait(THIS_MODULE, 1, CARL9170FW_NAME, &ar->udev->dev, GFP_KERNEL, ar, carl9170_usb_firmware_step2); if (err) { - usb_put_dev(udev); - usb_put_dev(udev); + usb_put_intf(intf); carl9170_free(ar); } return err; @@ -1131,7 +1127,6 @@ static void carl9170_usb_disconnect(struct usb_interface *intf) carl9170_release_firmware(ar); carl9170_free(ar); - usb_put_dev(udev); } #ifdef CONFIG_PM diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index a907d7b065fa..53e4962ceb8a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -667,6 +667,12 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on) brcmf_dbg(TRACE, "Enter: on=%d\n", on); + sdio_retune_crc_disable(bus->sdiodev->func1); + + /* Cannot re-tune if device is asleep; defer till we're awake */ + if (on) + sdio_retune_hold_now(bus->sdiodev->func1); + wr_val = (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); /* 1st KSO write goes to AOS wake up core if device is asleep */ brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err); @@ -719,6 +725,11 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on) if (try_cnt > MAX_KSO_ATTEMPTS) brcmf_err("max tries: rd_val=0x%x err=%d\n", rd_val, err); + if (on) + sdio_retune_release(bus->sdiodev->func1); + + sdio_retune_crc_enable(bus->sdiodev->func1); + return err; } diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index c0631255aee7..db6628d390a2 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1547,7 +1547,6 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) goto free; out_free_fw: - iwl_dealloc_ucode(drv); release_firmware(ucode_raw); out_unbind: complete(&drv->request_firmware_complete); diff --git a/drivers/net/wireless/intersil/p54/p54usb.c b/drivers/net/wireless/intersil/p54/p54usb.c index b0b86f701061..15661da6eedc 100644 --- a/drivers/net/wireless/intersil/p54/p54usb.c +++ b/drivers/net/wireless/intersil/p54/p54usb.c @@ -33,6 +33,8 @@ MODULE_ALIAS("prism54usb"); MODULE_FIRMWARE("isl3886usb"); MODULE_FIRMWARE("isl3887usb"); +static struct usb_driver p54u_driver; + /* * Note: * @@ -921,9 +923,9 @@ static void p54u_load_firmware_cb(const struct firmware *firmware, { struct p54u_priv *priv = context; struct usb_device *udev = priv->udev; + struct usb_interface *intf = priv->intf; int err; - complete(&priv->fw_wait_load); if (firmware) { priv->fw = firmware; err = p54u_start_ops(priv); @@ -932,26 +934,22 @@ static void p54u_load_firmware_cb(const struct firmware *firmware, dev_err(&udev->dev, "Firmware not found.\n"); } - if (err) { - struct device *parent = priv->udev->dev.parent; - - dev_err(&udev->dev, "failed to initialize device (%d)\n", err); - - if (parent) - device_lock(parent); + complete(&priv->fw_wait_load); + /* + * At this point p54u_disconnect may have already freed + * the "priv" context. Do not use it anymore! + */ + priv = NULL; - device_release_driver(&udev->dev); - /* - * At this point p54u_disconnect has already freed - * the "priv" context. Do not use it anymore! - */ - priv = NULL; + if (err) { + dev_err(&intf->dev, "failed to initialize device (%d)\n", err); - if (parent) - device_unlock(parent); + usb_lock_device(udev); + usb_driver_release_interface(&p54u_driver, intf); + usb_unlock_device(udev); } - usb_put_dev(udev); + usb_put_intf(intf); } static int p54u_load_firmware(struct ieee80211_hw *dev, @@ -972,14 +970,14 @@ static int p54u_load_firmware(struct ieee80211_hw *dev, dev_info(&priv->udev->dev, "Loading firmware file %s\n", p54u_fwlist[i].fw); - usb_get_dev(udev); + usb_get_intf(intf); err = request_firmware_nowait(THIS_MODULE, 1, p54u_fwlist[i].fw, device, GFP_KERNEL, priv, p54u_load_firmware_cb); if (err) { dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s " "(%d)!\n", p54u_fwlist[i].fw, err); - usb_put_dev(udev); + usb_put_intf(intf); } return err; @@ -1011,8 +1009,6 @@ static int p54u_probe(struct usb_interface *intf, skb_queue_head_init(&priv->rx_queue); init_usb_anchor(&priv->submitted); - usb_get_dev(udev); - /* really lazy and simple way of figuring out if we're a 3887 */ /* TODO: should just stick the identification in the device table */ i = intf->altsetting->desc.bNumEndpoints; @@ -1053,10 +1049,8 @@ static int p54u_probe(struct usb_interface *intf, priv->upload_fw = p54u_upload_firmware_net2280; } err = p54u_load_firmware(dev, intf); - if (err) { - usb_put_dev(udev); + if (err) p54_free_common(dev); - } return err; } @@ -1072,7 +1066,6 @@ static void p54u_disconnect(struct usb_interface *intf) wait_for_completion(&priv->fw_wait_load); p54_unregister_common(dev); - usb_put_dev(interface_to_usbdev(intf)); release_firmware(priv->fw); p54_free_common(dev); } diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index b73f99dc5a72..1fb76d2f5d3f 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -1759,9 +1759,10 @@ struct mwifiex_ie_types_wmm_queue_status { struct ieee_types_vendor_header { u8 element_id; u8 len; - u8 oui[4]; /* 0~2: oui, 3: oui_type */ - u8 oui_subtype; - u8 version; + struct { + u8 oui[3]; + u8 oui_type; + } __packed oui; } __packed; struct ieee_types_wmm_parameter { @@ -1775,6 +1776,9 @@ struct ieee_types_wmm_parameter { * Version [1] */ struct ieee_types_vendor_header vend_hdr; + u8 oui_subtype; + u8 version; + u8 qos_info_bitmap; u8 reserved; struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_NUM_ACS]; @@ -1792,6 +1796,8 @@ struct ieee_types_wmm_info { * Version [1] */ struct ieee_types_vendor_header vend_hdr; + u8 oui_subtype; + u8 version; u8 qos_info_bitmap; } __packed; diff --git a/drivers/net/wireless/marvell/mwifiex/ie.c b/drivers/net/wireless/marvell/mwifiex/ie.c index 75cbd609d606..801a2d7b020a 100644 --- a/drivers/net/wireless/marvell/mwifiex/ie.c +++ b/drivers/net/wireless/marvell/mwifiex/ie.c @@ -329,6 +329,8 @@ static int mwifiex_uap_parse_tail_ies(struct mwifiex_private *priv, struct ieee80211_vendor_ie *vendorhdr; u16 gen_idx = MWIFIEX_AUTO_IDX_MASK, ie_len = 0; int left_len, parsed_len = 0; + unsigned int token_len; + int err = 0; if (!info->tail || !info->tail_len) return 0; @@ -344,6 +346,12 @@ static int mwifiex_uap_parse_tail_ies(struct mwifiex_private *priv, */ while (left_len > sizeof(struct ieee_types_header)) { hdr = (void *)(info->tail + parsed_len); + token_len = hdr->len + sizeof(struct ieee_types_header); + if (token_len > left_len) { + err = -EINVAL; + goto out; + } + switch (hdr->element_id) { case WLAN_EID_SSID: case WLAN_EID_SUPP_RATES: @@ -361,16 +369,19 @@ static int mwifiex_uap_parse_tail_ies(struct mwifiex_private *priv, if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, WLAN_OUI_TYPE_MICROSOFT_WMM, (const u8 *)hdr, - hdr->len + sizeof(struct ieee_types_header))) + token_len)) break; default: - memcpy(gen_ie->ie_buffer + ie_len, hdr, - hdr->len + sizeof(struct ieee_types_header)); - ie_len += hdr->len + sizeof(struct ieee_types_header); + if (ie_len + token_len > IEEE_MAX_IE_SIZE) { + err = -EINVAL; + goto out; + } + memcpy(gen_ie->ie_buffer + ie_len, hdr, token_len); + ie_len += token_len; break; } - left_len -= hdr->len + sizeof(struct ieee_types_header); - parsed_len += hdr->len + sizeof(struct ieee_types_header); + left_len -= token_len; + parsed_len += token_len; } /* parse only WPA vendor IE from tail, WMM IE is configured by @@ -380,15 +391,17 @@ static int mwifiex_uap_parse_tail_ies(struct mwifiex_private *priv, WLAN_OUI_TYPE_MICROSOFT_WPA, info->tail, info->tail_len); if (vendorhdr) { - memcpy(gen_ie->ie_buffer + ie_len, vendorhdr, - vendorhdr->len + sizeof(struct ieee_types_header)); - ie_len += vendorhdr->len + sizeof(struct ieee_types_header); + token_len = vendorhdr->len + sizeof(struct ieee_types_header); + if (ie_len + token_len > IEEE_MAX_IE_SIZE) { + err = -EINVAL; + goto out; + } + memcpy(gen_ie->ie_buffer + ie_len, vendorhdr, token_len); + ie_len += token_len; } - if (!ie_len) { - kfree(gen_ie); - return 0; - } + if (!ie_len) + goto out; gen_ie->ie_index = cpu_to_le16(gen_idx); gen_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON | @@ -398,13 +411,15 @@ static int mwifiex_uap_parse_tail_ies(struct mwifiex_private *priv, if (mwifiex_update_uap_custom_ie(priv, gen_ie, &gen_idx, NULL, NULL, NULL, NULL)) { - kfree(gen_ie); - return -1; + err = -EINVAL; + goto out; } priv->gen_idx = gen_idx; + + out: kfree(gen_ie); - return 0; + return err; } /* This function parses different IEs-head & tail IEs, beacon IEs, diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 8e483b0bc3b1..6dd771ce68a3 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -1247,6 +1247,8 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, } switch (element_id) { case WLAN_EID_SSID: + if (element_len > IEEE80211_MAX_SSID_LEN) + return -EINVAL; bss_entry->ssid.ssid_len = element_len; memcpy(bss_entry->ssid.ssid, (current_ptr + 2), element_len); @@ -1256,6 +1258,8 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, break; case WLAN_EID_SUPP_RATES: + if (element_len > MWIFIEX_SUPPORTED_RATES) + return -EINVAL; memcpy(bss_entry->data_rates, current_ptr + 2, element_len); memcpy(bss_entry->supported_rates, current_ptr + 2, @@ -1265,6 +1269,8 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, break; case WLAN_EID_FH_PARAMS: + if (element_len + 2 < sizeof(*fh_param_set)) + return -EINVAL; fh_param_set = (struct ieee_types_fh_param_set *) current_ptr; memcpy(&bss_entry->phy_param_set.fh_param_set, @@ -1273,6 +1279,8 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, break; case WLAN_EID_DS_PARAMS: + if (element_len + 2 < sizeof(*ds_param_set)) + return -EINVAL; ds_param_set = (struct ieee_types_ds_param_set *) current_ptr; @@ -1284,6 +1292,8 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, break; case WLAN_EID_CF_PARAMS: + if (element_len + 2 < sizeof(*cf_param_set)) + return -EINVAL; cf_param_set = (struct ieee_types_cf_param_set *) current_ptr; memcpy(&bss_entry->ss_param_set.cf_param_set, @@ -1292,6 +1302,8 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, break; case WLAN_EID_IBSS_PARAMS: + if (element_len + 2 < sizeof(*ibss_param_set)) + return -EINVAL; ibss_param_set = (struct ieee_types_ibss_param_set *) current_ptr; @@ -1301,10 +1313,14 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, break; case WLAN_EID_ERP_INFO: + if (!element_len) + return -EINVAL; bss_entry->erp_flags = *(current_ptr + 2); break; case WLAN_EID_PWR_CONSTRAINT: + if (!element_len) + return -EINVAL; bss_entry->local_constraint = *(current_ptr + 2); bss_entry->sensed_11h = true; break; @@ -1348,15 +1364,22 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, vendor_ie = (struct ieee_types_vendor_specific *) current_ptr; - if (!memcmp - (vendor_ie->vend_hdr.oui, wpa_oui, - sizeof(wpa_oui))) { + /* 802.11 requires at least 3-byte OUI. */ + if (element_len < sizeof(vendor_ie->vend_hdr.oui.oui)) + return -EINVAL; + + /* Not long enough for a match? Skip it. */ + if (element_len < sizeof(wpa_oui)) + break; + + if (!memcmp(&vendor_ie->vend_hdr.oui, wpa_oui, + sizeof(wpa_oui))) { bss_entry->bcn_wpa_ie = (struct ieee_types_vendor_specific *) current_ptr; bss_entry->wpa_offset = (u16) (current_ptr - bss_entry->beacon_buf); - } else if (!memcmp(vendor_ie->vend_hdr.oui, wmm_oui, + } else if (!memcmp(&vendor_ie->vend_hdr.oui, wmm_oui, sizeof(wmm_oui))) { if (total_ie_len == sizeof(struct ieee_types_wmm_parameter) || diff --git a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c index b454b5f85503..843d65bba181 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c @@ -1348,7 +1348,7 @@ mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, /* Test to see if it is a WPA IE, if not, then * it is a gen IE */ - if (!memcmp(pvendor_ie->oui, wpa_oui, + if (!memcmp(&pvendor_ie->oui, wpa_oui, sizeof(wpa_oui))) { /* IE is a WPA/WPA2 IE so call set_wpa function */ @@ -1358,7 +1358,7 @@ mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, goto next_ie; } - if (!memcmp(pvendor_ie->oui, wps_oui, + if (!memcmp(&pvendor_ie->oui, wps_oui, sizeof(wps_oui))) { /* Test to see if it is a WPS IE, * if so, enable wps session flag diff --git a/drivers/net/wireless/marvell/mwifiex/wmm.c b/drivers/net/wireless/marvell/mwifiex/wmm.c index 407b9932ca4d..64916ba15df5 100644 --- a/drivers/net/wireless/marvell/mwifiex/wmm.c +++ b/drivers/net/wireless/marvell/mwifiex/wmm.c @@ -240,7 +240,7 @@ mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv, mwifiex_dbg(priv->adapter, INFO, "info: WMM Parameter IE: version=%d,\t" "qos_info Parameter Set Count=%d, Reserved=%#x\n", - wmm_ie->vend_hdr.version, wmm_ie->qos_info_bitmap & + wmm_ie->version, wmm_ie->qos_info_bitmap & IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK, wmm_ie->reserved); diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 9148015ed803..a3132a9eb91c 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -612,7 +612,7 @@ static struct attribute *nd_device_attributes[] = { NULL, }; -/** +/* * nd_device_attribute_group - generic attributes for all devices on an nd bus */ struct attribute_group nd_device_attribute_group = { @@ -641,7 +641,7 @@ static umode_t nd_numa_attr_visible(struct kobject *kobj, struct attribute *a, return a->mode; } -/** +/* * nd_numa_attribute_group - NUMA attributes for all devices on an nd bus */ struct attribute_group nd_numa_attribute_group = { diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c index 452ad379ed70..9f1b7e3153f9 100644 --- a/drivers/nvdimm/label.c +++ b/drivers/nvdimm/label.c @@ -25,6 +25,8 @@ static guid_t nvdimm_btt2_guid; static guid_t nvdimm_pfn_guid; static guid_t nvdimm_dax_guid; +static const char NSINDEX_SIGNATURE[] = "NAMESPACE_INDEX\0"; + static u32 best_seq(u32 a, u32 b) { a &= NSINDEX_SEQ_MASK; diff --git a/drivers/nvdimm/label.h b/drivers/nvdimm/label.h index 18bbe183b3a9..52f9fcada00a 100644 --- a/drivers/nvdimm/label.h +++ b/drivers/nvdimm/label.h @@ -38,8 +38,6 @@ enum { ND_NSINDEX_INIT = 0x1, }; -static const char NSINDEX_SIGNATURE[] = "NAMESPACE_INDEX\0"; - /** * struct nd_namespace_index - label set superblock * @sig: NAMESPACE_INDEX\0 diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index abfb46378cc1..d8869d978c34 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1277,9 +1277,14 @@ static struct nvme_ns *nvme_get_ns_from_disk(struct gendisk *disk, { #ifdef CONFIG_NVME_MULTIPATH if (disk->fops == &nvme_ns_head_ops) { + struct nvme_ns *ns; + *head = disk->private_data; *srcu_idx = srcu_read_lock(&(*head)->srcu); - return nvme_find_path(*head); + ns = nvme_find_path(*head); + if (!ns) + srcu_read_unlock(&(*head)->srcu, *srcu_idx); + return ns; } #endif *head = NULL; @@ -1293,42 +1298,56 @@ static void nvme_put_ns_from_disk(struct nvme_ns_head *head, int idx) srcu_read_unlock(&head->srcu, idx); } -static int nvme_ns_ioctl(struct nvme_ns *ns, unsigned cmd, unsigned long arg) +static int nvme_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) { + struct nvme_ns_head *head = NULL; + void __user *argp = (void __user *)arg; + struct nvme_ns *ns; + int srcu_idx, ret; + + ns = nvme_get_ns_from_disk(bdev->bd_disk, &head, &srcu_idx); + if (unlikely(!ns)) + return -EWOULDBLOCK; + + /* + * Handle ioctls that apply to the controller instead of the namespace + * seperately and drop the ns SRCU reference early. This avoids a + * deadlock when deleting namespaces using the passthrough interface. + */ + if (cmd == NVME_IOCTL_ADMIN_CMD || is_sed_ioctl(cmd)) { + struct nvme_ctrl *ctrl = ns->ctrl; + + nvme_get_ctrl(ns->ctrl); + nvme_put_ns_from_disk(head, srcu_idx); + + if (cmd == NVME_IOCTL_ADMIN_CMD) + ret = nvme_user_cmd(ctrl, NULL, argp); + else + ret = sed_ioctl(ctrl->opal_dev, cmd, argp); + + nvme_put_ctrl(ctrl); + return ret; + } + switch (cmd) { case NVME_IOCTL_ID: force_successful_syscall_return(); - return ns->head->ns_id; - case NVME_IOCTL_ADMIN_CMD: - return nvme_user_cmd(ns->ctrl, NULL, (void __user *)arg); + ret = ns->head->ns_id; + break; case NVME_IOCTL_IO_CMD: - return nvme_user_cmd(ns->ctrl, ns, (void __user *)arg); + ret = nvme_user_cmd(ns->ctrl, ns, argp); + break; case NVME_IOCTL_SUBMIT_IO: - return nvme_submit_io(ns, (void __user *)arg); + ret = nvme_submit_io(ns, argp); + break; default: -#ifdef CONFIG_NVM if (ns->ndev) - return nvme_nvm_ioctl(ns, cmd, arg); -#endif - if (is_sed_ioctl(cmd)) - return sed_ioctl(ns->ctrl->opal_dev, cmd, - (void __user *) arg); - return -ENOTTY; + ret = nvme_nvm_ioctl(ns, cmd, arg); + else + ret = -ENOTTY; } -} - -static int nvme_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) -{ - struct nvme_ns_head *head = NULL; - struct nvme_ns *ns; - int srcu_idx, ret; - ns = nvme_get_ns_from_disk(bdev->bd_disk, &head, &srcu_idx); - if (unlikely(!ns)) - ret = -EWOULDBLOCK; - else - ret = nvme_ns_ioctl(ns, cmd, arg); nvme_put_ns_from_disk(head, srcu_idx); return ret; } @@ -3209,7 +3228,8 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl, unsigned nn) { struct nvme_ns *ns; __le32 *ns_list; - unsigned i, j, nsid, prev = 0, num_lists = DIV_ROUND_UP(nn, 1024); + unsigned i, j, nsid, prev = 0; + unsigned num_lists = DIV_ROUND_UP_ULL((u64)nn, 1024); int ret = 0; ns_list = kzalloc(NVME_IDENTIFY_DATA_SIZE, GFP_KERNEL); @@ -3506,6 +3526,7 @@ EXPORT_SYMBOL_GPL(nvme_start_ctrl); void nvme_uninit_ctrl(struct nvme_ctrl *ctrl) { + dev_pm_qos_hide_latency_tolerance(ctrl->device); cdev_device_del(&ctrl->cdev, ctrl->device); } EXPORT_SYMBOL_GPL(nvme_uninit_ctrl); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 7b9ef8e734e7..c8eeecc58115 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1132,6 +1132,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) struct nvme_dev *dev = nvmeq->dev; struct request *abort_req; struct nvme_command cmd; + bool shutdown = false; u32 csts = readl(dev->bar + NVME_REG_CSTS); /* If PCI error recovery process is happening, we cannot reset or @@ -1168,12 +1169,14 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) * shutdown, so we return BLK_EH_DONE. */ switch (dev->ctrl.state) { + case NVME_CTRL_DELETING: + shutdown = true; case NVME_CTRL_CONNECTING: case NVME_CTRL_RESETTING: dev_warn_ratelimited(dev->ctrl.device, "I/O %d QID %d timeout, disable controller\n", req->tag, nvmeq->qid); - nvme_dev_disable(dev, false); + nvme_dev_disable(dev, shutdown); nvme_req(req)->flags |= NVME_REQ_CANCELLED; return BLK_EH_DONE; default: @@ -2187,8 +2190,11 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) * must flush all entered requests to their failed completion to avoid * deadlocking blk-mq hot-cpu notifier. */ - if (shutdown) + if (shutdown) { nvme_start_queues(&dev->ctrl); + if (dev->ctrl.admin_q && !blk_queue_dying(dev->ctrl.admin_q)) + blk_mq_unquiesce_queue(dev->ctrl.admin_q); + } mutex_unlock(&dev->shutdown_lock); } diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c index 7bc9f6240432..1096dd01ca22 100644 --- a/drivers/nvme/target/io-cmd-bdev.c +++ b/drivers/nvme/target/io-cmd-bdev.c @@ -239,6 +239,7 @@ u16 nvmet_bdev_parse_io_cmd(struct nvmet_req *req) return 0; case nvme_cmd_write_zeroes: req->execute = nvmet_bdev_execute_write_zeroes; + req->data_len = 0; return 0; default: pr_err("unhandled cmd %d on qid %d\n", cmd->common.opcode, diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 7c530c88b3fb..99de51e87f7f 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1028,7 +1028,7 @@ EXPORT_SYMBOL_GPL(nvmem_cell_put); static void nvmem_shift_read_buffer_in_place(struct nvmem_cell *cell, void *buf) { u8 *p, *b; - int i, bit_offset = cell->bit_offset; + int i, extra, bit_offset = cell->bit_offset; p = b = buf; if (bit_offset) { @@ -1043,11 +1043,16 @@ static void nvmem_shift_read_buffer_in_place(struct nvmem_cell *cell, void *buf) p = b; *b++ >>= bit_offset; } - - /* result fits in less bytes */ - if (cell->bytes != DIV_ROUND_UP(cell->nbits, BITS_PER_BYTE)) - *p-- = 0; + } else { + /* point to the msb */ + p += cell->bytes - 1; } + + /* result fits in less bytes */ + extra = cell->bytes - DIV_ROUND_UP(cell->nbits, BITS_PER_BYTE); + while (--extra >= 0) + *p-- = 0; + /* clear msb bits if any leftover in the last byte */ *p &= GENMASK((cell->nbits%BITS_PER_BYTE) - 1, 0); } diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c index d020f89248fd..69f8e972e29c 100644 --- a/drivers/nvmem/sunxi_sid.c +++ b/drivers/nvmem/sunxi_sid.c @@ -235,8 +235,10 @@ static const struct sunxi_sid_cfg sun50i_a64_cfg = { static const struct of_device_id sunxi_sid_of_match[] = { { .compatible = "allwinner,sun4i-a10-sid", .data = &sun4i_a10_cfg }, { .compatible = "allwinner,sun7i-a20-sid", .data = &sun7i_a20_cfg }, + { .compatible = "allwinner,sun8i-a83t-sid", .data = &sun50i_a64_cfg }, { .compatible = "allwinner,sun8i-h3-sid", .data = &sun8i_h3_cfg }, { .compatible = "allwinner,sun50i-a64-sid", .data = &sun50i_a64_cfg }, + { .compatible = "allwinner,sun50i-h5-sid", .data = &sun50i_a64_cfg }, {/* sentinel */}, }; MODULE_DEVICE_TABLE(of, sunxi_sid_of_match); diff --git a/drivers/parport/share.c b/drivers/parport/share.c index 5dc53d420ca8..7b4ee33c1935 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -895,6 +895,7 @@ parport_register_dev_model(struct parport *port, const char *name, par_dev->devmodel = true; ret = device_register(&par_dev->dev); if (ret) { + kfree(par_dev->state); put_device(&par_dev->dev); goto err_put_port; } @@ -912,6 +913,7 @@ parport_register_dev_model(struct parport *port, const char *name, spin_unlock(&port->physport->pardevice_lock); pr_debug("%s: cannot grant exclusive access for device %s\n", port->name, name); + kfree(par_dev->state); device_unregister(&par_dev->dev); goto err_put_port; } diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index e88bd221fffe..5e199e7d2d4f 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -237,6 +237,7 @@ static void ks_pcie_setup_interrupts(struct keystone_pcie *ks_pcie) ks_dw_pcie_enable_error_irq(ks_pcie); } +#ifdef CONFIG_ARM /* * When a PCI device does not exist during config cycles, keystone host gets a * bus error instead of returning 0xffffffff. This handler always returns 0 @@ -256,6 +257,7 @@ static int keystone_pcie_fault(unsigned long addr, unsigned int fsr, return 0; } +#endif static int __init ks_pcie_host_init(struct pcie_port *pp) { @@ -279,12 +281,14 @@ static int __init ks_pcie_host_init(struct pcie_port *pp) val |= BIT(12); writel(val, pci->dbi_base + PCIE_CAP_BASE + PCI_EXP_DEVCTL); +#ifdef CONFIG_ARM /* * PCIe access errors that result into OCP errors are caught by ARM as * "External aborts" */ hook_fault_code(17, keystone_pcie_fault, SIGBUS, 0, "Asynchronous external abort"); +#endif return 0; } diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index de8635af4cde..739d97080d3b 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -385,6 +385,7 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); struct pci_epc *epc = ep->epc; + unsigned int aligned_offset; u16 msg_ctrl, msg_data; u32 msg_addr_lower, msg_addr_upper, reg; u64 msg_addr; @@ -410,13 +411,15 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, reg = ep->msi_cap + PCI_MSI_DATA_32; msg_data = dw_pcie_readw_dbi(pci, reg); } - msg_addr = ((u64) msg_addr_upper) << 32 | msg_addr_lower; + aligned_offset = msg_addr_lower & (epc->mem->page_size - 1); + msg_addr = ((u64)msg_addr_upper) << 32 | + (msg_addr_lower & ~aligned_offset); ret = dw_pcie_ep_map_addr(epc, func_no, ep->msi_mem_phys, msg_addr, epc->mem->page_size); if (ret) return ret; - writel(msg_data | (interrupt_num - 1), ep->msi_mem); + writel(msg_data | (interrupt_num - 1), ep->msi_mem + aligned_offset); dw_pcie_ep_unmap_addr(epc, func_no, ep->msi_mem_phys); diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 0b08685980ea..35bb36dabd58 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -303,20 +303,24 @@ void dw_pcie_free_msi(struct pcie_port *pp) irq_domain_remove(pp->msi_domain); irq_domain_remove(pp->irq_domain); + + if (pp->msi_page) + __free_page(pp->msi_page); } void dw_pcie_msi_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); struct device *dev = pci->dev; - struct page *page; u64 msi_target; - page = alloc_page(GFP_KERNEL); - pp->msi_data = dma_map_page(dev, page, 0, PAGE_SIZE, DMA_FROM_DEVICE); + pp->msi_page = alloc_page(GFP_KERNEL); + pp->msi_data = dma_map_page(dev, pp->msi_page, 0, PAGE_SIZE, + DMA_FROM_DEVICE); if (dma_mapping_error(dev, pp->msi_data)) { dev_err(dev, "Failed to map MSI data\n"); - __free_page(page); + __free_page(pp->msi_page); + pp->msi_page = NULL; return; } msi_target = (u64)pp->msi_data; @@ -439,7 +443,7 @@ int dw_pcie_host_init(struct pcie_port *pp) if (ret) pci->num_viewport = 2; - if (IS_ENABLED(CONFIG_PCI_MSI) && pci_msi_enabled()) { + if (pci_msi_enabled()) { /* * If a specific SoC driver needs to change the * default number of vectors, it needs to implement @@ -477,7 +481,7 @@ int dw_pcie_host_init(struct pcie_port *pp) if (pp->ops->host_init) { ret = pp->ops->host_init(pp); if (ret) - goto error; + goto err_free_msi; } pp->root_bus_nr = pp->busn->start; @@ -491,7 +495,7 @@ int dw_pcie_host_init(struct pcie_port *pp) ret = pci_scan_root_bus_bridge(bridge); if (ret) - goto error; + goto err_free_msi; bus = bridge->bus; @@ -507,6 +511,9 @@ int dw_pcie_host_init(struct pcie_port *pp) pci_bus_add_devices(bus); return 0; +err_free_msi: + if (pci_msi_enabled() && !pp->ops->msi_host_init) + dw_pcie_free_msi(pp); error: pci_free_host_bridge(bridge); return ret; diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 5be5f369abf2..70dfe8929b9a 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -164,6 +164,7 @@ struct pcie_port { struct irq_domain *irq_domain; struct irq_domain *msi_domain; dma_addr_t msi_data; + struct page *msi_page; u32 num_vectors; u32 irq_status[MAX_MSI_CTRLS]; raw_spinlock_t lock; diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index 6a4e435bd35f..9b9c677ad3a0 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -892,7 +892,7 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) { struct device *dev = pcie->dev; struct rcar_msi *msi = &pcie->msi; - unsigned long base; + phys_addr_t base; int err, i; mutex_init(&msi->lock); @@ -931,10 +931,14 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) /* setup MSI data target */ msi->pages = __get_free_pages(GFP_KERNEL, 0); + if (!msi->pages) { + err = -ENOMEM; + goto err; + } base = virt_to_phys((void *)msi->pages); - rcar_pci_write_reg(pcie, base | MSIFE, PCIEMSIALR); - rcar_pci_write_reg(pcie, 0, PCIEMSIAUR); + rcar_pci_write_reg(pcie, lower_32_bits(base) | MSIFE, PCIEMSIALR); + rcar_pci_write_reg(pcie, upper_32_bits(base), PCIEMSIAUR); /* enable all MSI interrupts */ rcar_pci_write_reg(pcie, 0xffffffff, PCIEMSIIER); diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c index 7b1389d8e2a5..ea48cba5480b 100644 --- a/drivers/pci/controller/pcie-xilinx.c +++ b/drivers/pci/controller/pcie-xilinx.c @@ -336,14 +336,19 @@ static const struct irq_domain_ops msi_domain_ops = { * xilinx_pcie_enable_msi - Enable MSI support * @port: PCIe port information */ -static void xilinx_pcie_enable_msi(struct xilinx_pcie_port *port) +static int xilinx_pcie_enable_msi(struct xilinx_pcie_port *port) { phys_addr_t msg_addr; port->msi_pages = __get_free_pages(GFP_KERNEL, 0); + if (!port->msi_pages) + return -ENOMEM; + msg_addr = virt_to_phys((void *)port->msi_pages); pcie_write(port, 0x0, XILINX_PCIE_REG_MSIBASE1); pcie_write(port, msg_addr, XILINX_PCIE_REG_MSIBASE2); + + return 0; } /* INTx Functions */ @@ -498,6 +503,7 @@ static int xilinx_pcie_init_irq_domain(struct xilinx_pcie_port *port) struct device *dev = port->dev; struct device_node *node = dev->of_node; struct device_node *pcie_intc_node; + int ret; /* Setup INTx */ pcie_intc_node = of_get_next_child(node, NULL); @@ -526,7 +532,9 @@ static int xilinx_pcie_init_irq_domain(struct xilinx_pcie_port *port) return -ENODEV; } - xilinx_pcie_enable_msi(port); + ret = xilinx_pcie_enable_msi(port); + if (ret) + return ret; } return 0; diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index e2356a9c7088..182f9e3443ee 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -51,6 +51,7 @@ static struct device_node *find_vio_slot_node(char *drc_name) if (rc == 0) break; } + of_node_put(parent); return dn; } @@ -71,6 +72,7 @@ static struct device_node *find_php_slot_pci_node(char *drc_name, return np; } +/* Returns a device_node with its reference count incremented */ static struct device_node *find_dlpar_node(char *drc_name, int *node_type) { struct device_node *dn; @@ -306,6 +308,7 @@ int dlpar_add_slot(char *drc_name) rc = dlpar_add_phb(drc_name, dn); break; } + of_node_put(dn); printk(KERN_INFO "%s: slot %s added\n", DLPAR_MODULE_NAME, drc_name); exit: @@ -439,6 +442,7 @@ int dlpar_remove_slot(char *drc_name) rc = dlpar_remove_pci_slot(drc_name, dn); break; } + of_node_put(dn); vm_unmap_aliases(); printk(KERN_INFO "%s: slot %s removed\n", DLPAR_MODULE_NAME, drc_name); diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index f8436d1c4d45..f7218c1673ce 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -625,7 +625,8 @@ static bool acpi_pci_need_resume(struct pci_dev *dev) if (!adev || !acpi_device_power_manageable(adev)) return false; - if (device_may_wakeup(&dev->dev) != !!adev->wakeup.prepare_count) + if (adev->wakeup.flags.valid && + device_may_wakeup(&dev->dev) != !!adev->wakeup.prepare_count) return true; if (acpi_target_system_state() == ACPI_STATE_S0) diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index c396f3ef1852..ea70bc0b06e9 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -360,7 +360,7 @@ static int switchtec_dev_open(struct inode *inode, struct file *filp) return PTR_ERR(stuser); filp->private_data = stuser; - nonseekable_open(inode, filp); + stream_open(inode, filp); dev_dbg(&stdev->dev, "%s: %p\n", __func__, stuser); @@ -1120,7 +1120,8 @@ static int mask_event(struct switchtec_dev *stdev, int eid, int idx) if (!(hdr & SWITCHTEC_EVENT_OCCURRED && hdr & SWITCHTEC_EVENT_EN_IRQ)) return 0; - if (eid == SWITCHTEC_IOCTL_EVENT_LINK_STATE) + if (eid == SWITCHTEC_IOCTL_EVENT_LINK_STATE || + eid == SWITCHTEC_IOCTL_EVENT_MRPC_COMP) return 0; dev_dbg(&stdev->dev, "%s: %d %d %x\n", __func__, eid, idx, hdr); diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index e5d5b1adb5a9..ac784ac66ac3 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -67,6 +67,17 @@ static int send_command(struct cros_ec_device *ec_dev, else xfer_fxn = ec_dev->cmd_xfer; + if (!xfer_fxn) { + /* + * This error can happen if a communication error happened and + * the EC is trying to use protocol v2, on an underlying + * communication mechanism that does not support v2. + */ + dev_err_once(ec_dev->dev, + "missing EC transfer API, cannot send command\n"); + return -EIO; + } + ret = (*xfer_fxn)(ec_dev, msg); if (msg->result == EC_RES_IN_PROGRESS) { int i; diff --git a/drivers/platform/mellanox/mlxreg-hotplug.c b/drivers/platform/mellanox/mlxreg-hotplug.c index eca16d00e310..d52c821b8584 100644 --- a/drivers/platform/mellanox/mlxreg-hotplug.c +++ b/drivers/platform/mellanox/mlxreg-hotplug.c @@ -673,6 +673,7 @@ static int mlxreg_hotplug_remove(struct platform_device *pdev) /* Clean interrupts setup. */ mlxreg_hotplug_unset_irq(priv); + devm_free_irq(&pdev->dev, priv->irq, priv); return 0; } diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index b6f2ff95c3ed..59f3a37a44d7 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -78,10 +78,12 @@ static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str, static struct quirk_entry quirk_asus_unknown = { .wapf = 0, + .wmi_backlight_set_devstate = true, }; static struct quirk_entry quirk_asus_q500a = { .i8042_filter = asus_q500a_i8042_filter, + .wmi_backlight_set_devstate = true, }; /* @@ -92,26 +94,32 @@ static struct quirk_entry quirk_asus_q500a = { static struct quirk_entry quirk_asus_x55u = { .wapf = 4, .wmi_backlight_power = true, + .wmi_backlight_set_devstate = true, .no_display_toggle = true, }; static struct quirk_entry quirk_asus_wapf4 = { .wapf = 4, + .wmi_backlight_set_devstate = true, }; static struct quirk_entry quirk_asus_x200ca = { .wapf = 2, + .wmi_backlight_set_devstate = true, }; static struct quirk_entry quirk_asus_ux303ub = { .wmi_backlight_native = true, + .wmi_backlight_set_devstate = true, }; static struct quirk_entry quirk_asus_x550lb = { + .wmi_backlight_set_devstate = true, .xusb2pr = 0x01D9, }; static struct quirk_entry quirk_asus_forceals = { + .wmi_backlight_set_devstate = true, .wmi_force_als_set = true, }; diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index db3556dc90d1..22eac449d3a3 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -2231,7 +2231,7 @@ static int asus_wmi_add(struct platform_device *pdev) err = asus_wmi_backlight_init(asus); if (err && err != -ENODEV) goto fail_backlight; - } else + } else if (asus->driver->quirks->wmi_backlight_set_devstate) err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL); status = wmi_install_notify_handler(asus->driver->event_guid, diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index 6c1311f4b04d..57a79bddb286 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -44,6 +44,7 @@ struct quirk_entry { bool store_backlight_power; bool wmi_backlight_power; bool wmi_backlight_native; + bool wmi_backlight_set_devstate; bool wmi_force_als_set; int wapf; /* diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c index 06cd7e818ed5..a0d0cecff55f 100644 --- a/drivers/platform/x86/intel-vbtn.c +++ b/drivers/platform/x86/intel-vbtn.c @@ -76,12 +76,24 @@ static void notify_handler(acpi_handle handle, u32 event, void *context) struct platform_device *device = context; struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev); unsigned int val = !(event & 1); /* Even=press, Odd=release */ - const struct key_entry *ke_rel; + const struct key_entry *ke, *ke_rel; bool autorelease; if (priv->wakeup_mode) { - if (sparse_keymap_entry_from_scancode(priv->input_dev, event)) { + ke = sparse_keymap_entry_from_scancode(priv->input_dev, event); + if (ke) { pm_wakeup_hard_event(&device->dev); + + /* + * Switch events like tablet mode will wake the device + * and report the new switch position to the input + * subsystem. + */ + if (ke->type == KE_SW) + sparse_keymap_report_event(priv->input_dev, + event, + val, + 0); return; } goto out_unknown; diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index e7edc8c63936..4ad9d127f2f5 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -776,13 +776,17 @@ static int ipc_create_pmc_devices(void) if (ret) { dev_err(ipcdev.dev, "Failed to add punit platform device\n"); platform_device_unregister(ipcdev.tco_dev); + return ret; } if (!ipcdev.telem_res_inval) { ret = ipc_create_telemetry_device(); - if (ret) + if (ret) { dev_warn(ipcdev.dev, "Failed to add telemetry platform device\n"); + platform_device_unregister(ipcdev.punit_dev); + platform_device_unregister(ipcdev.tco_dev); + } } return ret; diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index 78b4aa4410fb..742a0c217925 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -1626,7 +1626,7 @@ static int __init mlxplat_init(void) for (i = 0; i < ARRAY_SIZE(mlxplat_mux_data); i++) { priv->pdev_mux[i] = platform_device_register_resndata( - &mlxplat_dev->dev, + &priv->pdev_i2c->dev, "i2c-mux-reg", i, NULL, 0, &mlxplat_mux_data[i], sizeof(mlxplat_mux_data[i])); diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c index c7039f52ad51..b1d804376237 100644 --- a/drivers/platform/x86/pmc_atom.c +++ b/drivers/platform/x86/pmc_atom.c @@ -398,12 +398,45 @@ static int pmc_dbgfs_register(struct pmc_dev *pmc) */ static const struct dmi_system_id critclk_systems[] = { { + /* pmc_plt_clk0 is used for an external HSIC USB HUB */ .ident = "MPL CEC1x", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "MPL AG"), DMI_MATCH(DMI_PRODUCT_NAME, "CEC10 Family"), }, }, + { + /* pmc_plt_clk0 - 3 are used for the 4 ethernet controllers */ + .ident = "Lex 3I380D", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Lex BayTrail"), + DMI_MATCH(DMI_PRODUCT_NAME, "3I380D"), + }, + }, + { + /* pmc_plt_clk* - are used for ethernet controllers */ + .ident = "Beckhoff CB3163", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"), + DMI_MATCH(DMI_BOARD_NAME, "CB3163"), + }, + }, + { + /* pmc_plt_clk* - are used for ethernet controllers */ + .ident = "Beckhoff CB6263", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"), + DMI_MATCH(DMI_BOARD_NAME, "CB6263"), + }, + }, + { + /* pmc_plt_clk* - are used for ethernet controllers */ + .ident = "Beckhoff CB6363", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"), + DMI_MATCH(DMI_BOARD_NAME, "CB6363"), + }, + }, { /*sentinel*/ } }; diff --git a/drivers/power/supply/max14656_charger_detector.c b/drivers/power/supply/max14656_charger_detector.c index b91b1d2999dc..d19307f791c6 100644 --- a/drivers/power/supply/max14656_charger_detector.c +++ b/drivers/power/supply/max14656_charger_detector.c @@ -280,6 +280,13 @@ static int max14656_probe(struct i2c_client *client, INIT_DELAYED_WORK(&chip->irq_work, max14656_irq_worker); + chip->detect_psy = devm_power_supply_register(dev, + &chip->psy_desc, &psy_cfg); + if (IS_ERR(chip->detect_psy)) { + dev_err(dev, "power_supply_register failed\n"); + return -EINVAL; + } + ret = devm_request_irq(dev, chip->irq, max14656_irq, IRQF_TRIGGER_FALLING, MAX14656_NAME, chip); @@ -289,13 +296,6 @@ static int max14656_probe(struct i2c_client *client, } enable_irq_wake(chip->irq); - chip->detect_psy = devm_power_supply_register(dev, - &chip->psy_desc, &psy_cfg); - if (IS_ERR(chip->detect_psy)) { - dev_err(dev, "power_supply_register failed\n"); - return -EINVAL; - } - schedule_delayed_work(&chip->irq_work, msecs_to_jiffies(2000)); return 0; diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 1581f6ab1b1f..c45e5719ba17 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -311,10 +311,12 @@ int pwmchip_add_with_polarity(struct pwm_chip *chip, if (IS_ENABLED(CONFIG_OF)) of_pwmchip_add(chip); - pwmchip_sysfs_export(chip); - out: mutex_unlock(&pwm_lock); + + if (!ret) + pwmchip_sysfs_export(chip); + return ret; } EXPORT_SYMBOL_GPL(pwmchip_add_with_polarity); @@ -348,7 +350,7 @@ int pwmchip_remove(struct pwm_chip *chip) unsigned int i; int ret = 0; - pwmchip_sysfs_unexport_children(chip); + pwmchip_sysfs_unexport(chip); mutex_lock(&pwm_lock); @@ -368,8 +370,6 @@ int pwmchip_remove(struct pwm_chip *chip) free_pwms(chip); - pwmchip_sysfs_unexport(chip); - out: mutex_unlock(&pwm_lock); return ret; diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index c1ed641b3e26..f6e738ad7bd9 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -111,6 +111,10 @@ struct meson_pwm { const struct meson_pwm_data *data; void __iomem *base; u8 inverter_mask; + /* + * Protects register (write) access to the REG_MISC_AB register + * that is shared between the two PWMs. + */ spinlock_t lock; }; @@ -235,6 +239,7 @@ static void meson_pwm_enable(struct meson_pwm *meson, { u32 value, clk_shift, clk_enable, enable; unsigned int offset; + unsigned long flags; switch (id) { case 0: @@ -255,6 +260,8 @@ static void meson_pwm_enable(struct meson_pwm *meson, return; } + spin_lock_irqsave(&meson->lock, flags); + value = readl(meson->base + REG_MISC_AB); value &= ~(MISC_CLK_DIV_MASK << clk_shift); value |= channel->pre_div << clk_shift; @@ -267,11 +274,14 @@ static void meson_pwm_enable(struct meson_pwm *meson, value = readl(meson->base + REG_MISC_AB); value |= enable; writel(value, meson->base + REG_MISC_AB); + + spin_unlock_irqrestore(&meson->lock, flags); } static void meson_pwm_disable(struct meson_pwm *meson, unsigned int id) { u32 value, enable; + unsigned long flags; switch (id) { case 0: @@ -286,9 +296,13 @@ static void meson_pwm_disable(struct meson_pwm *meson, unsigned int id) return; } + spin_lock_irqsave(&meson->lock, flags); + value = readl(meson->base + REG_MISC_AB); value &= ~enable; writel(value, meson->base + REG_MISC_AB); + + spin_unlock_irqrestore(&meson->lock, flags); } static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, @@ -296,19 +310,16 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, { struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); struct meson_pwm *meson = to_meson_pwm(chip); - unsigned long flags; int err = 0; if (!state) return -EINVAL; - spin_lock_irqsave(&meson->lock, flags); - if (!state->enabled) { meson_pwm_disable(meson, pwm->hwpwm); channel->state.enabled = false; - goto unlock; + return 0; } if (state->period != channel->state.period || @@ -329,7 +340,7 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, err = meson_pwm_calc(meson, channel, pwm->hwpwm, state->duty_cycle, state->period); if (err < 0) - goto unlock; + return err; channel->state.polarity = state->polarity; channel->state.period = state->period; @@ -341,9 +352,7 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, channel->state.enabled = true; } -unlock: - spin_unlock_irqrestore(&meson->lock, flags); - return err; + return 0; } static void meson_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index f7b8a86fa5c5..ad4a40c0f27c 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -382,6 +382,8 @@ static void ehrpwm_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) } /* Update shadow register first before modifying active register */ + ehrpwm_modify(pc->mmio_base, AQSFRC, AQSFRC_RLDCSF_MASK, + AQSFRC_RLDCSF_ZRO); ehrpwm_modify(pc->mmio_base, AQCSFRC, aqcsfrc_mask, aqcsfrc_val); /* * Changes to immediate action on Action Qualifier. This puts diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c index 7c71cdb8a9d8..1c64fd8e9234 100644 --- a/drivers/pwm/sysfs.c +++ b/drivers/pwm/sysfs.c @@ -401,19 +401,6 @@ void pwmchip_sysfs_export(struct pwm_chip *chip) void pwmchip_sysfs_unexport(struct pwm_chip *chip) { struct device *parent; - - parent = class_find_device(&pwm_class, NULL, chip, - pwmchip_sysfs_match); - if (parent) { - /* for class_find_device() */ - put_device(parent); - device_unregister(parent); - } -} - -void pwmchip_sysfs_unexport_children(struct pwm_chip *chip) -{ - struct device *parent; unsigned int i; parent = class_find_device(&pwm_class, NULL, chip, @@ -429,6 +416,7 @@ void pwmchip_sysfs_unexport_children(struct pwm_chip *chip) } put_device(parent); + device_unregister(parent); } static int __init pwm_sysfs_init(void) diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c index bad0e0ea4f30..ef989a15aefc 100644 --- a/drivers/rapidio/rio_cm.c +++ b/drivers/rapidio/rio_cm.c @@ -2145,6 +2145,14 @@ static int riocm_add_mport(struct device *dev, mutex_init(&cm->rx_lock); riocm_rx_fill(cm, RIOCM_RX_RING_SIZE); cm->rx_wq = create_workqueue(DRV_NAME "/rxq"); + if (!cm->rx_wq) { + riocm_error("failed to allocate IBMBOX_%d on %s", + cmbox, mport->name); + rio_release_outb_mbox(mport, cmbox); + kfree(cm); + return -ENOMEM; + } + INIT_WORK(&cm->rx_work, rio_ibmsg_handler); cm->tx_slot = 0; diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c index 2d9ec378a8bc..f85d6b7a1984 100644 --- a/drivers/ras/cec.c +++ b/drivers/ras/cec.c @@ -2,6 +2,7 @@ #include <linux/mm.h> #include <linux/gfp.h> #include <linux/kernel.h> +#include <linux/workqueue.h> #include <asm/mce.h> @@ -123,16 +124,12 @@ static u64 dfs_pfn; /* Amount of errors after which we offline */ static unsigned int count_threshold = COUNT_MASK; -/* - * The timer "decays" element count each timer_interval which is 24hrs by - * default. - */ - -#define CEC_TIMER_DEFAULT_INTERVAL 24 * 60 * 60 /* 24 hrs */ -#define CEC_TIMER_MIN_INTERVAL 1 * 60 * 60 /* 1h */ -#define CEC_TIMER_MAX_INTERVAL 30 * 24 * 60 * 60 /* one month */ -static struct timer_list cec_timer; -static u64 timer_interval = CEC_TIMER_DEFAULT_INTERVAL; +/* Each element "decays" each decay_interval which is 24hrs by default. */ +#define CEC_DECAY_DEFAULT_INTERVAL 24 * 60 * 60 /* 24 hrs */ +#define CEC_DECAY_MIN_INTERVAL 1 * 60 * 60 /* 1h */ +#define CEC_DECAY_MAX_INTERVAL 30 * 24 * 60 * 60 /* one month */ +static struct delayed_work cec_work; +static u64 decay_interval = CEC_DECAY_DEFAULT_INTERVAL; /* * Decrement decay value. We're using DECAY_BITS bits to denote decay of an @@ -160,20 +157,21 @@ static void do_spring_cleaning(struct ce_array *ca) /* * @interval in seconds */ -static void cec_mod_timer(struct timer_list *t, unsigned long interval) +static void cec_mod_work(unsigned long interval) { unsigned long iv; - iv = interval * HZ + jiffies; - - mod_timer(t, round_jiffies(iv)); + iv = interval * HZ; + mod_delayed_work(system_wq, &cec_work, round_jiffies(iv)); } -static void cec_timer_fn(struct timer_list *unused) +static void cec_work_fn(struct work_struct *work) { + mutex_lock(&ce_mutex); do_spring_cleaning(&ce_arr); + mutex_unlock(&ce_mutex); - cec_mod_timer(&cec_timer, timer_interval); + cec_mod_work(decay_interval); } /* @@ -183,32 +181,38 @@ static void cec_timer_fn(struct timer_list *unused) */ static int __find_elem(struct ce_array *ca, u64 pfn, unsigned int *to) { + int min = 0, max = ca->n - 1; u64 this_pfn; - int min = 0, max = ca->n; - while (min < max) { - int tmp = (max + min) >> 1; + while (min <= max) { + int i = (min + max) >> 1; - this_pfn = PFN(ca->array[tmp]); + this_pfn = PFN(ca->array[i]); if (this_pfn < pfn) - min = tmp + 1; + min = i + 1; else if (this_pfn > pfn) - max = tmp; - else { - min = tmp; - break; + max = i - 1; + else if (this_pfn == pfn) { + if (to) + *to = i; + + return i; } } + /* + * When the loop terminates without finding @pfn, min has the index of + * the element slot where the new @pfn should be inserted. The loop + * terminates when min > max, which means the min index points to the + * bigger element while the max index to the smaller element, in-between + * which the new @pfn belongs to. + * + * For more details, see exercise 1, Section 6.2.1 in TAOCP, vol. 3. + */ if (to) *to = min; - this_pfn = PFN(ca->array[min]); - - if (this_pfn == pfn) - return min; - return -ENOKEY; } @@ -374,15 +378,15 @@ static int decay_interval_set(void *data, u64 val) { *(u64 *)data = val; - if (val < CEC_TIMER_MIN_INTERVAL) + if (val < CEC_DECAY_MIN_INTERVAL) return -EINVAL; - if (val > CEC_TIMER_MAX_INTERVAL) + if (val > CEC_DECAY_MAX_INTERVAL) return -EINVAL; - timer_interval = val; + decay_interval = val; - cec_mod_timer(&cec_timer, timer_interval); + cec_mod_work(decay_interval); return 0; } DEFINE_DEBUGFS_ATTRIBUTE(decay_interval_ops, u64_get, decay_interval_set, "%lld\n"); @@ -426,7 +430,7 @@ static int array_dump(struct seq_file *m, void *v) seq_printf(m, "Flags: 0x%x\n", ca->flags); - seq_printf(m, "Timer interval: %lld seconds\n", timer_interval); + seq_printf(m, "Decay interval: %lld seconds\n", decay_interval); seq_printf(m, "Decays: %lld\n", ca->decays_done); seq_printf(m, "Action threshold: %d\n", count_threshold); @@ -472,7 +476,7 @@ static int __init create_debugfs_nodes(void) } decay = debugfs_create_file("decay_interval", S_IRUSR | S_IWUSR, d, - &timer_interval, &decay_interval_ops); + &decay_interval, &decay_interval_ops); if (!decay) { pr_warn("Error creating decay_interval debugfs node!\n"); goto err; @@ -508,8 +512,8 @@ void __init cec_init(void) if (create_debugfs_nodes()) return; - timer_setup(&cec_timer, cec_timer_fn, 0); - cec_mod_timer(&cec_timer, CEC_TIMER_DEFAULT_INTERVAL); + INIT_DELAYED_WORK(&cec_work, cec_work_fn); + schedule_delayed_work(&cec_work, CEC_DECAY_DEFAULT_INTERVAL); pr_info("Correctable Errors collector initialized.\n"); } diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c index 453615f8ac9a..3fcd2cbafc84 100644 --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c @@ -85,6 +85,18 @@ static int pcf8523_write(struct i2c_client *client, u8 reg, u8 value) return 0; } +static int pcf8523_voltage_low(struct i2c_client *client) +{ + u8 value; + int err; + + err = pcf8523_read(client, REG_CONTROL3, &value); + if (err < 0) + return err; + + return !!(value & REG_CONTROL3_BLF); +} + static int pcf8523_select_capacitance(struct i2c_client *client, bool high) { u8 value; @@ -167,6 +179,14 @@ static int pcf8523_rtc_read_time(struct device *dev, struct rtc_time *tm) struct i2c_msg msgs[2]; int err; + err = pcf8523_voltage_low(client); + if (err < 0) { + return err; + } else if (err > 0) { + dev_err(dev, "low voltage detected, time is unreliable\n"); + return -EINVAL; + } + msgs[0].addr = client->addr; msgs[0].flags = 0; msgs[0].len = 1; @@ -251,17 +271,13 @@ static int pcf8523_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { struct i2c_client *client = to_i2c_client(dev); - u8 value; - int ret = 0, err; + int ret; switch (cmd) { case RTC_VL_READ: - err = pcf8523_read(client, REG_CONTROL3, &value); - if (err < 0) - return err; - - if (value & REG_CONTROL3_BLF) - ret = 1; + ret = pcf8523_voltage_low(client); + if (ret < 0) + return ret; if (copy_to_user((void __user *)arg, &ret, sizeof(int))) return -EFAULT; diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index b7513c5848cf..c1c35eccd5b6 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1901,7 +1901,7 @@ static void qeth_bridgeport_an_set_cb(void *priv, l2entry = (struct qdio_brinfo_entry_l2 *)entry; code = IPA_ADDR_CHANGE_CODE_MACADDR; - if (l2entry->addr_lnid.lnid) + if (l2entry->addr_lnid.lnid < VLAN_N_VID) code |= IPA_ADDR_CHANGE_CODE_VLANID; qeth_bridge_emit_host_event(card, anev_reg_unreg, code, (struct net_if_token *)&l2entry->nit, diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index e8ae4d671d23..097305949a95 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -830,7 +830,7 @@ ret_err_rqe: ((u64)err_entry->data.err_warn_bitmap_hi << 32) | (u64)err_entry->data.err_warn_bitmap_lo; for (i = 0; i < BNX2FC_NUM_ERR_BITS; i++) { - if (err_warn_bit_map & (u64) (1 << i)) { + if (err_warn_bit_map & ((u64)1 << i)) { err_warn = i; break; } diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index f2c561ca731a..cd2c247d6d0c 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -641,6 +641,10 @@ cxgbi_check_route(struct sockaddr *dst_addr, int ifindex) if (ndev->flags & IFF_LOOPBACK) { ndev = ip_dev_find(&init_net, daddr->sin_addr.s_addr); + if (!ndev) { + err = -ENETUNREACH; + goto rel_neigh; + } mtu = ndev->mtu; pr_info("rt dev %s, loopback -> %s, mtu %u.\n", n->dev->name, ndev->name, mtu); diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 12dc7100bb4c..d1154baa9436 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -1173,10 +1173,8 @@ static int __init alua_init(void) int r; kaluad_wq = alloc_workqueue("kaluad", WQ_MEM_RECLAIM, 0); - if (!kaluad_wq) { - /* Temporary failure, bypass */ - return SCSI_DH_DEV_TEMP_BUSY; - } + if (!kaluad_wq) + return -ENOMEM; r = scsi_register_device_handler(&alua_dh); if (r != 0) { diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index c120929d4ffe..c43eccdea65d 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4923,7 +4923,7 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h, curr_sg->reserved[0] = 0; curr_sg->reserved[1] = 0; curr_sg->reserved[2] = 0; - curr_sg->chain_indicator = 0x80; + curr_sg->chain_indicator = IOACCEL2_CHAIN; curr_sg = h->ioaccel2_cmd_sg_list[c->cmdindex]; } @@ -4940,6 +4940,11 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h, curr_sg++; } + /* + * Set the last s/g element bit + */ + (curr_sg - 1)->chain_indicator = IOACCEL2_LAST_SG; + switch (cmd->sc_data_direction) { case DMA_TO_DEVICE: cp->direction &= ~IOACCEL2_DIRECTION_MASK; diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 21a726e2eec6..f6afca4b2319 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -517,6 +517,7 @@ struct ioaccel2_sg_element { u8 reserved[3]; u8 chain_indicator; #define IOACCEL2_CHAIN 0x80 +#define IOACCEL2_LAST_SG 0x40 }; /* diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 231eb79efa32..b141d1061f38 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -989,6 +989,8 @@ static struct domain_device *sas_ex_discover_expander( list_del(&child->dev_list_node); spin_unlock_irq(&parent->port->dev_list_lock); sas_put_device(child); + sas_port_delete(phy->port); + phy->port = NULL; return NULL; } list_add_tail(&child->siblings, &parent->ex_dev.children); diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index cb19b12e7211..55cd96e2469c 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -341,7 +341,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, phba->sli4_hba.scsi_xri_max, lpfc_sli4_get_els_iocb_cnt(phba)); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; /* Port state is only one of two values for now. */ if (localport->port_id) @@ -357,7 +357,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, wwn_to_u64(vport->fc_nodename.u.wwn), localport->port_id, statep); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { nrport = NULL; @@ -384,39 +384,39 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, /* Tab in to show lport ownership. */ if (strlcat(buf, "NVME RPORT ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; if (phba->brd_no >= 10) { if (strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } scnprintf(tmp, sizeof(tmp), "WWPN x%llx ", nrport->port_name); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; scnprintf(tmp, sizeof(tmp), "WWNN x%llx ", nrport->node_name); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; scnprintf(tmp, sizeof(tmp), "DID x%06x ", nrport->port_id); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; /* An NVME rport can have multiple roles. */ if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) { if (strlcat(buf, "INITIATOR ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) { if (strlcat(buf, "TARGET ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) { if (strlcat(buf, "DISCSRVC ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR | FC_PORT_ROLE_NVME_TARGET | @@ -424,12 +424,12 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, scnprintf(tmp, sizeof(tmp), "UNKNOWN ROLE x%x", nrport->port_role); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } scnprintf(tmp, sizeof(tmp), "%s\n", statep); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } rcu_read_unlock(); @@ -491,7 +491,13 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, atomic_read(&lport->cmpl_fcp_err)); strlcat(buf, tmp, PAGE_SIZE); -buffer_done: + /* RCU is already unlocked. */ + goto buffer_done; + + rcu_unlock_buf_done: + rcu_read_unlock(); + + buffer_done: len = strnlen(buf, PAGE_SIZE); if (unlikely(len >= (PAGE_SIZE - 1))) { diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 0d214e6b8e9a..f3c6801c0b31 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -7094,7 +7094,10 @@ int lpfc_send_rrq(struct lpfc_hba *phba, struct lpfc_node_rrq *rrq) { struct lpfc_nodelist *ndlp = lpfc_findnode_did(rrq->vport, - rrq->nlp_DID); + rrq->nlp_DID); + if (!ndlp) + return 1; + if (lpfc_test_rrq_active(phba, ndlp, rrq->xritag)) return lpfc_issue_els_rrq(rrq->vport, ndlp, rrq->nlp_DID, rrq); diff --git a/drivers/scsi/qedi/qedi_dbg.c b/drivers/scsi/qedi/qedi_dbg.c index 8fd28b056f73..3383314a3882 100644 --- a/drivers/scsi/qedi/qedi_dbg.c +++ b/drivers/scsi/qedi/qedi_dbg.c @@ -16,10 +16,6 @@ qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line, { va_list va; struct va_format vaf; - char nfunc[32]; - - memset(nfunc, 0, sizeof(nfunc)); - memcpy(nfunc, func, sizeof(nfunc) - 1); va_start(va, fmt); @@ -28,9 +24,9 @@ qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line, if (likely(qedi) && likely(qedi->pdev)) pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev), - nfunc, line, qedi->host_no, &vaf); + func, line, qedi->host_no, &vaf); else - pr_err("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf); + pr_err("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf); va_end(va); } @@ -41,10 +37,6 @@ qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line, { va_list va; struct va_format vaf; - char nfunc[32]; - - memset(nfunc, 0, sizeof(nfunc)); - memcpy(nfunc, func, sizeof(nfunc) - 1); va_start(va, fmt); @@ -56,9 +48,9 @@ qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line, if (likely(qedi) && likely(qedi->pdev)) pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev), - nfunc, line, qedi->host_no, &vaf); + func, line, qedi->host_no, &vaf); else - pr_warn("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf); + pr_warn("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf); ret: va_end(va); @@ -70,10 +62,6 @@ qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line, { va_list va; struct va_format vaf; - char nfunc[32]; - - memset(nfunc, 0, sizeof(nfunc)); - memcpy(nfunc, func, sizeof(nfunc) - 1); va_start(va, fmt); @@ -85,10 +73,10 @@ qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line, if (likely(qedi) && likely(qedi->pdev)) pr_notice("[%s]:[%s:%d]:%d: %pV", - dev_name(&qedi->pdev->dev), nfunc, line, + dev_name(&qedi->pdev->dev), func, line, qedi->host_no, &vaf); else - pr_notice("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf); + pr_notice("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf); ret: va_end(va); @@ -100,10 +88,6 @@ qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line, { va_list va; struct va_format vaf; - char nfunc[32]; - - memset(nfunc, 0, sizeof(nfunc)); - memcpy(nfunc, func, sizeof(nfunc) - 1); va_start(va, fmt); @@ -115,9 +99,9 @@ qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line, if (likely(qedi) && likely(qedi->pdev)) pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev), - nfunc, line, qedi->host_no, &vaf); + func, line, qedi->host_no, &vaf); else - pr_info("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf); + pr_info("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf); ret: va_end(va); diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 4130b9117055..1b7049dce169 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -810,8 +810,6 @@ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, struct qedi_endpoint *qedi_ep; struct sockaddr_in *addr; struct sockaddr_in6 *addr6; - struct qed_dev *cdev = NULL; - struct qedi_uio_dev *udev = NULL; struct iscsi_path path_req; u32 msg_type = ISCSI_KEVENT_IF_DOWN; u32 iscsi_cid = QEDI_CID_RESERVED; @@ -831,8 +829,6 @@ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, } qedi = iscsi_host_priv(shost); - cdev = qedi->cdev; - udev = qedi->udev; if (test_bit(QEDI_IN_OFFLINE, &qedi->flags) || test_bit(QEDI_IN_RECOVERY, &qedi->flags)) { diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 4de740da547b..763c7628356b 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -955,6 +955,9 @@ static int qedi_find_boot_info(struct qedi_ctx *qedi, if (!iscsi_is_session_online(cls_sess)) continue; + if (!sess->targetname) + continue; + if (pri_ctrl_flags) { if (!strcmp(pri_tgt->iscsi_name, sess->targetname) && !strcmp(pri_tgt->ip_addr, ep_ip_addr)) { diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index de3f2a097451..1f1a05a90d3d 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -3261,6 +3261,8 @@ static void qla24xx_async_gpsc_sp_done(void *s, int res) "Async done-%s res %x, WWPN %8phC \n", sp->name, res, fcport->port_name); + fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); + if (res == QLA_FUNCTION_TIMEOUT) return; @@ -4604,6 +4606,7 @@ int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) done_free_sp: sp->free(sp); + fcport->flags &= ~FCF_ASYNC_SENT; done: return rval; } diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 3781e8109dd7..98f2d076f938 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -3697,8 +3697,10 @@ static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, return -ETIMEDOUT; msecs_blocked = jiffies_to_msecs(jiffies - start_jiffies); - if (msecs_blocked >= timeout_msecs) - return -ETIMEDOUT; + if (msecs_blocked >= timeout_msecs) { + rc = -ETIMEDOUT; + goto out; + } timeout_msecs -= msecs_blocked; } } @@ -6378,7 +6380,7 @@ static int pqi_pci_init(struct pqi_ctrl_info *ctrl_info) else mask = DMA_BIT_MASK(32); - rc = dma_set_mask(&ctrl_info->pci_dev->dev, mask); + rc = dma_set_mask_and_coherent(&ctrl_info->pci_dev->dev, mask); if (rc) { dev_err(&ctrl_info->pci_dev->dev, "failed to set DMA mask\n"); goto disable_device; diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index 895a9b5ac989..30c22e16b1e3 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -340,24 +340,21 @@ int ufshcd_pltfrm_init(struct platform_device *pdev, goto dealloc_host; } - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); - ufshcd_init_lanes_per_dir(hba); err = ufshcd_init(hba, mmio_base, irq); if (err) { dev_err(dev, "Initialization failed\n"); - goto out_disable_rpm; + goto dealloc_host; } platform_set_drvdata(pdev, hba); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + return 0; -out_disable_rpm: - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); dealloc_host: ufshcd_dealloc_host(hba); out: diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 3183fa8c5857..b8b59cfeacd1 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1914,7 +1914,8 @@ int ufshcd_copy_query_response(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) memcpy(&query_res->upiu_res, &lrbp->ucd_rsp_ptr->qr, QUERY_OSF_SIZE); /* Get the descriptor */ - if (lrbp->ucd_rsp_ptr->qr.opcode == UPIU_QUERY_OPCODE_READ_DESC) { + if (hba->dev_cmd.query.descriptor && + lrbp->ucd_rsp_ptr->qr.opcode == UPIU_QUERY_OPCODE_READ_DESC) { u8 *descp = (u8 *)lrbp->ucd_rsp_ptr + GENERAL_UPIU_REQUEST_SIZE; u16 resp_len; diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 890b8aaf95e1..64eb8ffb2ddf 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -763,6 +763,7 @@ static int pvscsi_queue_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd struct pvscsi_adapter *adapter = shost_priv(host); struct pvscsi_ctx *ctx; unsigned long flags; + unsigned char op; spin_lock_irqsave(&adapter->hw_lock, flags); @@ -775,13 +776,14 @@ static int pvscsi_queue_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd } cmd->scsi_done = done; + op = cmd->cmnd[0]; dev_dbg(&cmd->device->sdev_gendev, - "queued cmd %p, ctx %p, op=%x\n", cmd, ctx, cmd->cmnd[0]); + "queued cmd %p, ctx %p, op=%x\n", cmd, ctx, op); spin_unlock_irqrestore(&adapter->hw_lock, flags); - pvscsi_kick_io(adapter, cmd->cmnd[0]); + pvscsi_kick_io(adapter, op); return 0; } diff --git a/drivers/soc/bcm/brcmstb/biuctrl.c b/drivers/soc/bcm/brcmstb/biuctrl.c index 6d89ebf13b8a..20b63bee5b09 100644 --- a/drivers/soc/bcm/brcmstb/biuctrl.c +++ b/drivers/soc/bcm/brcmstb/biuctrl.c @@ -56,7 +56,7 @@ static inline void cbc_writel(u32 val, int reg) if (offset == -1) return; - writel_relaxed(val, cpubiuctrl_base + offset); + writel(val, cpubiuctrl_base + offset); } enum cpubiuctrl_regs { @@ -246,7 +246,9 @@ static int __init brcmstb_biuctrl_init(void) if (!np) return 0; - setup_hifcpubiuctrl_regs(np); + ret = setup_hifcpubiuctrl_regs(np); + if (ret) + return ret; ret = mcp_write_pairing_set(); if (ret) { diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index 4e931fdf4d09..011a40b5fb49 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -1104,7 +1104,7 @@ static bool pwrap_is_pmic_cipher_ready(struct pmic_wrapper *wrp) static int pwrap_init_cipher(struct pmic_wrapper *wrp) { int ret; - u32 rdata; + u32 rdata = 0; pwrap_writel(wrp, 0x1, PWRAP_CIPHER_SWRST); pwrap_writel(wrp, 0x0, PWRAP_CIPHER_SWRST); diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c index d44d0e687ab8..2a43d6e99962 100644 --- a/drivers/soc/renesas/renesas-soc.c +++ b/drivers/soc/renesas/renesas-soc.c @@ -285,6 +285,9 @@ static int __init renesas_soc_init(void) /* R-Car M3-W ES1.1 incorrectly identifies as ES2.0 */ if ((product & 0x7fff) == 0x5210) product ^= 0x11; + /* R-Car M3-W ES1.3 incorrectly identifies as ES2.1 */ + if ((product & 0x7fff) == 0x5211) + product ^= 0x12; if (soc->id && ((product >> 8) & 0xff) != soc->id) { pr_warn("SoC mismatch (product = 0x%x)\n", product); return -ENODEV; diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c index 96882ffde67e..3b81e1d75a97 100644 --- a/drivers/soc/rockchip/grf.c +++ b/drivers/soc/rockchip/grf.c @@ -66,9 +66,11 @@ static const struct rockchip_grf_info rk3228_grf __initconst = { }; #define RK3288_GRF_SOC_CON0 0x244 +#define RK3288_GRF_SOC_CON2 0x24c static const struct rockchip_grf_value rk3288_defaults[] __initconst = { { "jtag switching", RK3288_GRF_SOC_CON0, HIWORD_UPDATE(0, 1, 12) }, + { "pwm select", RK3288_GRF_SOC_CON2, HIWORD_UPDATE(1, 1, 0) }, }; static const struct rockchip_grf_info rk3288_grf __initconst = { diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 0a8990e758f9..a6e2581ada70 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -651,8 +651,8 @@ static int intel_create_dai(struct sdw_cdns *cdns, return -ENOMEM; } - dais[i].playback.channels_min = 1; - dais[i].playback.channels_max = max_ch; + dais[i].capture.channels_min = 1; + dais[i].capture.channels_max = max_ch; dais[i].capture.rates = SNDRV_PCM_RATE_48000; dais[i].capture.formats = SNDRV_PCM_FMTBIT_S16_LE; } diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index e5c7e1ef6318..907a548645b7 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1236,9 +1236,7 @@ struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave, } for (i = 0; i < num_ports; i++) { - dpn_prop = &dpn_prop[i]; - - if (dpn_prop->num == port_num) + if (dpn_prop[i].num == port_num) return &dpn_prop[i]; } diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c index f29176000b8d..06cf9388e74f 100644 --- a/drivers/spi/spi-bitbang.c +++ b/drivers/spi/spi-bitbang.c @@ -416,7 +416,7 @@ int spi_bitbang_start(struct spi_bitbang *bitbang) if (ret) spi_master_put(master); - return 0; + return ret; } EXPORT_SYMBOL_GPL(spi_bitbang_start); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 729be74621e3..f41333817c50 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1416,12 +1416,7 @@ static const struct pci_device_id pxa2xx_spi_pci_compound_match[] = { static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param) { - struct device *dev = param; - - if (dev != chan->device->dev->parent) - return false; - - return true; + return param == chan->device->dev; } static struct pxa2xx_spi_master * diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index fdcf3076681b..b56619418cea 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -22,6 +22,7 @@ #include <linux/spi/spi.h> #include <linux/pm_runtime.h> #include <linux/scatterlist.h> +#include <linux/interrupt.h> #define DRIVER_NAME "rockchip-spi" diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c index 08ffe26c5d43..0f16e85911f2 100644 --- a/drivers/staging/comedi/drivers/amplc_pci230.c +++ b/drivers/staging/comedi/drivers/amplc_pci230.c @@ -2330,7 +2330,8 @@ static irqreturn_t pci230_interrupt(int irq, void *d) devpriv->intr_running = false; spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags); - comedi_handle_events(dev, s_ao); + if (s_ao) + comedi_handle_events(dev, s_ao); comedi_handle_events(dev, s_ai); return IRQ_HANDLED; diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index 3be927f1d3a9..e15e33ed94ae 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -557,7 +557,8 @@ static irqreturn_t dt282x_interrupt(int irq, void *d) } #endif comedi_handle_events(dev, s); - comedi_handle_events(dev, s_ao); + if (s_ao) + comedi_handle_events(dev, s_ao); return IRQ_RETVAL(handled); } diff --git a/drivers/staging/erofs/erofs_fs.h b/drivers/staging/erofs/erofs_fs.h index 2f8e2bf70941..7677da889f12 100644 --- a/drivers/staging/erofs/erofs_fs.h +++ b/drivers/staging/erofs/erofs_fs.h @@ -17,10 +17,16 @@ #define EROFS_SUPER_MAGIC_V1 0xE0F5E1E2 #define EROFS_SUPER_OFFSET 1024 +/* + * Any bits that aren't in EROFS_ALL_REQUIREMENTS should be + * incompatible with this kernel version. + */ +#define EROFS_ALL_REQUIREMENTS 0 + struct erofs_super_block { /* 0 */__le32 magic; /* in the little endian */ /* 4 */__le32 checksum; /* crc32c(super_block) */ -/* 8 */__le32 features; +/* 8 */__le32 features; /* (aka. feature_compat) */ /* 12 */__u8 blkszbits; /* support block_size == PAGE_SIZE only */ /* 13 */__u8 reserved; @@ -34,9 +40,10 @@ struct erofs_super_block { /* 44 */__le32 xattr_blkaddr; /* 48 */__u8 uuid[16]; /* 128-bit uuid for volume */ /* 64 */__u8 volume_name[16]; /* volume name */ +/* 80 */__le32 requirements; /* (aka. feature_incompat) */ -/* 80 */__u8 reserved2[48]; /* 128 bytes */ -} __packed; +/* 84 */__u8 reserved2[44]; +} __packed; /* 128 bytes */ #define __EROFS_BIT(_prefix, _cur, _pre) enum { \ _prefix ## _cur ## _BIT = _prefix ## _pre ## _BIT + \ diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index 58d8cbc3f921..8ce37091db20 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -111,6 +111,8 @@ struct erofs_sb_info { u8 uuid[16]; /* 128-bit uuid for volume */ u8 volume_name[16]; /* volume name */ + u32 requirements; + char *dev_name; unsigned int mount_opt; diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c index b0583cdb079a..b49ebdf6ebda 100644 --- a/drivers/staging/erofs/super.c +++ b/drivers/staging/erofs/super.c @@ -75,6 +75,22 @@ static void destroy_inode(struct inode *inode) call_rcu(&inode->i_rcu, i_callback); } +static bool check_layout_compatibility(struct super_block *sb, + struct erofs_super_block *layout) +{ + const unsigned int requirements = le32_to_cpu(layout->requirements); + + EROFS_SB(sb)->requirements = requirements; + + /* check if current kernel meets all mandatory requirements */ + if (requirements & (~EROFS_ALL_REQUIREMENTS)) { + errln("unidentified requirements %x, please upgrade kernel version", + requirements & ~EROFS_ALL_REQUIREMENTS); + return false; + } + return true; +} + static int superblock_read(struct super_block *sb) { struct erofs_sb_info *sbi; @@ -108,6 +124,9 @@ static int superblock_read(struct super_block *sb) goto out; } + if (!check_layout_compatibility(sb, layout)) + goto out; + sbi->blocks = le32_to_cpu(layout->blocks); sbi->meta_blkaddr = le32_to_cpu(layout->meta_blkaddr); #ifdef CONFIG_EROFS_FS_XATTR diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c index ecdd3d84f956..8549e809363e 100644 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c @@ -1073,6 +1073,7 @@ static int port_switchdev_event(struct notifier_block *unused, dev_hold(dev); break; default: + kfree(switchdev_work); return NOTIFY_DONE; } diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index d16084d7068c..a354ce6b2b7b 100644 --- a/drivers/staging/iio/cdc/ad7150.c +++ b/drivers/staging/iio/cdc/ad7150.c @@ -6,6 +6,7 @@ * Licensed under the GPL-2 or later. */ +#include <linux/bitfield.h> #include <linux/interrupt.h> #include <linux/device.h> #include <linux/kernel.h> @@ -130,7 +131,7 @@ static int ad7150_read_event_config(struct iio_dev *indio_dev, { int ret; u8 threshtype; - bool adaptive; + bool thrfixed; struct ad7150_chip_info *chip = iio_priv(indio_dev); ret = i2c_smbus_read_byte_data(chip->client, AD7150_CFG); @@ -138,21 +139,23 @@ static int ad7150_read_event_config(struct iio_dev *indio_dev, return ret; threshtype = (ret >> 5) & 0x03; - adaptive = !!(ret & 0x80); + + /*check if threshold mode is fixed or adaptive*/ + thrfixed = FIELD_GET(AD7150_CFG_FIX, ret); switch (type) { case IIO_EV_TYPE_MAG_ADAPTIVE: if (dir == IIO_EV_DIR_RISING) - return adaptive && (threshtype == 0x1); - return adaptive && (threshtype == 0x0); + return !thrfixed && (threshtype == 0x1); + return !thrfixed && (threshtype == 0x0); case IIO_EV_TYPE_THRESH_ADAPTIVE: if (dir == IIO_EV_DIR_RISING) - return adaptive && (threshtype == 0x3); - return adaptive && (threshtype == 0x2); + return !thrfixed && (threshtype == 0x3); + return !thrfixed && (threshtype == 0x2); case IIO_EV_TYPE_THRESH: if (dir == IIO_EV_DIR_RISING) - return !adaptive && (threshtype == 0x1); - return !adaptive && (threshtype == 0x0); + return thrfixed && (threshtype == 0x1); + return thrfixed && (threshtype == 0x0); default: break; } diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c index c3ff7c3e6681..2f490a4bf60a 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c @@ -141,10 +141,91 @@ static inline void handle_group_key(struct ieee_param *param, } } -static noinline_for_stack char *translate_scan(struct _adapter *padapter, - struct iw_request_info *info, - struct wlan_network *pnetwork, - char *start, char *stop) +static noinline_for_stack char *translate_scan_wpa(struct iw_request_info *info, + struct wlan_network *pnetwork, + struct iw_event *iwe, + char *start, char *stop) +{ + /* parsing WPA/WPA2 IE */ + u8 buf[MAX_WPA_IE_LEN]; + u8 wpa_ie[255], rsn_ie[255]; + u16 wpa_len = 0, rsn_len = 0; + int n, i; + + r8712_get_sec_ie(pnetwork->network.IEs, + pnetwork->network.IELength, rsn_ie, &rsn_len, + wpa_ie, &wpa_len); + if (wpa_len > 0) { + memset(buf, 0, MAX_WPA_IE_LEN); + n = sprintf(buf, "wpa_ie="); + for (i = 0; i < wpa_len; i++) { + n += snprintf(buf + n, MAX_WPA_IE_LEN - n, + "%02x", wpa_ie[i]); + if (n >= MAX_WPA_IE_LEN) + break; + } + memset(iwe, 0, sizeof(*iwe)); + iwe->cmd = IWEVCUSTOM; + iwe->u.data.length = (u16)strlen(buf); + start = iwe_stream_add_point(info, start, stop, + iwe, buf); + memset(iwe, 0, sizeof(*iwe)); + iwe->cmd = IWEVGENIE; + iwe->u.data.length = (u16)wpa_len; + start = iwe_stream_add_point(info, start, stop, + iwe, wpa_ie); + } + if (rsn_len > 0) { + memset(buf, 0, MAX_WPA_IE_LEN); + n = sprintf(buf, "rsn_ie="); + for (i = 0; i < rsn_len; i++) { + n += snprintf(buf + n, MAX_WPA_IE_LEN - n, + "%02x", rsn_ie[i]); + if (n >= MAX_WPA_IE_LEN) + break; + } + memset(iwe, 0, sizeof(*iwe)); + iwe->cmd = IWEVCUSTOM; + iwe->u.data.length = strlen(buf); + start = iwe_stream_add_point(info, start, stop, + iwe, buf); + memset(iwe, 0, sizeof(*iwe)); + iwe->cmd = IWEVGENIE; + iwe->u.data.length = rsn_len; + start = iwe_stream_add_point(info, start, stop, iwe, + rsn_ie); + } + + return start; +} + +static noinline_for_stack char *translate_scan_wps(struct iw_request_info *info, + struct wlan_network *pnetwork, + struct iw_event *iwe, + char *start, char *stop) +{ + /* parsing WPS IE */ + u8 wps_ie[512]; + uint wps_ielen; + + if (r8712_get_wps_ie(pnetwork->network.IEs, + pnetwork->network.IELength, + wps_ie, &wps_ielen)) { + if (wps_ielen > 2) { + iwe->cmd = IWEVGENIE; + iwe->u.data.length = (u16)wps_ielen; + start = iwe_stream_add_point(info, start, stop, + iwe, wps_ie); + } + } + + return start; +} + +static char *translate_scan(struct _adapter *padapter, + struct iw_request_info *info, + struct wlan_network *pnetwork, + char *start, char *stop) { struct iw_event iwe; struct ieee80211_ht_cap *pht_capie; @@ -257,73 +338,11 @@ static noinline_for_stack char *translate_scan(struct _adapter *padapter, /* Check if we added any event */ if ((current_val - start) > iwe_stream_lcp_len(info)) start = current_val; - /* parsing WPA/WPA2 IE */ - { - u8 buf[MAX_WPA_IE_LEN]; - u8 wpa_ie[255], rsn_ie[255]; - u16 wpa_len = 0, rsn_len = 0; - int n; - - r8712_get_sec_ie(pnetwork->network.IEs, - pnetwork->network.IELength, rsn_ie, &rsn_len, - wpa_ie, &wpa_len); - if (wpa_len > 0) { - memset(buf, 0, MAX_WPA_IE_LEN); - n = sprintf(buf, "wpa_ie="); - for (i = 0; i < wpa_len; i++) { - n += snprintf(buf + n, MAX_WPA_IE_LEN - n, - "%02x", wpa_ie[i]); - if (n >= MAX_WPA_IE_LEN) - break; - } - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - iwe.u.data.length = (u16)strlen(buf); - start = iwe_stream_add_point(info, start, stop, - &iwe, buf); - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = (u16)wpa_len; - start = iwe_stream_add_point(info, start, stop, - &iwe, wpa_ie); - } - if (rsn_len > 0) { - memset(buf, 0, MAX_WPA_IE_LEN); - n = sprintf(buf, "rsn_ie="); - for (i = 0; i < rsn_len; i++) { - n += snprintf(buf + n, MAX_WPA_IE_LEN - n, - "%02x", rsn_ie[i]); - if (n >= MAX_WPA_IE_LEN) - break; - } - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - iwe.u.data.length = strlen(buf); - start = iwe_stream_add_point(info, start, stop, - &iwe, buf); - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = rsn_len; - start = iwe_stream_add_point(info, start, stop, &iwe, - rsn_ie); - } - } - { /* parsing WPS IE */ - u8 wps_ie[512]; - uint wps_ielen; + start = translate_scan_wpa(info, pnetwork, &iwe, start, stop); + + start = translate_scan_wps(info, pnetwork, &iwe, start, stop); - if (r8712_get_wps_ie(pnetwork->network.IEs, - pnetwork->network.IELength, - wps_ie, &wps_ielen)) { - if (wps_ielen > 2) { - iwe.cmd = IWEVGENIE; - iwe.u.data.length = (u16)wps_ielen; - start = iwe_stream_add_point(info, start, stop, - &iwe, wps_ie); - } - } - } /* Add quality statistics */ iwe.cmd = IWEVQUAL; rssi = r8712_signal_scale_mapping(pnetwork->network.Rssi); diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c index c04bdf070c87..455082867246 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c @@ -342,16 +342,13 @@ static void buffer_cb(struct vchiq_mmal_instance *instance, return; } else if (length == 0) { /* stream ended */ - if (buf) { - /* this should only ever happen if the port is - * disabled and there are buffers still queued + if (dev->capture.frame_count) { + /* empty buffer whilst capturing - expected to be an + * EOS, so grab another frame */ - vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); - pr_debug("Empty buffer"); - } else if (dev->capture.frame_count) { - /* grab another frame */ if (is_capturing(dev)) { - pr_debug("Grab another frame"); + v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, + "Grab another frame"); vchiq_mmal_port_parameter_set( instance, dev->capture.camera_port, @@ -359,8 +356,14 @@ static void buffer_cb(struct vchiq_mmal_instance *instance, &dev->capture.frame_count, sizeof(dev->capture.frame_count)); } + if (vchiq_mmal_submit_buffer(instance, port, buf)) + v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, + "Failed to return EOS buffer"); } else { - /* signal frame completion */ + /* stopping streaming. + * return buffer, and signal frame completion + */ + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); complete(&dev->capture.frame_cmplt); } } else { @@ -582,6 +585,7 @@ static void stop_streaming(struct vb2_queue *vq) int ret; unsigned long timeout; struct bm2835_mmal_dev *dev = vb2_get_drv_priv(vq); + struct vchiq_mmal_port *port = dev->capture.port; v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, "%s: dev:%p\n", __func__, dev); @@ -605,12 +609,6 @@ static void stop_streaming(struct vb2_queue *vq) &dev->capture.frame_count, sizeof(dev->capture.frame_count)); - /* wait for last frame to complete */ - timeout = wait_for_completion_timeout(&dev->capture.frame_cmplt, HZ); - if (timeout == 0) - v4l2_err(&dev->v4l2_dev, - "timed out waiting for frame completion\n"); - v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, "disabling connection\n"); @@ -625,6 +623,21 @@ static void stop_streaming(struct vb2_queue *vq) ret); } + /* wait for all buffers to be returned */ + while (atomic_read(&port->buffers_with_vpu)) { + v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, + "%s: Waiting for buffers to be returned - %d outstanding\n", + __func__, atomic_read(&port->buffers_with_vpu)); + timeout = wait_for_completion_timeout(&dev->capture.frame_cmplt, + HZ); + if (timeout == 0) { + v4l2_err(&dev->v4l2_dev, "%s: Timeout waiting for buffers to be returned - %d outstanding\n", + __func__, + atomic_read(&port->buffers_with_vpu)); + break; + } + } + if (disable_camera(dev) < 0) v4l2_err(&dev->v4l2_dev, "Failed to disable camera\n"); } diff --git a/drivers/staging/vc04_services/bcm2835-camera/controls.c b/drivers/staging/vc04_services/bcm2835-camera/controls.c index cff7b1e07153..b688ebc01740 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/controls.c +++ b/drivers/staging/vc04_services/bcm2835-camera/controls.c @@ -576,7 +576,7 @@ exit: dev->colourfx.enable ? "true" : "false", dev->colourfx.u, dev->colourfx.v, ret, (ret == 0 ? 0 : -EINVAL)); - return (ret == 0 ? 0 : EINVAL); + return (ret == 0 ? 0 : -EINVAL); } static int ctrl_set_colfx(struct bm2835_mmal_dev *dev, @@ -600,7 +600,7 @@ static int ctrl_set_colfx(struct bm2835_mmal_dev *dev, "%s: After: mmal_ctrl:%p ctrl id:0x%x ctrl val:%d ret %d(%d)\n", __func__, mmal_ctrl, ctrl->id, ctrl->val, ret, (ret == 0 ? 0 : -EINVAL)); - return (ret == 0 ? 0 : EINVAL); + return (ret == 0 ? 0 : -EINVAL); } static int ctrl_set_bitrate(struct bm2835_mmal_dev *dev, diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c index 51e5b04ff0f5..daa2b9656552 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c @@ -162,7 +162,8 @@ struct vchiq_mmal_instance { void *bulk_scratch; struct idr context_map; - spinlock_t context_map_lock; + /* protect accesses to context_map */ + struct mutex context_map_lock; /* component to use next */ int component_idx; @@ -185,10 +186,10 @@ get_msg_context(struct vchiq_mmal_instance *instance) * that when we service the VCHI reply, we can look up what * message is being replied to. */ - spin_lock(&instance->context_map_lock); + mutex_lock(&instance->context_map_lock); handle = idr_alloc(&instance->context_map, msg_context, 0, 0, GFP_KERNEL); - spin_unlock(&instance->context_map_lock); + mutex_unlock(&instance->context_map_lock); if (handle < 0) { kfree(msg_context); @@ -212,9 +213,9 @@ release_msg_context(struct mmal_msg_context *msg_context) { struct vchiq_mmal_instance *instance = msg_context->instance; - spin_lock(&instance->context_map_lock); + mutex_lock(&instance->context_map_lock); idr_remove(&instance->context_map, msg_context->handle); - spin_unlock(&instance->context_map_lock); + mutex_unlock(&instance->context_map_lock); kfree(msg_context); } @@ -240,6 +241,8 @@ static void buffer_work_cb(struct work_struct *work) struct mmal_msg_context *msg_context = container_of(work, struct mmal_msg_context, u.bulk.work); + atomic_dec(&msg_context->u.bulk.port->buffers_with_vpu); + msg_context->u.bulk.port->buffer_cb(msg_context->u.bulk.instance, msg_context->u.bulk.port, msg_context->u.bulk.status, @@ -288,8 +291,6 @@ static int bulk_receive(struct vchiq_mmal_instance *instance, /* store length */ msg_context->u.bulk.buffer_used = rd_len; - msg_context->u.bulk.mmal_flags = - msg->u.buffer_from_host.buffer_header.flags; msg_context->u.bulk.dts = msg->u.buffer_from_host.buffer_header.dts; msg_context->u.bulk.pts = msg->u.buffer_from_host.buffer_header.pts; @@ -380,6 +381,8 @@ buffer_from_host(struct vchiq_mmal_instance *instance, /* initialise work structure ready to schedule callback */ INIT_WORK(&msg_context->u.bulk.work, buffer_work_cb); + atomic_inc(&port->buffers_with_vpu); + /* prep the buffer from host message */ memset(&m, 0xbc, sizeof(m)); /* just to make debug clearer */ @@ -448,6 +451,9 @@ static void buffer_to_host_cb(struct vchiq_mmal_instance *instance, return; } + msg_context->u.bulk.mmal_flags = + msg->u.buffer_from_host.buffer_header.flags; + if (msg->h.status != MMAL_MSG_STATUS_SUCCESS) { /* message reception had an error */ pr_warn("error %d in reply\n", msg->h.status); @@ -1324,16 +1330,6 @@ static int port_enable(struct vchiq_mmal_instance *instance, if (port->enabled) return 0; - /* ensure there are enough buffers queued to cover the buffer headers */ - if (port->buffer_cb) { - hdr_count = 0; - list_for_each(buf_head, &port->buffers) { - hdr_count++; - } - if (hdr_count < port->current_buffer.num) - return -ENOSPC; - } - ret = port_action_port(instance, port, MMAL_MSG_PORT_ACTION_TYPE_ENABLE); if (ret) @@ -1854,7 +1850,7 @@ int vchiq_mmal_init(struct vchiq_mmal_instance **out_instance) instance->bulk_scratch = vmalloc(PAGE_SIZE); - spin_lock_init(&instance->context_map_lock); + mutex_init(&instance->context_map_lock); idr_init_base(&instance->context_map, 1); params.callback_param = instance; diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h index 22b839ecd5f0..b0ee1716525b 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h @@ -71,6 +71,9 @@ struct vchiq_mmal_port { struct list_head buffers; /* lock to serialise adding and removing buffers from list */ spinlock_t slock; + + /* Count of buffers the VPU has yet to return */ + atomic_t buffers_with_vpu; /* callback on buffer completion */ vchiq_mmal_buffer_cb buffer_cb; /* callback context */ diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index ac7620120491..c46efa47d68a 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1317,12 +1317,13 @@ static int tcmu_check_expired_cmd(int id, void *p, void *data) * target_complete_cmd will translate this to LUN COMM FAILURE */ scsi_status = SAM_STAT_CHECK_CONDITION; + list_del_init(&cmd->queue_entry); } else { + list_del_init(&cmd->queue_entry); idr_remove(&udev->commands, id); tcmu_free_cmd(cmd); scsi_status = SAM_STAT_TASK_SET_FULL; } - list_del_init(&cmd->queue_entry); pr_debug("Timing out cmd %u on dev %s that is %s.\n", id, udev->name, is_running ? "inflight" : "queued"); diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index a2c9bfae3d86..b139713289a4 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -171,7 +171,8 @@ static int tsens_probe(struct platform_device *pdev) if (tmdev->ops->calibrate) { ret = tmdev->ops->calibrate(tmdev); if (ret < 0) { - dev_err(dev, "tsens calibration failed\n"); + if (ret != -EPROBE_DEFER) + dev_err(dev, "tsens calibration failed\n"); return ret; } } diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c index 7aed5337bdd3..704c8ad045bb 100644 --- a/drivers/thermal/rcar_gen3_thermal.c +++ b/drivers/thermal/rcar_gen3_thermal.c @@ -328,6 +328,9 @@ MODULE_DEVICE_TABLE(of, rcar_gen3_thermal_dt_ids); static int rcar_gen3_thermal_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct rcar_gen3_thermal_priv *priv = dev_get_drvdata(dev); + + rcar_thermal_irq_set(priv, false); pm_runtime_put(dev); pm_runtime_disable(dev); diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c index b121d8f8f3d7..27aeca30eeae 100644 --- a/drivers/tty/rocket.c +++ b/drivers/tty/rocket.c @@ -266,7 +266,7 @@ MODULE_PARM_DESC(pc104_3, "set interface types for ISA(PC104) board #3 (e.g. pc1 module_param_array(pc104_4, ulong, NULL, 0); MODULE_PARM_DESC(pc104_4, "set interface types for ISA(PC104) board #4 (e.g. pc104_4=232,232,485,485,..."); -static int rp_init(void); +static int __init rp_init(void); static void rp_cleanup_module(void); module_init(rp_init); diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index d31b975dd3fd..284e8d052fc3 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -365,7 +365,7 @@ static bool dw8250_fallback_dma_filter(struct dma_chan *chan, void *param) static bool dw8250_idma_filter(struct dma_chan *chan, void *param) { - return param == chan->device->dev->parent; + return param == chan->device->dev; } /* @@ -434,7 +434,7 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data) data->uart_16550_compatible = true; } - /* Platforms with iDMA */ + /* Platforms with iDMA 64-bit */ if (platform_get_resource_byname(to_platform_device(p->dev), IORESOURCE_MEM, "lpss_priv")) { data->dma.rx_param = p->dev->parent; diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index a2705b401efc..ebc98ce465b8 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1870,8 +1870,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) status = serial_port_in(port, UART_LSR); - if (status & (UART_LSR_DR | UART_LSR_BI) && - iir & UART_IIR_RDI) { + if (status & (UART_LSR_DR | UART_LSR_BI)) { if (!up->dma || handle_rx_dma(up, iir)) status = serial8250_rx_chars(up, status); } diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 55b178c1bd65..372cc7ff228f 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1494,10 +1494,12 @@ static int __init sc16is7xx_init(void) #endif return ret; +#ifdef CONFIG_SERIAL_SC16IS7XX_SPI err_spi: #ifdef CONFIG_SERIAL_SC16IS7XX_I2C i2c_del_driver(&sc16is7xx_i2c_uart_driver); #endif +#endif err_i2c: uart_unregister_driver(&sc16is7xx_uart); return ret; diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c index 63e34d868de8..f8503f8fc44e 100644 --- a/drivers/tty/serial/sunhv.c +++ b/drivers/tty/serial/sunhv.c @@ -397,7 +397,7 @@ static const struct uart_ops sunhv_pops = { static struct uart_driver sunhv_reg = { .owner = THIS_MODULE, .driver_name = "sunhv", - .dev_name = "ttyS", + .dev_name = "ttyHV", .major = TTY_MAJOR, }; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 9852ec5e6e01..cc7c856126df 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1621,6 +1621,25 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) static int ci_udc_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver); static int ci_udc_stop(struct usb_gadget *gadget); + +/* Match ISOC IN from the highest endpoint */ +static struct usb_ep *ci_udc_match_ep(struct usb_gadget *gadget, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *comp_desc) +{ + struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); + struct usb_ep *ep; + + if (usb_endpoint_xfer_isoc(desc) && usb_endpoint_dir_in(desc)) { + list_for_each_entry_reverse(ep, &ci->gadget.ep_list, ep_list) { + if (ep->caps.dir_in && !ep->claimed) + return ep; + } + } + + return NULL; +} + /** * Device operations part of the API to the USB controller hardware, * which don't involve endpoints (or i/o) @@ -1634,6 +1653,7 @@ static const struct usb_gadget_ops usb_gadget_ops = { .vbus_draw = ci_udc_vbus_draw, .udc_start = ci_udc_start, .udc_stop = ci_udc_stop, + .match_ep = ci_udc_match_ep, }; static int init_eps(struct ci_hdrc *ci) diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 6082b008969b..6b6413073584 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -215,6 +215,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */ { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech HD Webcam C270 */ + { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech HD Pro Webcams C920, C920-C, C925e and C930e */ { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT }, diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index 55d5ae2a7ec7..51d83f77dc04 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -531,7 +531,7 @@ int dwc2_core_reset(struct dwc2_hsotg *hsotg, bool skip_wait) } /* Wait for AHB master IDLE state */ - if (dwc2_hsotg_wait_bit_set(hsotg, GRSTCTL, GRSTCTL_AHBIDLE, 50)) { + if (dwc2_hsotg_wait_bit_set(hsotg, GRSTCTL, GRSTCTL_AHBIDLE, 10000)) { dev_warn(hsotg->dev, "%s: HANG! AHB Idle timeout GRSTCTL GRSTCTL_AHBIDLE\n", __func__); return -EBUSY; diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 260010abf9d8..aad7edc29bdd 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2673,8 +2673,10 @@ static void dwc2_free_dma_aligned_buffer(struct urb *urb) return; /* Restore urb->transfer_buffer from the end of the allocated area */ - memcpy(&stored_xfer_buffer, urb->transfer_buffer + - urb->transfer_buffer_length, sizeof(urb->transfer_buffer)); + memcpy(&stored_xfer_buffer, + PTR_ALIGN(urb->transfer_buffer + urb->transfer_buffer_length, + dma_get_cache_alignment()), + sizeof(urb->transfer_buffer)); if (usb_urb_dir_in(urb)) { if (usb_pipeisoc(urb->pipe)) @@ -2706,6 +2708,7 @@ static int dwc2_alloc_dma_aligned_buffer(struct urb *urb, gfp_t mem_flags) * DMA */ kmalloc_size = urb->transfer_buffer_length + + (dma_get_cache_alignment() - 1) + sizeof(urb->transfer_buffer); kmalloc_ptr = kmalloc(kmalloc_size, mem_flags); @@ -2716,7 +2719,8 @@ static int dwc2_alloc_dma_aligned_buffer(struct urb *urb, gfp_t mem_flags) * Position value of original urb->transfer_buffer pointer to the end * of allocation for later referencing */ - memcpy(kmalloc_ptr + urb->transfer_buffer_length, + memcpy(PTR_ALIGN(kmalloc_ptr + urb->transfer_buffer_length, + dma_get_cache_alignment()), &urb->transfer_buffer, sizeof(urb->transfer_buffer)); if (usb_urb_dir_out(urb)) @@ -2801,7 +2805,7 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) chan->dev_addr = dwc2_hcd_get_dev_addr(&urb->pipe_info); chan->ep_num = dwc2_hcd_get_ep_num(&urb->pipe_info); chan->speed = qh->dev_speed; - chan->max_packet = dwc2_max_packet(qh->maxp); + chan->max_packet = qh->maxp; chan->xfer_started = 0; chan->halt_status = DWC2_HC_XFER_NO_HALT_STATUS; @@ -2879,7 +2883,7 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) * This value may be modified when the transfer is started * to reflect the actual transfer length */ - chan->multi_count = dwc2_hb_mult(qh->maxp); + chan->multi_count = qh->maxp_mult; if (hsotg->params.dma_desc_enable) { chan->desc_list_addr = qh->desc_list_dma; @@ -3991,19 +3995,21 @@ static struct dwc2_hcd_urb *dwc2_hcd_urb_alloc(struct dwc2_hsotg *hsotg, static void dwc2_hcd_urb_set_pipeinfo(struct dwc2_hsotg *hsotg, struct dwc2_hcd_urb *urb, u8 dev_addr, - u8 ep_num, u8 ep_type, u8 ep_dir, u16 mps) + u8 ep_num, u8 ep_type, u8 ep_dir, + u16 maxp, u16 maxp_mult) { if (dbg_perio() || ep_type == USB_ENDPOINT_XFER_BULK || ep_type == USB_ENDPOINT_XFER_CONTROL) dev_vdbg(hsotg->dev, - "addr=%d, ep_num=%d, ep_dir=%1x, ep_type=%1x, mps=%d\n", - dev_addr, ep_num, ep_dir, ep_type, mps); + "addr=%d, ep_num=%d, ep_dir=%1x, ep_type=%1x, maxp=%d (%d mult)\n", + dev_addr, ep_num, ep_dir, ep_type, maxp, maxp_mult); urb->pipe_info.dev_addr = dev_addr; urb->pipe_info.ep_num = ep_num; urb->pipe_info.pipe_type = ep_type; urb->pipe_info.pipe_dir = ep_dir; - urb->pipe_info.mps = mps; + urb->pipe_info.maxp = maxp; + urb->pipe_info.maxp_mult = maxp_mult; } /* @@ -4094,8 +4100,9 @@ void dwc2_hcd_dump_state(struct dwc2_hsotg *hsotg) dwc2_hcd_is_pipe_in(&urb->pipe_info) ? "IN" : "OUT"); dev_dbg(hsotg->dev, - " Max packet size: %d\n", - dwc2_hcd_get_mps(&urb->pipe_info)); + " Max packet size: %d (%d mult)\n", + dwc2_hcd_get_maxp(&urb->pipe_info), + dwc2_hcd_get_maxp_mult(&urb->pipe_info)); dev_dbg(hsotg->dev, " transfer_buffer: %p\n", urb->buf); @@ -4653,8 +4660,10 @@ static void dwc2_dump_urb_info(struct usb_hcd *hcd, struct urb *urb, } dev_vdbg(hsotg->dev, " Speed: %s\n", speed); - dev_vdbg(hsotg->dev, " Max packet size: %d\n", - usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe))); + dev_vdbg(hsotg->dev, " Max packet size: %d (%d mult)\n", + usb_endpoint_maxp(&urb->ep->desc), + usb_endpoint_maxp_mult(&urb->ep->desc)); + dev_vdbg(hsotg->dev, " Data buffer length: %d\n", urb->transfer_buffer_length); dev_vdbg(hsotg->dev, " Transfer buffer: %p, Transfer DMA: %08lx\n", @@ -4737,8 +4746,8 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, dwc2_hcd_urb_set_pipeinfo(hsotg, dwc2_urb, usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe), ep_type, usb_pipein(urb->pipe), - usb_maxpacket(urb->dev, urb->pipe, - !(usb_pipein(urb->pipe)))); + usb_endpoint_maxp(&ep->desc), + usb_endpoint_maxp_mult(&ep->desc)); buf = urb->transfer_buffer; diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index c089ffa1f0a8..ce6445a06588 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -171,7 +171,8 @@ struct dwc2_hcd_pipe_info { u8 ep_num; u8 pipe_type; u8 pipe_dir; - u16 mps; + u16 maxp; + u16 maxp_mult; }; struct dwc2_hcd_iso_packet_desc { @@ -264,6 +265,7 @@ struct dwc2_hs_transfer_time { * - USB_ENDPOINT_XFER_ISOC * @ep_is_in: Endpoint direction * @maxp: Value from wMaxPacketSize field of Endpoint Descriptor + * @maxp_mult: Multiplier for maxp * @dev_speed: Device speed. One of the following values: * - USB_SPEED_LOW * - USB_SPEED_FULL @@ -340,6 +342,7 @@ struct dwc2_qh { u8 ep_type; u8 ep_is_in; u16 maxp; + u16 maxp_mult; u8 dev_speed; u8 data_toggle; u8 ping_state; @@ -503,9 +506,14 @@ static inline u8 dwc2_hcd_get_pipe_type(struct dwc2_hcd_pipe_info *pipe) return pipe->pipe_type; } -static inline u16 dwc2_hcd_get_mps(struct dwc2_hcd_pipe_info *pipe) +static inline u16 dwc2_hcd_get_maxp(struct dwc2_hcd_pipe_info *pipe) +{ + return pipe->maxp; +} + +static inline u16 dwc2_hcd_get_maxp_mult(struct dwc2_hcd_pipe_info *pipe) { - return pipe->mps; + return pipe->maxp_mult; } static inline u8 dwc2_hcd_get_dev_addr(struct dwc2_hcd_pipe_info *pipe) @@ -620,12 +628,6 @@ static inline bool dbg_urb(struct urb *urb) static inline bool dbg_perio(void) { return false; } #endif -/* High bandwidth multiplier as encoded in highspeed endpoint descriptors */ -#define dwc2_hb_mult(wmaxpacketsize) (1 + (((wmaxpacketsize) >> 11) & 0x03)) - -/* Packet size for any kind of endpoint descriptor */ -#define dwc2_max_packet(wmaxpacketsize) ((wmaxpacketsize) & 0x07ff) - /* * Returns true if frame1 index is greater than frame2 index. The comparison * is done modulo FRLISTEN_64_SIZE. This accounts for the rollover of the diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c index 88b5dcf3aefc..a052d39b4375 100644 --- a/drivers/usb/dwc2/hcd_intr.c +++ b/drivers/usb/dwc2/hcd_intr.c @@ -1617,8 +1617,9 @@ static void dwc2_hc_ahberr_intr(struct dwc2_hsotg *hsotg, dev_err(hsotg->dev, " Speed: %s\n", speed); - dev_err(hsotg->dev, " Max packet size: %d\n", - dwc2_hcd_get_mps(&urb->pipe_info)); + dev_err(hsotg->dev, " Max packet size: %d (mult %d)\n", + dwc2_hcd_get_maxp(&urb->pipe_info), + dwc2_hcd_get_maxp_mult(&urb->pipe_info)); dev_err(hsotg->dev, " Data buffer length: %d\n", urb->length); dev_err(hsotg->dev, " Transfer buffer: %p, Transfer DMA: %08lx\n", urb->buf, (unsigned long)urb->dma); diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index ea3aa640c15c..68bbac64b753 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -708,7 +708,7 @@ static void dwc2_hs_pmap_unschedule(struct dwc2_hsotg *hsotg, static int dwc2_uframe_schedule_split(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) { - int bytecount = dwc2_hb_mult(qh->maxp) * dwc2_max_packet(qh->maxp); + int bytecount = qh->maxp_mult * qh->maxp; int ls_search_slice; int err = 0; int host_interval_in_sched; @@ -1332,7 +1332,7 @@ static int dwc2_check_max_xfer_size(struct dwc2_hsotg *hsotg, u32 max_channel_xfer_size; int status = 0; - max_xfer_size = dwc2_max_packet(qh->maxp) * dwc2_hb_mult(qh->maxp); + max_xfer_size = qh->maxp * qh->maxp_mult; max_channel_xfer_size = hsotg->params.max_transfer_size; if (max_xfer_size > max_channel_xfer_size) { @@ -1517,8 +1517,9 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, u32 prtspd = (hprt & HPRT0_SPD_MASK) >> HPRT0_SPD_SHIFT; bool do_split = (prtspd == HPRT0_SPD_HIGH_SPEED && dev_speed != USB_SPEED_HIGH); - int maxp = dwc2_hcd_get_mps(&urb->pipe_info); - int bytecount = dwc2_hb_mult(maxp) * dwc2_max_packet(maxp); + int maxp = dwc2_hcd_get_maxp(&urb->pipe_info); + int maxp_mult = dwc2_hcd_get_maxp_mult(&urb->pipe_info); + int bytecount = maxp_mult * maxp; char *speed, *type; /* Initialize QH */ @@ -1531,6 +1532,7 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, qh->data_toggle = DWC2_HC_PID_DATA0; qh->maxp = maxp; + qh->maxp_mult = maxp_mult; INIT_LIST_HEAD(&qh->qtd_list); INIT_LIST_HEAD(&qh->qh_list_entry); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 5bfb62533e0f..131028501752 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -636,9 +636,9 @@ struct dwc3_event_buffer { /** * struct dwc3_ep - device side endpoint representation * @endpoint: usb endpoint + * @cancelled_list: list of cancelled requests for this endpoint * @pending_list: list of pending requests for this endpoint * @started_list: list of started requests on this endpoint - * @wait_end_transfer: wait_queue_head_t for waiting on End Transfer complete * @lock: spinlock for endpoint request queue traversal * @regs: pointer to first endpoint register * @trb_pool: array of transaction buffers @@ -659,11 +659,10 @@ struct dwc3_event_buffer { */ struct dwc3_ep { struct usb_ep endpoint; + struct list_head cancelled_list; struct list_head pending_list; struct list_head started_list; - wait_queue_head_t wait_end_transfer; - spinlock_t lock; void __iomem *regs; @@ -847,11 +846,12 @@ struct dwc3_hwparams { * @epnum: endpoint number to which this request refers * @trb: pointer to struct dwc3_trb * @trb_dma: DMA address of @trb - * @unaligned: true for OUT endpoints with length not divisible by maxp + * @num_trbs: number of TRBs used by this request + * @needs_extra_trb: true when request needs one extra TRB (either due to ZLP + * or unaligned OUT) * @direction: IN or OUT direction flag * @mapped: true when request has been dma-mapped * @started: request is started - * @zero: wants a ZLP */ struct dwc3_request { struct usb_request request; @@ -867,11 +867,12 @@ struct dwc3_request { struct dwc3_trb *trb; dma_addr_t trb_dma; - unsigned unaligned:1; + unsigned num_trbs; + + unsigned needs_extra_trb:1; unsigned direction:1; unsigned mapped:1; unsigned started:1; - unsigned zero:1; }; /* diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 65ba1038b111..e7461c995116 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -177,8 +177,7 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep, req->started = false; list_del(&req->list); req->remaining = 0; - req->unaligned = false; - req->zero = false; + req->needs_extra_trb = false; if (req->request.status == -EINPROGRESS) req->request.status = status; @@ -640,8 +639,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action) reg |= DWC3_DALEPENA_EP(dep->number); dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); - init_waitqueue_head(&dep->wait_end_transfer); - if (usb_endpoint_xfer_control(desc)) goto out; @@ -1043,6 +1040,8 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, req->trb_dma = dwc3_trb_dma_offset(dep, trb); } + req->num_trbs++; + __dwc3_prepare_one_trb(dep, trb, dma, length, chain, node, stream_id, short_not_ok, no_interrupt); } @@ -1070,13 +1069,14 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep, struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; - req->unaligned = true; + req->needs_extra_trb = true; /* prepare normal TRB */ dwc3_prepare_one_trb(dep, req, true, i); /* Now prepare one extra TRB to align transfer size */ trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp - rem, false, 1, req->request.stream_id, @@ -1114,13 +1114,14 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; - req->unaligned = true; + req->needs_extra_trb = true; /* prepare normal TRB */ dwc3_prepare_one_trb(dep, req, true, 0); /* Now prepare one extra TRB to align transfer size */ trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp - rem, false, 1, req->request.stream_id, req->request.short_not_ok, @@ -1130,13 +1131,14 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; - req->zero = true; + req->needs_extra_trb = true; /* prepare normal TRB */ dwc3_prepare_one_trb(dep, req, true, 0); /* Now prepare one extra TRB to handle ZLP */ trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, 0, false, 1, req->request.stream_id, req->request.short_not_ok, @@ -1338,6 +1340,42 @@ static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, return ret; } +static void dwc3_gadget_ep_skip_trbs(struct dwc3_ep *dep, struct dwc3_request *req) +{ + int i; + + /* + * If request was already started, this means we had to + * stop the transfer. With that we also need to ignore + * all TRBs used by the request, however TRBs can only + * be modified after completion of END_TRANSFER + * command. So what we do here is that we wait for + * END_TRANSFER completion and only after that, we jump + * over TRBs by clearing HWO and incrementing dequeue + * pointer. + */ + for (i = 0; i < req->num_trbs; i++) { + struct dwc3_trb *trb; + + trb = req->trb + i; + trb->ctrl &= ~DWC3_TRB_CTRL_HWO; + dwc3_ep_inc_deq(dep); + } + + req->num_trbs = 0; +} + +static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep) +{ + struct dwc3_request *req; + struct dwc3_request *tmp; + + list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) { + dwc3_gadget_ep_skip_trbs(dep, req); + dwc3_gadget_giveback(dep, req, -ECONNRESET); + } +} + static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, struct usb_request *request) { @@ -1368,68 +1406,11 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, /* wait until it is processed */ dwc3_stop_active_transfer(dep, true); - /* - * If request was already started, this means we had to - * stop the transfer. With that we also need to ignore - * all TRBs used by the request, however TRBs can only - * be modified after completion of END_TRANSFER - * command. So what we do here is that we wait for - * END_TRANSFER completion and only after that, we jump - * over TRBs by clearing HWO and incrementing dequeue - * pointer. - * - * Note that we have 2 possible types of transfers here: - * - * i) Linear buffer request - * ii) SG-list based request - * - * SG-list based requests will have r->num_pending_sgs - * set to a valid number (> 0). Linear requests, - * normally use a single TRB. - * - * For each of these two cases, if r->unaligned flag is - * set, one extra TRB has been used to align transfer - * size to wMaxPacketSize. - * - * All of these cases need to be taken into - * consideration so we don't mess up our TRB ring - * pointers. - */ - wait_event_lock_irq(dep->wait_end_transfer, - !(dep->flags & DWC3_EP_END_TRANSFER_PENDING), - dwc->lock); - if (!r->trb) goto out0; - if (r->num_pending_sgs) { - struct dwc3_trb *trb; - int i = 0; - - for (i = 0; i < r->num_pending_sgs; i++) { - trb = r->trb + i; - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - } - - if (r->unaligned || r->zero) { - trb = r->trb + r->num_pending_sgs + 1; - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - } - } else { - struct dwc3_trb *trb = r->trb; - - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - - if (r->unaligned || r->zero) { - trb = r->trb + 1; - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - } - } - goto out1; + dwc3_gadget_move_cancelled_request(req); + goto out0; } dev_err(dwc->dev, "request %pK was not queued to %s\n", request, ep->name); @@ -1437,9 +1418,6 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, goto out0; } -out1: - /* giveback the request */ - dwc3_gadget_giveback(dep, req, -ECONNRESET); out0: @@ -1932,8 +1910,6 @@ static int dwc3_gadget_stop(struct usb_gadget *g) { struct dwc3 *dwc = gadget_to_dwc(g); unsigned long flags; - int epnum; - u32 tmo_eps = 0; spin_lock_irqsave(&dwc->lock, flags); @@ -1942,36 +1918,6 @@ static int dwc3_gadget_stop(struct usb_gadget *g) __dwc3_gadget_stop(dwc); - for (epnum = 2; epnum < DWC3_ENDPOINTS_NUM; epnum++) { - struct dwc3_ep *dep = dwc->eps[epnum]; - int ret; - - if (!dep) - continue; - - if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING)) - continue; - - ret = wait_event_interruptible_lock_irq_timeout(dep->wait_end_transfer, - !(dep->flags & DWC3_EP_END_TRANSFER_PENDING), - dwc->lock, msecs_to_jiffies(5)); - - if (ret <= 0) { - /* Timed out or interrupted! There's nothing much - * we can do so we just log here and print which - * endpoints timed out at the end. - */ - tmo_eps |= 1 << epnum; - dep->flags &= DWC3_EP_END_TRANSFER_PENDING; - } - } - - if (tmo_eps) { - dev_err(dwc->dev, - "end transfer timed out on endpoints 0x%x [bitmap]\n", - tmo_eps); - } - out: dwc->gadget_driver = NULL; spin_unlock_irqrestore(&dwc->lock, flags); @@ -2174,6 +2120,7 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum) INIT_LIST_HEAD(&dep->pending_list); INIT_LIST_HEAD(&dep->started_list); + INIT_LIST_HEAD(&dep->cancelled_list); return 0; } @@ -2233,6 +2180,7 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep, dwc3_ep_inc_deq(dep); trace_dwc3_complete_trb(dep, trb); + req->num_trbs--; /* * If we're in the middle of series of chained TRBs and we @@ -2252,7 +2200,8 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep, * with one TRB pending in the ring. We need to manually clear HWO bit * from that TRB. */ - if ((req->zero || req->unaligned) && !(trb->ctrl & DWC3_TRB_CTRL_CHN)) { + + if (req->needs_extra_trb && !(trb->ctrl & DWC3_TRB_CTRL_CHN)) { trb->ctrl &= ~DWC3_TRB_CTRL_HWO; return 1; } @@ -2329,11 +2278,10 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep, ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event, status); - if (req->unaligned || req->zero) { + if (req->needs_extra_trb) { ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event, status); - req->unaligned = false; - req->zero = false; + req->needs_extra_trb = false; } req->request.actual = req->request.length - req->remaining; @@ -2466,7 +2414,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, if (cmd == DWC3_DEPCMD_ENDTRANSFER) { dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING; - wake_up(&dep->wait_end_transfer); + dwc3_gadget_ep_cleanup_cancelled_requests(dep); } break; case DWC3_DEPEVT_STREAMEVT: diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 2aacd1afd9ff..023a473648eb 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -79,6 +79,21 @@ static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) list_move_tail(&req->list, &dep->started_list); } +/** + * dwc3_gadget_move_cancelled_request - move @req to the cancelled_list + * @req: the request to be moved + * + * Caller should take care of locking. This function will move @req from its + * current list to the endpoint's cancelled_list. + */ +static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req) +{ + struct dwc3_ep *dep = req->dep; + + req->started = false; + list_move_tail(&req->list, &dep->cancelled_list); +} + void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, int status); diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index 0f026d445e31..0ef00315ec73 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -186,11 +186,12 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) out = dev->port_usb->out_ep; else out = NULL; - spin_unlock_irqrestore(&dev->lock, flags); if (!out) + { + spin_unlock_irqrestore(&dev->lock, flags); return -ENOTCONN; - + } /* Padding up to RX_EXTRA handles minor disagreements with host. * Normally we use the USB "terminate on short read" convention; @@ -214,6 +215,7 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) if (dev->port_usb->is_fixed) size = max_t(size_t, size, dev->port_usb->fixed_out_len); + spin_unlock_irqrestore(&dev->lock, flags); skb = __netdev_alloc_skb(dev->net, size + NET_IP_ALIGN, gfp_flags); if (skb == NULL) { diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index 263804d154a7..00e3f66836a9 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1342,12 +1342,15 @@ static const struct usb_gadget_ops fusb300_gadget_ops = { static int fusb300_remove(struct platform_device *pdev) { struct fusb300 *fusb300 = platform_get_drvdata(pdev); + int i; usb_del_gadget_udc(&fusb300->gadget); iounmap(fusb300->reg); free_irq(platform_get_irq(pdev, 0), fusb300); fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); + for (i = 0; i < FUSB300_MAX_NUM_EP; i++) + kfree(fusb300->ep[i]); kfree(fusb300); return 0; @@ -1491,6 +1494,8 @@ clean_up: if (fusb300->ep0_req) fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); + for (i = 0; i < FUSB300_MAX_NUM_EP; i++) + kfree(fusb300->ep[i]); kfree(fusb300); } if (reg) diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index b0781771704e..eafc2a00c96a 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -922,8 +922,7 @@ static struct lpc32xx_usbd_dd_gad *udc_dd_alloc(struct lpc32xx_udc *udc) dma_addr_t dma; struct lpc32xx_usbd_dd_gad *dd; - dd = (struct lpc32xx_usbd_dd_gad *) dma_pool_alloc( - udc->dd_cache, (GFP_KERNEL | GFP_DMA), &dma); + dd = dma_pool_alloc(udc->dd_cache, GFP_ATOMIC | GFP_DMA, &dma); if (dd) dd->this_dma = dma; diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index cadc01336bf8..7ba6afc7ef23 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -440,6 +440,9 @@ void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, struct xhci_ep_priv *epriv; struct xhci_slot_priv *spriv = dev->debugfs_private; + if (!spriv) + return; + if (spriv->eps[ep_index]) return; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index b62953ee0fc6..f896a00662ef 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1604,8 +1604,13 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); } - if (hcd->speed >= HCD_USB3 && (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) + if (hcd->speed >= HCD_USB3 && + (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) { + slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1); + if (slot_id && xhci->devs[slot_id]) + xhci->devs[slot_id]->flags |= VDEV_PORT_ERROR; bus_state->port_remote_wakeup &= ~(1 << hcd_portnum); + } if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id); @@ -1793,6 +1798,14 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci, { struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index]; struct xhci_command *command; + + /* + * Avoid resetting endpoint if link is inactive. Can cause host hang. + * Device will be reset soon to recover the link so don't do anything + */ + if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR) + return; + command = xhci_alloc_command(xhci, false, GFP_ATOMIC); if (!command) return; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index f30b065095fa..4ffadca2c71a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1441,6 +1441,10 @@ static int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag xhci_dbg(xhci, "urb submitted during PCI suspend\n"); return -ESHUTDOWN; } + if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR) { + xhci_dbg(xhci, "Can't queue urb, port error, link inactive\n"); + return -ENODEV; + } if (usb_endpoint_xfer_isoc(&urb->ep->desc)) num_tds = urb->number_of_packets; @@ -3724,6 +3728,7 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd, } /* If necessary, update the number of active TTs on this root port */ xhci_update_tt_active_eps(xhci, virt_dev, old_active_eps); + virt_dev->flags = 0; ret = 0; command_cleanup: @@ -5030,16 +5035,26 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) } else { /* * Some 3.1 hosts return sbrn 0x30, use xhci supported protocol - * minor revision instead of sbrn + * minor revision instead of sbrn. Minor revision is a two digit + * BCD containing minor and sub-minor numbers, only show minor. */ - minor_rev = xhci->usb3_rhub.min_rev; - if (minor_rev) { + minor_rev = xhci->usb3_rhub.min_rev / 0x10; + + switch (minor_rev) { + case 2: + hcd->speed = HCD_USB32; + hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS; + hcd->self.root_hub->rx_lanes = 2; + hcd->self.root_hub->tx_lanes = 2; + break; + case 1: hcd->speed = HCD_USB31; hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS; + break; } - xhci_info(xhci, "Host supports USB 3.%x %s SuperSpeed\n", + xhci_info(xhci, "Host supports USB 3.%x %sSuperSpeed\n", minor_rev, - minor_rev ? "Enhanced" : ""); + minor_rev ? "Enhanced " : ""); xhci->usb3_rhub.hcd = hcd; /* xHCI private pointer was set in xhci_pci_probe for the second diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index dc00f59c8e69..761b341d27b0 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1010,6 +1010,15 @@ struct xhci_virt_device { u8 real_port; struct xhci_interval_bw_table *bw_table; struct xhci_tt_bw_info *tt_info; + /* + * flags for state tracking based on events and issued commands. + * Software can not rely on states from output contexts because of + * latency between events and xHC updating output context values. + * See xhci 1.1 section 4.8.3 for more details + */ + unsigned long flags; +#define VDEV_PORT_ERROR BIT(0) /* Port error, link inactive */ + /* The current max exit latency for the enabled USB3 link states. */ u16 current_mel; /* Used for the debugfs interfaces. */ diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 39fa2fc1b8b7..6036cbae8c78 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -802,9 +802,8 @@ static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map) } static void usbhsf_dma_complete(void *arg); -static void xfer_work(struct work_struct *work) +static void usbhsf_dma_xfer_preparing(struct usbhs_pkt *pkt) { - struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work); struct usbhs_pipe *pipe = pkt->pipe; struct usbhs_fifo *fifo; struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); @@ -812,12 +811,10 @@ static void xfer_work(struct work_struct *work) struct dma_chan *chan; struct device *dev = usbhs_priv_to_dev(priv); enum dma_transfer_direction dir; - unsigned long flags; - usbhs_lock(priv, flags); fifo = usbhs_pipe_to_fifo(pipe); if (!fifo) - goto xfer_work_end; + return; chan = usbhsf_dma_chan_get(fifo, pkt); dir = usbhs_pipe_is_dir_in(pipe) ? DMA_DEV_TO_MEM : DMA_MEM_TO_DEV; @@ -826,7 +823,7 @@ static void xfer_work(struct work_struct *work) pkt->trans, dir, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc) - goto xfer_work_end; + return; desc->callback = usbhsf_dma_complete; desc->callback_param = pipe; @@ -834,7 +831,7 @@ static void xfer_work(struct work_struct *work) pkt->cookie = dmaengine_submit(desc); if (pkt->cookie < 0) { dev_err(dev, "Failed to submit dma descriptor\n"); - goto xfer_work_end; + return; } dev_dbg(dev, " %s %d (%d/ %d)\n", @@ -845,8 +842,17 @@ static void xfer_work(struct work_struct *work) dma_async_issue_pending(chan); usbhsf_dma_start(pipe, fifo); usbhs_pipe_enable(pipe); +} + +static void xfer_work(struct work_struct *work) +{ + struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work); + struct usbhs_pipe *pipe = pkt->pipe; + struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); + unsigned long flags; -xfer_work_end: + usbhs_lock(priv, flags); + usbhsf_dma_xfer_preparing(pkt); usbhs_unlock(priv, flags); } @@ -899,8 +905,13 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; usbhsf_tx_irq_ctrl(pipe, 0); - INIT_WORK(&pkt->work, xfer_work); - schedule_work(&pkt->work); + /* FIXME: Workaound for usb dmac that driver can be used in atomic */ + if (usbhs_get_dparam(priv, has_usb_dmac)) { + usbhsf_dma_xfer_preparing(pkt); + } else { + INIT_WORK(&pkt->work, xfer_work); + schedule_work(&pkt->work); + } return 0; @@ -1006,8 +1017,7 @@ static int usbhsf_dma_prepare_pop_with_usb_dmac(struct usbhs_pkt *pkt, pkt->trans = pkt->length; - INIT_WORK(&pkt->work, xfer_work); - schedule_work(&pkt->work); + usbhsf_dma_xfer_preparing(pkt); return 0; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c0dc4bc776db..e18735e00463 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1019,6 +1019,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) }, /* EZPrototypes devices */ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) }, + { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 5755f0df0025..f12d806220b4 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1543,3 +1543,9 @@ #define CHETCO_SEASMART_DISPLAY_PID 0xA5AD /* SeaSmart NMEA2000 Display */ #define CHETCO_SEASMART_LITE_PID 0xA5AE /* SeaSmart Lite USB Adapter */ #define CHETCO_SEASMART_ANALOG_PID 0xA5AF /* SeaSmart Analog Adapter */ + +/* + * Unjo AB + */ +#define UNJO_VID 0x22B7 +#define UNJO_ISODEBUG_V1_PID 0x150D diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index d8c474b386a8..e0a4749ba565 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1171,6 +1171,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x1260), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x1261), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1900), /* Telit LN940 (QMI) */ .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */ @@ -1339,6 +1343,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0601, 0xff) }, /* GosunCn ZTE WeLink ME3630 (RNDIS mode) */ { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0602, 0xff) }, /* GosunCn ZTE WeLink ME3630 (MBIM mode) */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff), .driver_info = RSVD(4) }, @@ -1772,6 +1777,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E), .driver_info = RSVD(5) | RSVD(6) }, { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */ + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff), /* Simcom SIM7500/SIM7600 RNDIS mode */ + .driver_info = RSVD(7) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D), diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 5a6df6e9ad57..5d7b21ea6238 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -106,6 +106,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, + { USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 559941ca884d..b0175f17d1a2 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -155,3 +155,6 @@ #define SMART_VENDOR_ID 0x0b8c #define SMART_PRODUCT_ID 0x2303 +/* Allied Telesis VT-Kit3 */ +#define AT_VENDOR_ID 0x0caa +#define AT_VTKIT3_PRODUCT_ID 0x3001 diff --git a/drivers/usb/storage/unusual_realtek.h b/drivers/usb/storage/unusual_realtek.h index 6b2140f966ef..7e14c2d7cf73 100644 --- a/drivers/usb/storage/unusual_realtek.h +++ b/drivers/usb/storage/unusual_realtek.h @@ -17,6 +17,11 @@ UNUSUAL_DEV(0x0bda, 0x0138, 0x0000, 0x9999, "USB Card Reader", USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0), +UNUSUAL_DEV(0x0bda, 0x0153, 0x0000, 0x9999, + "Realtek", + "USB Card Reader", + USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0), + UNUSUAL_DEV(0x0bda, 0x0158, 0x0000, 0x9999, "Realtek", "USB Card Reader", diff --git a/drivers/usb/typec/fusb302/fusb302.c b/drivers/usb/typec/fusb302/fusb302.c index 82bed9810be6..62a0060d39d8 100644 --- a/drivers/usb/typec/fusb302/fusb302.c +++ b/drivers/usb/typec/fusb302/fusb302.c @@ -641,6 +641,8 @@ static int fusb302_set_toggling(struct fusb302_chip *chip, return ret; chip->intr_togdone = false; } else { + /* Datasheet says vconn MUST be off when toggling */ + WARN(chip->vconn_on, "Vconn is on during toggle start"); /* unmask TOGDONE interrupt */ ret = fusb302_i2c_clear_bits(chip, FUSB_REG_MASKA, FUSB_REG_MASKA_TOGDONE); diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index eb8046f87a54..987b8fcfb2aa 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -39,7 +39,7 @@ #define TPS_STATUS_VCONN(s) (!!((s) & BIT(7))) /* TPS_REG_SYSTEM_CONF bits */ -#define TPS_SYSCONF_PORTINFO(c) ((c) & 3) +#define TPS_SYSCONF_PORTINFO(c) ((c) & 7) enum { TPS_PORTINFO_SINK, @@ -111,7 +111,7 @@ tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len) } static int tps6598x_block_write(struct tps6598x *tps, u8 reg, - void *val, size_t len) + const void *val, size_t len) { u8 data[TPS_MAX_LEN + 1]; @@ -157,7 +157,7 @@ static inline int tps6598x_write64(struct tps6598x *tps, u8 reg, u64 val) static inline int tps6598x_write_4cc(struct tps6598x *tps, u8 reg, const char *val) { - return tps6598x_block_write(tps, reg, &val, sizeof(u32)); + return tps6598x_block_write(tps, reg, val, 4); } static int tps6598x_read_partner_identity(struct tps6598x *tps) diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index 64833879f75d..7a386fb30bf1 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -34,6 +34,7 @@ #include <linux/uaccess.h> #include <linux/vfio.h> #include <linux/wait.h> +#include <linux/sched/signal.h> #define DRIVER_VERSION "0.3" #define DRIVER_AUTHOR "Alex Williamson <alex.williamson@redhat.com>" @@ -904,30 +905,17 @@ void *vfio_device_data(struct vfio_device *device) } EXPORT_SYMBOL_GPL(vfio_device_data); -/* Given a referenced group, check if it contains the device */ -static bool vfio_dev_present(struct vfio_group *group, struct device *dev) -{ - struct vfio_device *device; - - device = vfio_group_get_device(group, dev); - if (!device) - return false; - - vfio_device_put(device); - return true; -} - /* * Decrement the device reference count and wait for the device to be * removed. Open file descriptors for the device... */ void *vfio_del_group_dev(struct device *dev) { + DEFINE_WAIT_FUNC(wait, woken_wake_function); struct vfio_device *device = dev_get_drvdata(dev); struct vfio_group *group = device->group; void *device_data = device->device_data; struct vfio_unbound_dev *unbound; unsigned int i = 0; - long ret; bool interrupted = false; /* @@ -964,6 +952,8 @@ void *vfio_del_group_dev(struct device *dev) * interval with counter to allow the driver to take escalating * measures to release the device if it has the ability to do so. */ + add_wait_queue(&vfio.release_q, &wait); + do { device = vfio_group_get_device(group, dev); if (!device) @@ -975,12 +965,10 @@ void *vfio_del_group_dev(struct device *dev) vfio_device_put(device); if (interrupted) { - ret = wait_event_timeout(vfio.release_q, - !vfio_dev_present(group, dev), HZ * 10); + wait_woken(&wait, TASK_UNINTERRUPTIBLE, HZ * 10); } else { - ret = wait_event_interruptible_timeout(vfio.release_q, - !vfio_dev_present(group, dev), HZ * 10); - if (ret == -ERESTARTSYS) { + wait_woken(&wait, TASK_INTERRUPTIBLE, HZ * 10); + if (signal_pending(current)) { interrupted = true; dev_warn(dev, "Device is currently in use, task" @@ -989,8 +977,10 @@ void *vfio_del_group_dev(struct device *dev) current->comm, task_pid_nr(current)); } } - } while (ret <= 0); + } while (1); + + remove_wait_queue(&vfio.release_q, &wait); /* * In order to support multiple devices per group, devices can be * plucked from the group while other devices in the group are still diff --git a/drivers/video/fbdev/hgafb.c b/drivers/video/fbdev/hgafb.c index 463028543173..59e1cae57948 100644 --- a/drivers/video/fbdev/hgafb.c +++ b/drivers/video/fbdev/hgafb.c @@ -285,6 +285,8 @@ static int hga_card_detect(void) hga_vram_len = 0x08000; hga_vram = ioremap(0xb0000, hga_vram_len); + if (!hga_vram) + goto error; if (request_region(0x3b0, 12, "hgafb")) release_io_ports = 1; diff --git a/drivers/video/fbdev/imsttfb.c b/drivers/video/fbdev/imsttfb.c index ecdcf358ad5e..ffcf553719a3 100644 --- a/drivers/video/fbdev/imsttfb.c +++ b/drivers/video/fbdev/imsttfb.c @@ -1516,6 +1516,11 @@ static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) info->fix.smem_start = addr; info->screen_base = (__u8 *)ioremap(addr, par->ramdac == IBM ? 0x400000 : 0x800000); + if (!info->screen_base) { + release_mem_region(addr, size); + framebuffer_release(info); + return -ENOMEM; + } info->fix.mmio_start = addr + 0x800000; par->dc_regs = ioremap(addr + 0x800000, 0x1000); par->cmap_regs_phys = addr + 0x840000; diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 5ea8909a41f9..b165c46aca74 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -1967,6 +1967,7 @@ comment "Watchdog Pretimeout Governors" config WATCHDOG_PRETIMEOUT_GOV bool "Enable watchdog pretimeout governors" + depends on WATCHDOG_CORE help The option allows to select watchdog pretimeout governors. diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index 2b52514eaa86..7e7bdcbbc741 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -178,8 +178,10 @@ static void __imx2_wdt_set_timeout(struct watchdog_device *wdog, static int imx2_wdt_set_timeout(struct watchdog_device *wdog, unsigned int new_timeout) { - __imx2_wdt_set_timeout(wdog, new_timeout); + unsigned int actual; + actual = min(new_timeout, wdog->max_hw_heartbeat_ms * 1000); + __imx2_wdt_set_timeout(wdog, actual); wdog->timeout = new_timeout; return 0; } diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 91da7e44d5d4..3a144eecb6a7 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -538,7 +538,6 @@ out: int pvcalls_front_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) { - struct pvcalls_bedata *bedata; struct sock_mapping *map; int sent, tot_sent = 0; int count = 0, flags; @@ -550,7 +549,6 @@ int pvcalls_front_sendmsg(struct socket *sock, struct msghdr *msg, map = pvcalls_enter_sock(sock); if (IS_ERR(map)) return PTR_ERR(map); - bedata = dev_get_drvdata(&pvcalls_front_dev->dev); mutex_lock(&map->active.out_mutex); if ((flags & MSG_DONTWAIT) && !pvcalls_front_write_todo(map)) { @@ -633,7 +631,6 @@ out: int pvcalls_front_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, int flags) { - struct pvcalls_bedata *bedata; int ret; struct sock_mapping *map; @@ -643,7 +640,6 @@ int pvcalls_front_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, map = pvcalls_enter_sock(sock); if (IS_ERR(map)) return PTR_ERR(map); - bedata = dev_get_drvdata(&pvcalls_front_dev->dev); mutex_lock(&map->active.in_mutex); if (len > XEN_FLEX_RING_SIZE(PVCALLS_RING_ORDER)) diff --git a/drivers/xen/xenbus/xenbus.h b/drivers/xen/xenbus/xenbus.h index 092981171df1..d75a2385b37c 100644 --- a/drivers/xen/xenbus/xenbus.h +++ b/drivers/xen/xenbus/xenbus.h @@ -83,6 +83,7 @@ struct xb_req_data { int num_vecs; int err; enum xb_req_state state; + bool user_req; void (*cb)(struct xb_req_data *); void *par; }; @@ -133,4 +134,6 @@ void xenbus_ring_ops_init(void); int xenbus_dev_request_and_reply(struct xsd_sockmsg *msg, void *par); void xenbus_dev_queue_reply(struct xb_req_data *req); +extern unsigned int xb_dev_generation_id; + #endif diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 0782ff3c2273..39c63152a358 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -62,6 +62,8 @@ #include "xenbus.h" +unsigned int xb_dev_generation_id; + /* * An element of a list of outstanding transactions, for which we're * still waiting a reply. @@ -69,6 +71,7 @@ struct xenbus_transaction_holder { struct list_head list; struct xenbus_transaction handle; + unsigned int generation_id; }; /* @@ -441,6 +444,7 @@ static int xenbus_write_transaction(unsigned msg_type, rc = -ENOMEM; goto out; } + trans->generation_id = xb_dev_generation_id; list_add(&trans->list, &u->transactions); } else if (msg->hdr.tx_id != 0 && !xenbus_get_transaction(u, msg->hdr.tx_id)) @@ -449,6 +453,20 @@ static int xenbus_write_transaction(unsigned msg_type, !(msg->hdr.len == 2 && (!strcmp(msg->body, "T") || !strcmp(msg->body, "F")))) return xenbus_command_reply(u, XS_ERROR, "EINVAL"); + else if (msg_type == XS_TRANSACTION_END) { + trans = xenbus_get_transaction(u, msg->hdr.tx_id); + if (trans && trans->generation_id != xb_dev_generation_id) { + list_del(&trans->list); + kfree(trans); + if (!strcmp(msg->body, "T")) + return xenbus_command_reply(u, XS_ERROR, + "EAGAIN"); + else + return xenbus_command_reply(u, + XS_TRANSACTION_END, + "OK"); + } + } rc = xenbus_dev_request_and_reply(&msg->hdr, u); if (rc && trans) { diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index 49a3874ae6bb..ddc18da61834 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -105,6 +105,7 @@ static void xs_suspend_enter(void) static void xs_suspend_exit(void) { + xb_dev_generation_id++; spin_lock(&xs_state_lock); xs_suspend_active--; spin_unlock(&xs_state_lock); @@ -125,7 +126,7 @@ static uint32_t xs_request_enter(struct xb_req_data *req) spin_lock(&xs_state_lock); } - if (req->type == XS_TRANSACTION_START) + if (req->type == XS_TRANSACTION_START && !req->user_req) xs_state_users++; xs_state_users++; rq_id = xs_request_id++; @@ -140,7 +141,7 @@ void xs_request_exit(struct xb_req_data *req) spin_lock(&xs_state_lock); xs_state_users--; if ((req->type == XS_TRANSACTION_START && req->msg.type == XS_ERROR) || - (req->type == XS_TRANSACTION_END && + (req->type == XS_TRANSACTION_END && !req->user_req && !WARN_ON_ONCE(req->msg.type == XS_ERROR && !strcmp(req->body, "ENOENT")))) xs_state_users--; @@ -286,6 +287,7 @@ int xenbus_dev_request_and_reply(struct xsd_sockmsg *msg, void *par) req->num_vecs = 1; req->cb = xenbus_dev_queue_reply; req->par = par; + req->user_req = true; xs_send(req, msg); @@ -313,6 +315,7 @@ static void *xs_talkv(struct xenbus_transaction t, req->vec = iovec; req->num_vecs = num_vecs; req->cb = xs_wake_up; + req->user_req = false; msg.req_id = 0; msg.tx_id = t.id; |