diff options
author | Stefan Agner <stefan.agner@toradex.com> | 2019-08-07 13:12:09 +0200 |
---|---|---|
committer | Stefan Agner <stefan.agner@toradex.com> | 2019-08-07 13:12:09 +0200 |
commit | f1ab2f5c8a9f6e7e32481ba36db7c4d2d64c18c0 (patch) | |
tree | 400b7c8d598cf86464c13ee14c94250ea557e19a /drivers | |
parent | e1bfc3ddb9e2be45055e8e4835e22c48a1030103 (diff) | |
parent | 5697a9d3d55fad99ffc3c1ba5654426ab64df333 (diff) |
Merge tag 'v5.2.7' into toradex_5.2.y
This is the 5.2.7 stable release
Diffstat (limited to 'drivers')
217 files changed, 1695 insertions, 743 deletions
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index ad2c565f5cbe..a86a770c9b79 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -17,7 +17,9 @@ #include "internal.h" +#ifdef CONFIG_DMI static const struct dmi_system_id acpi_rev_dmi_table[] __initconst; +#endif /* * POLICY: If *anything* doesn't work, put it on the blacklist. @@ -61,7 +63,9 @@ int __init acpi_blacklisted(void) } (void)early_acpi_osi_init(); +#ifdef CONFIG_DMI dmi_check_system(acpi_rev_dmi_table); +#endif return blacklisted; } diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 38a59a630cd4..dc1c83eafc22 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2988,7 +2988,7 @@ static void binder_transaction(struct binder_proc *proc, else return_error = BR_DEAD_REPLY; mutex_unlock(&context->context_mgr_node_lock); - if (target_node && target_proc == proc) { + if (target_node && target_proc->pid == proc->pid) { binder_user_error("%d:%d got transaction to context manager from process owning it\n", proc->pid, thread->pid); return_error = BR_FAILED_REPLY; @@ -3239,7 +3239,8 @@ static void binder_transaction(struct binder_proc *proc, buffer_offset = off_start_offset; off_end_offset = off_start_offset + tr->offsets_size; sg_buf_offset = ALIGN(off_end_offset, sizeof(void *)); - sg_buf_end_offset = sg_buf_offset + extra_buffers_size; + sg_buf_end_offset = sg_buf_offset + extra_buffers_size - + ALIGN(secctx_sz, sizeof(u64)); off_min = 0; for (buffer_offset = off_start_offset; buffer_offset < off_end_offset; buffer_offset += sizeof(binder_size_t)) { diff --git a/drivers/base/core.c b/drivers/base/core.c index fd7511e04e62..eaf3aa0cb803 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2211,6 +2211,24 @@ void put_device(struct device *dev) } EXPORT_SYMBOL_GPL(put_device); +bool kill_device(struct device *dev) +{ + /* + * Require the device lock and set the "dead" flag to guarantee that + * the update behavior is consistent with the other bitfields near + * it and that we cannot have an asynchronous probe routine trying + * to run while we are tearing out the bus/class/sysfs from + * underneath the device. + */ + lockdep_assert_held(&dev->mutex); + + if (dev->p->dead) + return false; + dev->p->dead = true; + return true; +} +EXPORT_SYMBOL_GPL(kill_device); + /** * device_del - delete device from system. * @dev: device. @@ -2230,15 +2248,8 @@ void device_del(struct device *dev) struct kobject *glue_dir = NULL; struct class_interface *class_intf; - /* - * Hold the device lock and set the "dead" flag to guarantee that - * the update behavior is consistent with the other bitfields near - * it and that we cannot have an asynchronous probe routine trying - * to run while we are tearing out the bus/class/sysfs from - * underneath the device. - */ device_lock(dev); - dev->p->dead = true; + kill_device(dev); device_unlock(dev); /* Notify clients of device removal. This call must come diff --git a/drivers/block/loop.c b/drivers/block/loop.c index f11b7dc16e9d..430d31499ce9 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -932,6 +932,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, struct file *file; struct inode *inode; struct address_space *mapping; + struct block_device *claimed_bdev = NULL; int lo_flags = 0; int error; loff_t size; @@ -950,10 +951,11 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, * here to avoid changing device under exclusive owner. */ if (!(mode & FMODE_EXCL)) { - bdgrab(bdev); - error = blkdev_get(bdev, mode | FMODE_EXCL, loop_set_fd); - if (error) + claimed_bdev = bd_start_claiming(bdev, loop_set_fd); + if (IS_ERR(claimed_bdev)) { + error = PTR_ERR(claimed_bdev); goto out_putf; + } } error = mutex_lock_killable(&loop_ctl_mutex); @@ -1023,15 +1025,15 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, mutex_unlock(&loop_ctl_mutex); if (partscan) loop_reread_partitions(lo, bdev); - if (!(mode & FMODE_EXCL)) - blkdev_put(bdev, mode | FMODE_EXCL); + if (claimed_bdev) + bd_abort_claiming(bdev, claimed_bdev, loop_set_fd); return 0; out_unlock: mutex_unlock(&loop_ctl_mutex); out_bdev: - if (!(mode & FMODE_EXCL)) - blkdev_put(bdev, mode | FMODE_EXCL); + if (claimed_bdev) + bd_abort_claiming(bdev, claimed_bdev, loop_set_fd); out_putf: fput(file); out: diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 3a9bca3aa093..57aebc6e1c28 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1229,7 +1229,7 @@ static void nbd_clear_sock_ioctl(struct nbd_device *nbd, struct block_device *bdev) { sock_shutdown(nbd); - kill_bdev(bdev); + __invalidate_device(bdev, true); nbd_bdev_reset(bdev); if (test_and_clear_bit(NBD_HAS_CONFIG_REF, &nbd->config->runtime_flags)) diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c index a55be205b91a..dbfe34664633 100644 --- a/drivers/bluetooth/hci_ath.c +++ b/drivers/bluetooth/hci_ath.c @@ -98,6 +98,9 @@ static int ath_open(struct hci_uart *hu) BT_DBG("hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + ath = kzalloc(sizeof(*ath), GFP_KERNEL); if (!ath) return -ENOMEM; diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 8905ad2edde7..ae2624fce913 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -406,6 +406,9 @@ static int bcm_open(struct hci_uart *hu) bt_dev_dbg(hu->hdev, "hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + bcm = kzalloc(sizeof(*bcm), GFP_KERNEL); if (!bcm) return -ENOMEM; diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c index 207bae5e0d46..31f25153087d 100644 --- a/drivers/bluetooth/hci_intel.c +++ b/drivers/bluetooth/hci_intel.c @@ -391,6 +391,9 @@ static int intel_open(struct hci_uart *hu) BT_DBG("hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + intel = kzalloc(sizeof(*intel), GFP_KERNEL); if (!intel) return -ENOMEM; diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index c84f985f348d..c953f14656b5 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -284,6 +284,19 @@ static int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb) return 0; } +/* Check the underlying device or tty has flow control support */ +bool hci_uart_has_flow_control(struct hci_uart *hu) +{ + /* serdev nodes check if the needed operations are present */ + if (hu->serdev) + return true; + + if (hu->tty->driver->ops->tiocmget && hu->tty->driver->ops->tiocmset) + return true; + + return false; +} + /* Flow control or un-flow control the device */ void hci_uart_set_flow_control(struct hci_uart *hu, bool enable) { diff --git a/drivers/bluetooth/hci_mrvl.c b/drivers/bluetooth/hci_mrvl.c index 50212ac629e3..49dcf198ffd8 100644 --- a/drivers/bluetooth/hci_mrvl.c +++ b/drivers/bluetooth/hci_mrvl.c @@ -52,6 +52,9 @@ static int mrvl_open(struct hci_uart *hu) BT_DBG("hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + mrvl = kzalloc(sizeof(*mrvl), GFP_KERNEL); if (!mrvl) return -ENOMEM; diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 9d273cdde563..f41fb2c02e4f 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -458,6 +458,9 @@ static int qca_open(struct hci_uart *hu) BT_DBG("hu %p qca_open", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + qca = kzalloc(sizeof(struct qca_data), GFP_KERNEL); if (!qca) return -ENOMEM; diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index d8cf005e3c5d..22c278b13ab9 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -103,6 +103,7 @@ int hci_uart_tx_wakeup(struct hci_uart *hu); int hci_uart_init_ready(struct hci_uart *hu); void hci_uart_init_work(struct work_struct *work); void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); +bool hci_uart_has_flow_control(struct hci_uart *hu); void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, unsigned int oper_speed); diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 5c39f20378b8..9ac6671bb514 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -567,8 +567,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets, unsigned long long m; m = hpets->hp_tick_freq + (dis >> 1); - do_div(m, dis); - return (unsigned long)m; + return div64_ul(m, dis); } static int diff --git a/drivers/char/ipmi/ipmi_si_platform.c b/drivers/char/ipmi/ipmi_si_platform.c index f2a91c4d8cab..0cd849675d99 100644 --- a/drivers/char/ipmi/ipmi_si_platform.c +++ b/drivers/char/ipmi/ipmi_si_platform.c @@ -19,6 +19,7 @@ #include "ipmi_si.h" #include "ipmi_dmi.h" +static bool platform_registered; static bool si_tryplatform = true; #ifdef CONFIG_ACPI static bool si_tryacpi = true; @@ -469,9 +470,12 @@ void ipmi_si_platform_init(void) int rv = platform_driver_register(&ipmi_platform_driver); if (rv) pr_err("Unable to register driver: %d\n", rv); + else + platform_registered = true; } void ipmi_si_platform_shutdown(void) { - platform_driver_unregister(&ipmi_platform_driver); + if (platform_registered) + platform_driver_unregister(&ipmi_platform_driver); } diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index cf8156d6bc07..305fa5054274 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -303,6 +303,7 @@ struct ssif_info { ((unsigned int) atomic_read(&(ssif)->stats[SSIF_STAT_ ## stat])) static bool initialized; +static bool platform_registered; static void return_hosed_msg(struct ssif_info *ssif_info, struct ipmi_smi_msg *msg); @@ -2088,6 +2089,8 @@ static int init_ipmi_ssif(void) rv = platform_driver_register(&ipmi_driver); if (rv) pr_err("Unable to register driver: %d\n", rv); + else + platform_registered = true; } ssif_i2c_driver.address_list = ssif_address_list(); @@ -2111,7 +2114,7 @@ static void cleanup_ipmi_ssif(void) kfree(ssif_i2c_driver.address_list); - if (ssif_trydmi) + if (ssif_trydmi && platform_registered) platform_driver_unregister(&ipmi_driver); free_ssif_clients(); diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index d47ad10a35fe..bf868260f435 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -77,6 +77,18 @@ static int tpm_go_idle(struct tpm_chip *chip) return chip->ops->go_idle(chip); } +static void tpm_clk_enable(struct tpm_chip *chip) +{ + if (chip->ops->clk_enable) + chip->ops->clk_enable(chip, true); +} + +static void tpm_clk_disable(struct tpm_chip *chip) +{ + if (chip->ops->clk_enable) + chip->ops->clk_enable(chip, false); +} + /** * tpm_chip_start() - power on the TPM * @chip: a TPM chip to use @@ -89,13 +101,12 @@ int tpm_chip_start(struct tpm_chip *chip) { int ret; - if (chip->ops->clk_enable) - chip->ops->clk_enable(chip, true); + tpm_clk_enable(chip); if (chip->locality == -1) { ret = tpm_request_locality(chip); if (ret) { - chip->ops->clk_enable(chip, false); + tpm_clk_disable(chip); return ret; } } @@ -103,8 +114,7 @@ int tpm_chip_start(struct tpm_chip *chip) ret = tpm_cmd_ready(chip); if (ret) { tpm_relinquish_locality(chip); - if (chip->ops->clk_enable) - chip->ops->clk_enable(chip, false); + tpm_clk_disable(chip); return ret; } @@ -124,8 +134,7 @@ void tpm_chip_stop(struct tpm_chip *chip) { tpm_go_idle(chip); tpm_relinquish_locality(chip); - if (chip->ops->clk_enable) - chip->ops->clk_enable(chip, false); + tpm_clk_disable(chip); } EXPORT_SYMBOL_GPL(tpm_chip_stop); diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index 9d8651033ae9..bc01611c7723 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -25,9 +25,11 @@ static const struct mtk_fixed_clk top_fixed_clks[] = { FIXED_CLK(CLK_TOP_UNIVP_192M, "univpll_192m", "univpll", 192000000), }; +static const struct mtk_fixed_factor top_early_divs[] = { + FACTOR(CLK_TOP_CLK13M, "clk13m", "clk26m", 1, 2), +}; + static const struct mtk_fixed_factor top_divs[] = { - FACTOR(CLK_TOP_CLK13M, "clk13m", "clk26m", 1, - 2), FACTOR(CLK_TOP_F26M_CK_D2, "csw_f26m_ck_d2", "clk26m", 1, 2), FACTOR(CLK_TOP_SYSPLL_CK, "syspll_ck", "mainpll", 1, @@ -1167,37 +1169,57 @@ static int clk_mt8183_apmixed_probe(struct platform_device *pdev) return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); } +static struct clk_onecell_data *top_clk_data; + +static void clk_mt8183_top_init_early(struct device_node *node) +{ + int i; + + top_clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); + + for (i = 0; i < CLK_TOP_NR_CLK; i++) + top_clk_data->clks[i] = ERR_PTR(-EPROBE_DEFER); + + mtk_clk_register_factors(top_early_divs, ARRAY_SIZE(top_early_divs), + top_clk_data); + + of_clk_add_provider(node, of_clk_src_onecell_get, top_clk_data); +} + +CLK_OF_DECLARE_DRIVER(mt8183_topckgen, "mediatek,mt8183-topckgen", + clk_mt8183_top_init_early); + static int clk_mt8183_top_probe(struct platform_device *pdev) { struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); void __iomem *base; - struct clk_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) return PTR_ERR(base); - clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); - mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), - clk_data); + top_clk_data); + + mtk_clk_register_factors(top_early_divs, ARRAY_SIZE(top_early_divs), + top_clk_data); - mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); + mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), top_clk_data); mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), - node, &mt8183_clk_lock, clk_data); + node, &mt8183_clk_lock, top_clk_data); mtk_clk_register_composites(top_aud_muxes, ARRAY_SIZE(top_aud_muxes), - base, &mt8183_clk_lock, clk_data); + base, &mt8183_clk_lock, top_clk_data); mtk_clk_register_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), - base, &mt8183_clk_lock, clk_data); + base, &mt8183_clk_lock, top_clk_data); mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks), - clk_data); + top_clk_data); - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + return of_clk_add_provider(node, of_clk_src_onecell_get, top_clk_data); } static int clk_mt8183_infra_probe(struct platform_device *pdev) diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c index f76850d99e59..d3f42e086431 100644 --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -119,9 +119,12 @@ static int mpll_set_rate(struct clk_hw *hw, meson_parm_write(clk->map, &mpll->sdm, sdm); meson_parm_write(clk->map, &mpll->sdm_en, 1); - /* Set additional fractional part enable if required */ - if (MESON_PARM_APPLICABLE(&mpll->ssen)) - meson_parm_write(clk->map, &mpll->ssen, 1); + /* Set spread spectrum if possible */ + if (MESON_PARM_APPLICABLE(&mpll->ssen)) { + unsigned int ss = + mpll->flags & CLK_MESON_MPLL_SPREAD_SPECTRUM ? 1 : 0; + meson_parm_write(clk->map, &mpll->ssen, ss); + } /* Set the integer divider part */ meson_parm_write(clk->map, &mpll->n2, n2); diff --git a/drivers/clk/meson/clk-mpll.h b/drivers/clk/meson/clk-mpll.h index cf79340006dd..0f948430fed4 100644 --- a/drivers/clk/meson/clk-mpll.h +++ b/drivers/clk/meson/clk-mpll.h @@ -23,6 +23,7 @@ struct meson_clk_mpll_data { }; #define CLK_MESON_MPLL_ROUND_CLOSEST BIT(0) +#define CLK_MESON_MPLL_SPREAD_SPECTRUM BIT(1) extern const struct clk_ops meson_clk_mpll_ro_ops; extern const struct clk_ops meson_clk_mpll_ops; diff --git a/drivers/clk/sprd/sc9860-clk.c b/drivers/clk/sprd/sc9860-clk.c index 9980ab55271b..f76305b4bc8d 100644 --- a/drivers/clk/sprd/sc9860-clk.c +++ b/drivers/clk/sprd/sc9860-clk.c @@ -2023,6 +2023,7 @@ static int sc9860_clk_probe(struct platform_device *pdev) { const struct of_device_id *match; const struct sprd_clk_desc *desc; + int ret; match = of_match_node(sprd_sc9860_clk_ids, pdev->dev.of_node); if (!match) { @@ -2031,7 +2032,9 @@ static int sc9860_clk_probe(struct platform_device *pdev) } desc = match->data; - sprd_clk_regmap_init(pdev, desc); + ret = sprd_clk_regmap_init(pdev, desc); + if (ret) + return ret; return sprd_clk_probe(&pdev->dev, desc->hw_clks); } diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index ac1d27a8c650..e5470a6bbf55 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -2204,9 +2204,9 @@ static struct div_nmp pllu_nmp = { }; static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { - { 12000000, 480000000, 40, 1, 0, 0 }, - { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */ - { 38400000, 480000000, 25, 2, 0, 0 }, + { 12000000, 480000000, 40, 1, 1, 0 }, + { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */ + { 38400000, 480000000, 25, 2, 1, 0 }, { 0, 0, 0, 0, 0, 0 }, }; @@ -3333,6 +3333,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 }, + { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, @@ -3357,7 +3358,6 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, - { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index de5a8ca70d3d..6b17d179ef8a 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -24,10 +24,6 @@ #include "sp-dev.h" #include "psp-dev.h" -#define SEV_VERSION_GREATER_OR_EQUAL(_maj, _min) \ - ((psp_master->api_major) >= _maj && \ - (psp_master->api_minor) >= _min) - #define DEVICE_NAME "sev" #define SEV_FW_FILE "amd/sev.fw" #define SEV_FW_NAME_SIZE 64 @@ -47,6 +43,15 @@ MODULE_PARM_DESC(psp_probe_timeout, " default timeout value, in seconds, during static bool psp_dead; static int psp_timeout; +static inline bool sev_version_greater_or_equal(u8 maj, u8 min) +{ + if (psp_master->api_major > maj) + return true; + if (psp_master->api_major == maj && psp_master->api_minor >= min) + return true; + return false; +} + static struct psp_device *psp_alloc_struct(struct sp_device *sp) { struct device *dev = sp->dev; @@ -588,7 +593,7 @@ static int sev_ioctl_do_get_id2(struct sev_issue_cmd *argp) int ret; /* SEV GET_ID is available from SEV API v0.16 and up */ - if (!SEV_VERSION_GREATER_OR_EQUAL(0, 16)) + if (!sev_version_greater_or_equal(0, 16)) return -ENOTSUPP; if (copy_from_user(&input, (void __user *)argp->data, sizeof(input))) @@ -651,7 +656,7 @@ static int sev_ioctl_do_get_id(struct sev_issue_cmd *argp) int ret; /* SEV GET_ID available from SEV API v0.16 and up */ - if (!SEV_VERSION_GREATER_OR_EQUAL(0, 16)) + if (!sev_version_greater_or_equal(0, 16)) return -ENOTSUPP; /* SEV FW expects the buffer it fills with the ID to be @@ -1053,7 +1058,7 @@ void psp_pci_init(void) psp_master->sev_state = SEV_STATE_UNINIT; } - if (SEV_VERSION_GREATER_OR_EQUAL(0, 15) && + if (sev_version_greater_or_equal(0, 15) && sev_update_firmware(psp_master->dev) == 0) sev_get_api_version(); diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c index a02318c6d28a..4c0131857133 100644 --- a/drivers/dax/kmem.c +++ b/drivers/dax/kmem.c @@ -66,8 +66,11 @@ int dev_dax_kmem_probe(struct device *dev) new_res->name = dev_name(dev); rc = add_memory(numa_node, new_res->start, resource_size(new_res)); - if (rc) + if (rc) { + release_resource(new_res); + kfree(new_res); return rc; + } return 0; } diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index bf4d4c80fbc6..a6fee5a6e9fb 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -1057,6 +1057,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused) fence->ops->get_driver_name(fence), fence->ops->get_timeline_name(fence), dma_fence_is_signaled(fence) ? "" : "un"); + dma_fence_put(fence); } rcu_read_unlock(); diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c index 4d32e2c67862..4447e13d1e89 100644 --- a/drivers/dma-buf/reservation.c +++ b/drivers/dma-buf/reservation.c @@ -365,6 +365,10 @@ int reservation_object_get_fences_rcu(struct reservation_object *obj, GFP_NOWAIT | __GFP_NOWARN); if (!nshared) { rcu_read_unlock(); + + dma_fence_put(fence_excl); + fence_excl = NULL; + nshared = krealloc(shared, sz, GFP_KERNEL); if (nshared) { shared = nshared; diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 33ab1b607e2b..54de669c38b8 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1165,7 +1165,7 @@ rcar_dmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, struct rcar_dmac_chan *rchan = to_rcar_dmac_chan(chan); /* Someone calling slave DMA on a generic channel? */ - if (rchan->mid_rid < 0 || !sg_len) { + if (rchan->mid_rid < 0 || !sg_len || !sg_dma_len(sgl)) { dev_warn(chan->device->dev, "%s: bad parameter: len=%d, id=%d\n", __func__, sg_len, rchan->mid_rid); diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index ef317c90fbe1..79e9593815f1 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -977,8 +977,12 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg( csr |= tdc->slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT; } - if (flags & DMA_PREP_INTERRUPT) + if (flags & DMA_PREP_INTERRUPT) { csr |= TEGRA_APBDMA_CSR_IE_EOC; + } else { + WARN_ON_ONCE(1); + return NULL; + } apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1; @@ -1120,8 +1124,12 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( csr |= tdc->slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT; } - if (flags & DMA_PREP_INTERRUPT) + if (flags & DMA_PREP_INTERRUPT) { csr |= TEGRA_APBDMA_CSR_IE_EOC; + } else { + WARN_ON_ONCE(1); + return NULL; + } apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1; diff --git a/drivers/firmware/psci/psci_checker.c b/drivers/firmware/psci/psci_checker.c index 08c85099d4d0..f3659443f8c2 100644 --- a/drivers/firmware/psci/psci_checker.c +++ b/drivers/firmware/psci/psci_checker.c @@ -359,16 +359,16 @@ static int suspend_test_thread(void *arg) for (;;) { /* Needs to be set first to avoid missing a wakeup. */ set_current_state(TASK_INTERRUPTIBLE); - if (kthread_should_stop()) { - __set_current_state(TASK_RUNNING); + if (kthread_should_park()) break; - } schedule(); } pr_info("CPU %d suspend test results: success %d, shallow states %d, errors %d\n", cpu, nb_suspend, nb_shallow_sleep, nb_err); + kthread_parkme(); + return nb_err; } @@ -433,8 +433,10 @@ static int suspend_tests(void) /* Stop and destroy all threads, get return status. */ - for (i = 0; i < nb_threads; ++i) + for (i = 0; i < nb_threads; ++i) { + err += kthread_park(threads[i]); err += kthread_stop(threads[i]); + } out: cpuidle_resume_and_unlock(); kfree(threads); diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig index 8072c195d831..dd414250e77e 100644 --- a/drivers/fpga/Kconfig +++ b/drivers/fpga/Kconfig @@ -40,6 +40,7 @@ config ALTERA_PR_IP_CORE_PLAT config FPGA_MGR_ALTERA_PS_SPI tristate "Altera FPGA Passive Serial over SPI" depends on SPI + select BITREVERSE help FPGA manager driver support for Altera Arria/Cyclone/Stratix using the passive serial interface over SPI. diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 3bbf5804bd11..de4da2ed7955 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -238,8 +238,9 @@ static int davinci_gpio_probe(struct platform_device *pdev) for (i = 0; i < nirq; i++) { chips->irqs[i] = platform_get_irq(pdev, i); if (chips->irqs[i] < 0) { - dev_info(dev, "IRQ not populated, err = %d\n", - chips->irqs[i]); + if (chips->irqs[i] != -EPROBE_DEFER) + dev_info(dev, "IRQ not populated, err = %d\n", + chips->irqs[i]); return chips->irqs[i]; } } diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 9c9b965d7d6d..c9325efc1783 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -118,15 +118,8 @@ static void of_gpio_flags_quirks(struct device_node *np, * Legacy handling of SPI active high chip select. If we have a * property named "cs-gpios" we need to inspect the child node * to determine if the flags should have inverted semantics. - * - * This does not apply to an SPI device named "spi-gpio", because - * these have traditionally obtained their own GPIOs by parsing - * the device tree directly and did not respect any "spi-cs-high" - * property on the SPI bus children. */ - if (IS_ENABLED(CONFIG_SPI_MASTER) && - !strcmp(propname, "cs-gpios") && - !of_device_is_compatible(np, "spi-gpio") && + if (IS_ENABLED(CONFIG_SPI_MASTER) && !strcmp(propname, "cs-gpios") && of_property_read_bool(np, "cs-gpios")) { struct device_node *child; u32 cs; @@ -161,6 +154,7 @@ static void of_gpio_flags_quirks(struct device_node *np, of_node_full_name(child)); *flags |= OF_GPIO_ACTIVE_LOW; } + of_node_put(child); break; } } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index bb3104d2eb0c..4f333d6f2e23 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -956,9 +956,11 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip) } if (eflags & GPIOEVENT_REQUEST_RISING_EDGE) - irqflags |= IRQF_TRIGGER_RISING; + irqflags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING; if (eflags & GPIOEVENT_REQUEST_FALLING_EDGE) - irqflags |= IRQF_TRIGGER_FALLING; + irqflags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING; irqflags |= IRQF_ONESHOT; INIT_KFIFO(le->events); @@ -1392,12 +1394,17 @@ int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, for (i = 0; i < chip->ngpio; i++) { struct gpio_desc *desc = &gdev->descs[i]; - if (chip->get_direction && gpiochip_line_is_valid(chip, i)) - desc->flags = !chip->get_direction(chip, i) ? - (1 << FLAG_IS_OUT) : 0; - else - desc->flags = !chip->direction_input ? - (1 << FLAG_IS_OUT) : 0; + if (chip->get_direction && gpiochip_line_is_valid(chip, i)) { + if (!chip->get_direction(chip, i)) + set_bit(FLAG_IS_OUT, &desc->flags); + else + clear_bit(FLAG_IS_OUT, &desc->flags); + } else { + if (!chip->direction_input) + set_bit(FLAG_IS_OUT, &desc->flags); + else + clear_bit(FLAG_IS_OUT, &desc->flags); + } } acpi_gpiochip_add(chip); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index a6e5184d436c..4b192e0ce92f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -896,6 +896,9 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info, AMDGPU_FENCE_OWNER_KFD, false); if (ret) goto wait_pd_fail; + ret = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv, 1); + if (ret) + goto reserve_shared_fail; amdgpu_bo_fence(vm->root.base.bo, &vm->process_info->eviction_fence->base, true); amdgpu_bo_unreserve(vm->root.base.bo); @@ -909,6 +912,7 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info, return 0; +reserve_shared_fail: wait_pd_fail: validate_pd_fail: amdgpu_bo_unreserve(vm->root.base.bo); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 72837b8c7031..c2086eb00555 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1163,6 +1163,9 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL); WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp); + WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8)); + WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40)); + /* After HDP is initialized, flush HDP.*/ adev->nbio_funcs->hdp_flush(adev, NULL); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index ae381450601c..afbaf6f5131e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -1268,12 +1268,17 @@ int amdkfd_fence_wait_timeout(unsigned int *fence_addr, return 0; } -static int unmap_sdma_queues(struct device_queue_manager *dqm, - unsigned int sdma_engine) +static int unmap_sdma_queues(struct device_queue_manager *dqm) { - return pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_SDMA, - KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false, - sdma_engine); + int i, retval = 0; + + for (i = 0; i < dqm->dev->device_info->num_sdma_engines; i++) { + retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_SDMA, + KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false, i); + if (retval) + return retval; + } + return retval; } /* dqm->lock mutex has to be locked before calling this function */ @@ -1312,10 +1317,8 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm, pr_debug("Before destroying queues, sdma queue count is : %u\n", dqm->sdma_queue_count); - if (dqm->sdma_queue_count > 0) { - unmap_sdma_queues(dqm, 0); - unmap_sdma_queues(dqm, 1); - } + if (dqm->sdma_queue_count > 0) + unmap_sdma_queues(dqm); retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_COMPUTE, filter, filter_param, false, 0); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index 9dbba609450e..8fe74b821b32 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -76,6 +76,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, struct v9_mqd *m; struct kfd_dev *kfd = mm->dev; + *mqd_mem_obj = NULL; /* From V9, for CWSR, the control stack is located on the next page * boundary after the mqd, we will use the gtt allocation function * instead of sub-allocation function. @@ -93,8 +94,10 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, } else retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd), mqd_mem_obj); - if (retval != 0) + if (retval) { + kfree(*mqd_mem_obj); return -ENOMEM; + } m = (struct v9_mqd *) (*mqd_mem_obj)->cpu_ptr; addr = (*mqd_mem_obj)->gpu_addr; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index ab7c5c3004ee..dc3ac66a4450 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2592,7 +2592,7 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev, address->type = PLN_ADDR_TYPE_GRAPHICS; address->grph.addr.low_part = lower_32_bits(afb->address); address->grph.addr.high_part = upper_32_bits(afb->address); - } else { + } else if (format < SURFACE_PIXEL_FORMAT_INVALID) { uint64_t chroma_addr = afb->address + fb->offsets[1]; plane_size->video.luma_size.x = 0; @@ -4627,6 +4627,13 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, { struct amdgpu_device *adev = dm->ddev->dev_private; + /* + * Some of the properties below require access to state, like bpc. + * Allocate some default initial connector state with our reset helper. + */ + if (aconnector->base.funcs->reset) + aconnector->base.funcs->reset(&aconnector->base); + aconnector->connector_id = link_index; aconnector->dc_link = link; aconnector->base.interlace_allowed = false; @@ -4809,9 +4816,6 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, &aconnector->base, &amdgpu_dm_connector_helper_funcs); - if (aconnector->base.funcs->reset) - aconnector->base.funcs->reset(&aconnector->base); - amdgpu_dm_connector_init_helper( dm, aconnector, @@ -4952,12 +4956,12 @@ static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc, int x, y; int xorigin = 0, yorigin = 0; - if (!crtc || !plane->state->fb) { - position->enable = false; - position->x = 0; - position->y = 0; + position->enable = false; + position->x = 0; + position->y = 0; + + if (!crtc || !plane->state->fb) return 0; - } if ((plane->state->crtc_w > amdgpu_crtc->max_cursor_width) || (plane->state->crtc_h > amdgpu_crtc->max_cursor_height)) { @@ -4971,6 +4975,10 @@ static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc, x = plane->state->crtc_x; y = plane->state->crtc_y; + if (x <= -amdgpu_crtc->max_cursor_width || + y <= -amdgpu_crtc->max_cursor_height) + return 0; + if (crtc->primary->state) { /* avivo cursor are offset into the total surface */ x += crtc->primary->state->src_x >> 16; @@ -6327,6 +6335,10 @@ static bool should_reset_plane(struct drm_atomic_state *state, if (!new_crtc_state) return true; + /* CRTC Degamma changes currently require us to recreate planes. */ + if (new_crtc_state->color_mgmt_changed) + return true; + if (drm_atomic_crtc_needs_modeset(new_crtc_state)) return true; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 18c775a950cc..ee6b646180b6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1138,9 +1138,6 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c const struct dc_link *link = context->streams[i]->link; struct dc_stream_status *status; - if (context->streams[i]->apply_seamless_boot_optimization) - context->streams[i]->apply_seamless_boot_optimization = false; - if (!context->streams[i]->mode_changed) continue; @@ -1792,10 +1789,15 @@ static void commit_planes_for_stream(struct dc *dc, if (dc->optimize_seamless_boot && surface_count > 0) { /* Optimize seamless boot flag keeps clocks and watermarks high until * first flip. After first flip, optimization is required to lower - * bandwidth. + * bandwidth. Important to note that it is expected UEFI will + * only light up a single display on POST, therefore we only expect + * one stream with seamless boot flag set. */ - dc->optimize_seamless_boot = false; - dc->optimized_required = true; + if (stream->apply_seamless_boot_optimization) { + stream->apply_seamless_boot_optimization = false; + dc->optimize_seamless_boot = false; + dc->optimized_required = true; + } } if (update_type == UPDATE_TYPE_FULL && !dc->optimize_seamless_boot) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index b37ecc3ede61..a3ff33ff6da1 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -960,6 +960,12 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason) link->type = dc_connection_none; sink_caps.signal = SIGNAL_TYPE_NONE; + /* When we unplug a passive DP-HDMI dongle connection, dongle_max_pix_clk + * is not cleared. If we emulate a DP signal on this connection, it thinks + * the dongle is still there and limits the number of modes we can emulate. + * Clear dongle_max_pix_clk on disconnect to fix this + */ + link->dongle_max_pix_clk = 0; } LINK_INFO("link=%d, dc_sink_in=%p is now %s prev_sink=%p dpcd same=%d edid same=%d\n", diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 1ee544a32ebb..253311864cdd 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1624,8 +1624,7 @@ static bool decide_edp_link_settings(struct dc_link *link, struct dc_link_settin uint32_t link_bw; if (link->dpcd_caps.dpcd_rev.raw < DPCD_REV_14 || - link->dpcd_caps.edp_supported_link_rates_count == 0 || - link->dc->config.optimize_edp_link_rate == false) { + link->dpcd_caps.edp_supported_link_rates_count == 0) { *link_setting = link->verified_link_cap; return true; } @@ -2597,7 +2596,8 @@ void detect_edp_sink_caps(struct dc_link *link) memset(supported_link_rates, 0, sizeof(supported_link_rates)); if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_14 && - link->dc->config.optimize_edp_link_rate) { + (link->dc->config.optimize_edp_link_rate || + link->reported_link_cap.link_rate == LINK_RATE_UNKNOWN)) { // Read DPCD 00010h - 0001Fh 16 bytes at one shot core_link_read_dpcd(link, DP_SUPPORTED_LINK_RATES, supported_link_rates, sizeof(supported_link_rates)); @@ -2612,6 +2612,9 @@ void detect_edp_sink_caps(struct dc_link *link) link_rate = linkRateInKHzToLinkRateMultiplier(link_rate_in_khz); link->dpcd_caps.edp_supported_link_rates[link->dpcd_caps.edp_supported_link_rates_count] = link_rate; link->dpcd_caps.edp_supported_link_rates_count++; + + if (link->reported_link_cap.link_rate < link_rate) + link->reported_link_cap.link_rate = link_rate; } } } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index eac7186e4f08..12142d13f22f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2034,6 +2034,9 @@ enum dc_status resource_map_pool_resources( if (context->streams[i] == stream) { context->stream_status[i].primary_otg_inst = pipe_ctx->stream_res.tg->inst; context->stream_status[i].stream_enc_inst = pipe_ctx->stream_res.stream_enc->id; + context->stream_status[i].audio_inst = + pipe_ctx->stream_res.audio ? pipe_ctx->stream_res.audio->inst : -1; + return DC_OK; } diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 189bdab929a5..c20803b71fa5 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -42,6 +42,7 @@ struct dc_stream_status { int primary_otg_inst; int stream_enc_inst; int plane_count; + int audio_inst; struct timing_sync_info timing_sync_info; struct dc_plane_state *plane_states[MAX_SURFACE_NUM]; }; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c index da96229db53a..2959c3c9390b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c @@ -473,6 +473,8 @@ void dce_abm_destroy(struct abm **abm) { struct dce_abm *abm_dce = TO_DCE_ABM(*abm); + abm_dce->base.funcs->set_abm_immediate_disable(*abm); + kfree(abm_dce); *abm = NULL; } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c index 818536eea00a..c6a607cd0e4b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c @@ -388,6 +388,9 @@ static bool dcn10_dmcu_init(struct dmcu *dmcu) /* Set initialized ramping boundary value */ REG_WRITE(MASTER_COMM_DATA_REG1, 0xFFFF); + /* Set backlight ramping stepsize */ + REG_WRITE(MASTER_COMM_DATA_REG2, abm_gain_stepsize); + /* Set command to initialize microcontroller */ REG_UPDATE(MASTER_COMM_CMD_REG, MASTER_COMM_CMD_REG_BYTE0, MCP_INIT_DMCU); diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h index 60ce56f60ae3..5bd0df55aa5d 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h @@ -263,4 +263,6 @@ struct dmcu *dcn10_dmcu_create( void dce_dmcu_destroy(struct dmcu **dmcu); +static const uint32_t abm_gain_stepsize = 0x0060; + #endif /* _DCE_ABM_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 7ac50ab1b762..7d7e93c87c28 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -242,6 +242,9 @@ static void build_prescale_params(struct ipp_prescale_params *prescale_params, prescale_params->mode = IPP_PRESCALE_MODE_FIXED_UNSIGNED; switch (plane_state->format) { + case SURFACE_PIXEL_FORMAT_GRPH_RGB565: + prescale_params->scale = 0x2082; + break; case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888: case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888: prescale_params->scale = 0x2020; 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 33d311cea28c..9e4d70a0055e 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 @@ -23,6 +23,7 @@ * */ +#include <linux/delay.h> #include "dm_services.h" #include "core_types.h" #include "resource.h" diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c index a1055413bade..31f867bb5afe 100644 --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c @@ -1564,7 +1564,8 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf, output_tf->type = TF_TYPE_DISTRIBUTED_POINTS; - if (ramp && (mapUserRamp || ramp->type != GAMMA_RGB_256)) { + if (ramp && ramp->type != GAMMA_CS_TFM_1D && + (mapUserRamp || ramp->type != GAMMA_RGB_256)) { rgb_user = kvcalloc(ramp->num_entries + _EXTRA_POINTS, sizeof(*rgb_user), GFP_KERNEL); diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index b86cc705138c..d8b945596b09 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -7,6 +7,7 @@ #include <linux/slab.h> #include <drm/drm_fb_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_atomic_helper.h> #include "bochs.h" @@ -171,6 +172,7 @@ static void bochs_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); + drm_atomic_helper_shutdown(dev); drm_dev_unregister(dev); bochs_unload(dev); drm_dev_put(dev); diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 1211b5379df1..8e3c5e599eba 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -229,10 +229,11 @@ static void sii902x_bridge_mode_set(struct drm_bridge *bridge, struct regmap *regmap = sii902x->regmap; u8 buf[HDMI_INFOFRAME_SIZE(AVI)]; struct hdmi_avi_infoframe frame; + u16 pixel_clock_10kHz = adj->clock / 10; int ret; - buf[0] = adj->clock; - buf[1] = adj->clock >> 8; + buf[0] = pixel_clock_10kHz & 0xff; + buf[1] = pixel_clock_10kHz >> 8; buf[2] = adj->vrefresh; buf[3] = 0x00; buf[4] = adj->hdisplay; diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 4655bb1eb88f..f59a51e19dab 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1141,6 +1141,13 @@ static int tc_connector_get_modes(struct drm_connector *connector) struct tc_data *tc = connector_to_tc(connector); struct edid *edid; unsigned int count; + int ret; + + ret = tc_get_display_props(tc); + if (ret < 0) { + dev_err(tc->dev, "failed to read display props: %d\n", ret); + return 0; + } if (tc->panel && tc->panel->funcs && tc->panel->funcs->get_modes) { count = tc->panel->funcs->get_modes(tc->panel); diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c index a879aac21246..3a8af9978ebd 100644 --- a/drivers/gpu/drm/bridge/ti-tfp410.c +++ b/drivers/gpu/drm/bridge/ti-tfp410.c @@ -372,7 +372,8 @@ static int tfp410_fini(struct device *dev) { struct tfp410 *dvi = dev_get_drvdata(dev); - cancel_delayed_work_sync(&dvi->hpd_work); + if (dvi->hpd_irq >= 0) + cancel_delayed_work_sync(&dvi->hpd_work); drm_bridge_remove(&dvi->bridge); diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c index 00e743153e94..fde298d9f510 100644 --- a/drivers/gpu/drm/drm_debugfs_crc.c +++ b/drivers/gpu/drm/drm_debugfs_crc.c @@ -389,12 +389,13 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame, struct drm_crtc_crc *crc = &crtc->crc; struct drm_crtc_crc_entry *entry; int head, tail; + unsigned long flags; - spin_lock(&crc->lock); + spin_lock_irqsave(&crc->lock, flags); /* Caller may not have noticed yet that userspace has stopped reading */ if (!crc->entries) { - spin_unlock(&crc->lock); + spin_unlock_irqrestore(&crc->lock, flags); return -EINVAL; } @@ -405,7 +406,7 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame, bool was_overflow = crc->overflow; crc->overflow = true; - spin_unlock(&crc->lock); + spin_unlock_irqrestore(&crc->lock, flags); if (!was_overflow) DRM_ERROR("Overflow of CRC buffer, userspace reads too slow.\n"); @@ -421,7 +422,7 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame, head = (head + 1) & (DRM_CRC_ENTRIES_NR - 1); crc->head = head; - spin_unlock(&crc->lock); + spin_unlock_irqrestore(&crc->lock, flags); wake_up_interruptible(&crc->wq); diff --git a/drivers/gpu/drm/drm_edid_load.c b/drivers/gpu/drm/drm_edid_load.c index 1e5593575d23..6192b7b20d84 100644 --- a/drivers/gpu/drm/drm_edid_load.c +++ b/drivers/gpu/drm/drm_edid_load.c @@ -278,6 +278,8 @@ struct edid *drm_load_edid_firmware(struct drm_connector *connector) * the last one found one as a fallback. */ fwstr = kstrdup(edid_firmware, GFP_KERNEL); + if (!fwstr) + return ERR_PTR(-ENOMEM); edidstr = fwstr; while ((edidname = strsep(&edidstr, ","))) { diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index a68addf95c23..4a7cf8646b0d 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1911,6 +1911,18 @@ static int kvmgt_dma_map_guest_page(unsigned long handle, unsigned long gfn, ret = __gvt_cache_add(info->vgpu, gfn, *dma_addr, size); if (ret) goto err_unmap; + } else if (entry->size != size) { + /* the same gfn with different size: unmap and re-map */ + gvt_dma_unmap_page(vgpu, gfn, entry->dma_addr, entry->size); + __gvt_cache_remove_entry(vgpu, entry); + + ret = gvt_dma_map_page(vgpu, gfn, dma_addr, size); + if (ret) + goto err_unlock; + + ret = __gvt_cache_add(info->vgpu, gfn, *dma_addr, size); + if (ret) + goto err_unmap; } else { kref_get(&entry->ref); *dma_addr = entry->dma_addr; diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index dc4ce694c06a..235aedc62b4c 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -3457,9 +3457,13 @@ void i915_perf_init(struct drm_i915_private *dev_priv) dev_priv->perf.oa.ops.enable_metric_set = gen8_enable_metric_set; dev_priv->perf.oa.ops.disable_metric_set = gen10_disable_metric_set; - dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128; - dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de; - + if (IS_GEN(dev_priv, 10)) { + dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128; + dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de; + } else { + dev_priv->perf.oa.ctx_oactxctrl_offset = 0x124; + dev_priv->perf.oa.ctx_flexeu0_offset = 0x78e; + } dev_priv->perf.oa.gen8_valid_ctx_bit = (1<<16); } } diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index c88e538b2ef4..81b48e273cbd 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -443,7 +443,7 @@ void __i915_request_submit(struct i915_request *request) */ if (request->sched.semaphores && i915_sw_fence_signaled(&request->semaphore)) - request->hw_context->saturated |= request->sched.semaphores; + engine->saturated |= request->sched.semaphores; /* We may be recursing from the signal callback of another i915 fence */ spin_lock_nested(&request->lock, SINGLE_DEPTH_NESTING); @@ -829,7 +829,7 @@ already_busywaiting(struct i915_request *rq) * * See the are-we-too-late? check in __i915_request_submit(). */ - return rq->sched.semaphores | rq->hw_context->saturated; + return rq->sched.semaphores | rq->engine->saturated; } static int diff --git a/drivers/gpu/drm/i915/intel_context.c b/drivers/gpu/drm/i915/intel_context.c index 924cc556223a..8931e0fee873 100644 --- a/drivers/gpu/drm/i915/intel_context.c +++ b/drivers/gpu/drm/i915/intel_context.c @@ -230,7 +230,6 @@ intel_context_init(struct intel_context *ce, ce->gem_context = ctx; ce->engine = engine; ce->ops = engine->cops; - ce->saturated = 0; INIT_LIST_HEAD(&ce->signal_link); INIT_LIST_HEAD(&ce->signals); diff --git a/drivers/gpu/drm/i915/intel_context_types.h b/drivers/gpu/drm/i915/intel_context_types.h index 339c7437fe82..fd47b9d49e09 100644 --- a/drivers/gpu/drm/i915/intel_context_types.h +++ b/drivers/gpu/drm/i915/intel_context_types.h @@ -59,8 +59,6 @@ struct intel_context { atomic_t pin_count; struct mutex pin_mutex; /* guards pinning and associated on-gpuing */ - intel_engine_mask_t saturated; /* submitting semaphores too late? */ - /** * active_tracker: Active tracker for the external rq activity * on this intel_context object. diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index eea9bec04f1b..9d4f12e982c3 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1200,6 +1200,7 @@ void intel_engines_park(struct drm_i915_private *i915) i915_gem_batch_pool_fini(&engine->batch_pool); engine->execlists.no_priolist = false; + engine->saturated = 0; } i915->gt.active_engines = 0; diff --git a/drivers/gpu/drm/i915/intel_engine_types.h b/drivers/gpu/drm/i915/intel_engine_types.h index 1f970c76b6a6..4270ddb45f41 100644 --- a/drivers/gpu/drm/i915/intel_engine_types.h +++ b/drivers/gpu/drm/i915/intel_engine_types.h @@ -285,6 +285,8 @@ struct intel_engine_cs { struct intel_context *kernel_context; /* pinned */ struct intel_context *preempt_context; /* pinned; optional */ + intel_engine_mask_t saturated; /* submitting semaphores too late? */ + struct drm_i915_gem_object *default_state; void *pinned_default_state; diff --git a/drivers/gpu/drm/lima/lima_pp.c b/drivers/gpu/drm/lima/lima_pp.c index d29721e177bf..8fef224b93c8 100644 --- a/drivers/gpu/drm/lima/lima_pp.c +++ b/drivers/gpu/drm/lima/lima_pp.c @@ -64,7 +64,13 @@ static irqreturn_t lima_pp_bcast_irq_handler(int irq, void *data) struct lima_ip *pp_bcast = data; struct lima_device *dev = pp_bcast->dev; struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp; - struct drm_lima_m450_pp_frame *frame = pipe->current_task->frame; + struct drm_lima_m450_pp_frame *frame; + + /* for shared irq case */ + if (!pipe->current_task) + return IRQ_NONE; + + frame = pipe->current_task->frame; for (i = 0; i < frame->num_pp; i++) { struct lima_ip *ip = pipe->processor[i]; diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 38e2cfa9cec7..6910d0468e3c 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -74,7 +74,7 @@ bool a6xx_gmu_sptprac_is_on(struct a6xx_gmu *gmu) u32 val; /* This can be called from gpu state code so make sure GMU is valid */ - if (IS_ERR_OR_NULL(gmu->mmio)) + if (!gmu->initialized) return false; val = gmu_read(gmu, REG_A6XX_GMU_SPTPRAC_PWR_CLK_STATUS); @@ -90,7 +90,7 @@ bool a6xx_gmu_gx_is_on(struct a6xx_gmu *gmu) u32 val; /* This can be called from gpu state code so make sure GMU is valid */ - if (IS_ERR_OR_NULL(gmu->mmio)) + if (!gmu->initialized) return false; val = gmu_read(gmu, REG_A6XX_GMU_SPTPRAC_PWR_CLK_STATUS); @@ -504,8 +504,10 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu) wmb(); err: - devm_iounmap(gmu->dev, pdcptr); - devm_iounmap(gmu->dev, seqptr); + if (!IS_ERR_OR_NULL(pdcptr)) + devm_iounmap(gmu->dev, pdcptr); + if (!IS_ERR_OR_NULL(seqptr)) + devm_iounmap(gmu->dev, seqptr); } /* @@ -695,7 +697,7 @@ int a6xx_gmu_resume(struct a6xx_gpu *a6xx_gpu) struct a6xx_gmu *gmu = &a6xx_gpu->gmu; int status, ret; - if (WARN(!gmu->mmio, "The GMU is not set up yet\n")) + if (WARN(!gmu->initialized, "The GMU is not set up yet\n")) return 0; gmu->hung = false; @@ -765,7 +767,7 @@ bool a6xx_gmu_isidle(struct a6xx_gmu *gmu) { u32 reg; - if (!gmu->mmio) + if (!gmu->initialized) return true; reg = gmu_read(gmu, REG_A6XX_GPU_GMU_AO_GPU_CX_BUSY_STATUS); @@ -1227,7 +1229,7 @@ void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu) { struct a6xx_gmu *gmu = &a6xx_gpu->gmu; - if (IS_ERR_OR_NULL(gmu->mmio)) + if (!gmu->initialized) return; a6xx_gmu_stop(a6xx_gpu); @@ -1245,6 +1247,8 @@ void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu) iommu_detach_device(gmu->domain, gmu->dev); iommu_domain_free(gmu->domain); + + gmu->initialized = false; } int a6xx_gmu_probe(struct a6xx_gpu *a6xx_gpu, struct device_node *node) @@ -1309,6 +1313,8 @@ int a6xx_gmu_probe(struct a6xx_gpu *a6xx_gpu, struct device_node *node) /* Set up the HFI queues */ a6xx_hfi_init(gmu); + gmu->initialized = true; + return 0; err: a6xx_gmu_memory_free(gmu, gmu->hfi); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h index bedd8e6a63aa..39a26dd63674 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h @@ -75,6 +75,7 @@ struct a6xx_gmu { struct a6xx_hfi_queue queues[2]; + bool initialized; bool hung; }; diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index a9c0ac937b00..9acbbc0f3232 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -56,7 +56,6 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname, return ret; mem_phys = r.start; - mem_size = resource_size(&r); /* Request the MDT file for the firmware */ fw = adreno_request_fw(to_adreno_gpu(gpu), fwname); @@ -72,6 +71,13 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname, goto out; } + if (mem_size > resource_size(&r)) { + DRM_DEV_ERROR(dev, + "memory region is too small to load the MDT\n"); + ret = -E2BIG; + goto out; + } + /* Allocate memory for the firmware image */ mem_region = memremap(mem_phys, mem_size, MEMREMAP_WC); if (!mem_region) { diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index f38d7367bd3b..4a0fe8a25ad7 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1306,16 +1306,24 @@ static int msm_pdev_probe(struct platform_device *pdev) ret = add_gpu_components(&pdev->dev, &match); if (ret) - return ret; + goto fail; /* on all devices that I am aware of, iommu's which can map * any address the cpu can see are used: */ ret = dma_set_mask_and_coherent(&pdev->dev, ~0); if (ret) - return ret; + goto fail; + + ret = component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); + if (ret) + goto fail; - return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); + return 0; + +fail: + of_platform_depopulate(&pdev->dev); + return ret; } static int msm_pdev_remove(struct platform_device *pdev) diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 4b1650f51955..847b7866137d 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -775,7 +775,7 @@ nv50_msto_atomic_check(struct drm_encoder *encoder, drm_dp_calc_pbn_mode(crtc_state->adjusted_mode.clock, connector->display_info.bpc * 3); - if (drm_atomic_crtc_needs_modeset(crtc_state)) { + if (crtc_state->mode_changed) { slots = drm_dp_atomic_find_vcpi_slots(state, &mstm->mgr, mstc->port, asyh->dp.pbn); diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 4116ee62adaf..f69ff22beee0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -252,7 +252,7 @@ nouveau_conn_reset(struct drm_connector *connector) return; if (connector->state) - __drm_atomic_helper_connector_destroy_state(connector->state); + nouveau_conn_atomic_destroy_state(connector, connector->state); __drm_atomic_helper_connector_reset(connector, &asyc->state); asyc->dither.mode = DITHERING_MODE_AUTO; asyc->dither.depth = DITHERING_DEPTH_AUTO; diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index 40c47d6a7d78..745e197a4775 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -385,9 +385,10 @@ nouveau_dmem_pages_alloc(struct nouveau_drm *drm, ret = nouveau_dmem_chunk_alloc(drm); if (ret) { if (c) - break; + return 0; return ret; } + mutex_lock(&drm->dmem->mutex); continue; } diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 8712af79a49c..4c43dd282acc 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -384,10 +384,20 @@ static enum drm_mode_status omap_crtc_mode_valid(struct drm_crtc *crtc, int r; drm_display_mode_to_videomode(mode, &vm); - r = priv->dispc_ops->mgr_check_timings(priv->dispc, omap_crtc->channel, - &vm); - if (r) - return r; + + /* + * DSI might not call this, since the supplied mode is not a + * valid DISPC mode. DSI will calculate and configure the + * proper DISPC mode later. + */ + if (omap_crtc->pipe->output->next == NULL || + omap_crtc->pipe->output->next->type != OMAP_DISPLAY_TYPE_DSI) { + r = priv->dispc_ops->mgr_check_timings(priv->dispc, + omap_crtc->channel, + &vm); + if (r) + return r; + } /* Check for bandwidth limit */ if (priv->max_bandwidth) { diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 569be4efd8d1..397a3086eac8 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -446,6 +446,32 @@ static const struct panel_desc ampire_am800480r3tmqwa1h = { .bus_format = MEDIA_BUS_FMT_RGB666_1X18, }; +static const struct display_timing santek_st0700i5y_rbslw_f_timing = { + .pixelclock = { 26400000, 33300000, 46800000 }, + .hactive = { 800, 800, 800 }, + .hfront_porch = { 16, 210, 354 }, + .hback_porch = { 45, 36, 6 }, + .hsync_len = { 1, 10, 40 }, + .vactive = { 480, 480, 480 }, + .vfront_porch = { 7, 22, 147 }, + .vback_porch = { 22, 13, 3 }, + .vsync_len = { 1, 10, 20 }, + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE +}; + +static const struct panel_desc armadeus_st0700_adapt = { + .timings = &santek_st0700i5y_rbslw_f_timing, + .num_timings = 1, + .bpc = 6, + .size = { + .width = 154, + .height = 86, + }, + .bus_format = MEDIA_BUS_FMT_RGB666_1X18, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE, +}; + static const struct drm_display_mode auo_b101aw03_mode = { .clock = 51450, .hdisplay = 1024, @@ -2571,6 +2597,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "arm,rtsm-display", .data = &arm_rtsm, }, { + .compatible = "armadeus,st0700-adapt", + .data = &armadeus_st0700_adapt, + }, { .compatible = "auo,b101aw03", .data = &auo_b101aw03, }, { @@ -3098,7 +3127,14 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) dsi->format = desc->format; dsi->lanes = desc->lanes; - return mipi_dsi_attach(dsi); + err = mipi_dsi_attach(dsi); + if (err) { + struct panel_simple *panel = dev_get_drvdata(&dsi->dev); + + drm_panel_remove(&panel->base); + } + + return err; } static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 12ed5265a90b..09046135e720 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1011,7 +1011,8 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, struct vop *vop = to_vop(crtc); adjusted_mode->clock = - clk_round_rate(vop->dclk, mode->clock * 1000) / 1000; + DIV_ROUND_UP(clk_round_rate(vop->dclk, mode->clock * 1000), + 1000); return true; } diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index b69ae10ca238..d724fb3de44e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -102,7 +102,6 @@ struct virtio_gpu_fence { struct dma_fence f; struct virtio_gpu_fence_driver *drv; struct list_head node; - uint64_t seq; }; #define to_virtio_fence(x) \ container_of(x, struct virtio_gpu_fence, f) diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c index 87d1966192f4..72b4f7561432 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fence.c +++ b/drivers/gpu/drm/virtio/virtgpu_fence.c @@ -40,16 +40,14 @@ bool virtio_fence_signaled(struct dma_fence *f) { struct virtio_gpu_fence *fence = to_virtio_fence(f); - if (atomic64_read(&fence->drv->last_seq) >= fence->seq) + if (atomic64_read(&fence->drv->last_seq) >= fence->f.seqno) return true; return false; } static void virtio_fence_value_str(struct dma_fence *f, char *str, int size) { - struct virtio_gpu_fence *fence = to_virtio_fence(f); - - snprintf(str, size, "%llu", fence->seq); + snprintf(str, size, "%llu", f->seqno); } static void virtio_timeline_value_str(struct dma_fence *f, char *str, int size) @@ -76,6 +74,11 @@ struct virtio_gpu_fence *virtio_gpu_fence_alloc(struct virtio_gpu_device *vgdev) return fence; fence->drv = drv; + + /* This only partially initializes the fence because the seqno is + * unknown yet. The fence must not be used outside of the driver + * until virtio_gpu_fence_emit is called. + */ dma_fence_init(&fence->f, &virtio_fence_ops, &drv->lock, drv->context, 0); return fence; @@ -89,13 +92,13 @@ int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, unsigned long irq_flags; spin_lock_irqsave(&drv->lock, irq_flags); - fence->seq = ++drv->sync_seq; + fence->f.seqno = ++drv->sync_seq; dma_fence_get(&fence->f); list_add_tail(&fence->node, &drv->fences); spin_unlock_irqrestore(&drv->lock, irq_flags); cmd_hdr->flags |= cpu_to_le32(VIRTIO_GPU_FLAG_FENCE); - cmd_hdr->fence_id = cpu_to_le64(fence->seq); + cmd_hdr->fence_id = cpu_to_le64(fence->f.seqno); return 0; } @@ -109,7 +112,7 @@ void virtio_gpu_fence_event_process(struct virtio_gpu_device *vgdev, spin_lock_irqsave(&drv->lock, irq_flags); atomic64_set(&vgdev->fence_drv.last_seq, last_seq); list_for_each_entry_safe(fence, tmp, &drv->fences, node) { - if (last_seq < fence->seq) + if (last_seq < fence->f.seqno) continue; dma_fence_signal_locked(&fence->f); list_del(&fence->node); diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 949a264985fc..19fbffd0f7a3 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -542,6 +542,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, if (!ret) return -EBUSY; + /* is_valid check must proceed before copy of the cache entry. */ + smp_rmb(); + ptr = cache_ent->caps_cache; copy_exit: diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 5bb0f0a084e9..a7684f9c80db 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -583,6 +583,8 @@ static void virtio_gpu_cmd_capset_cb(struct virtio_gpu_device *vgdev, cache_ent->id == le32_to_cpu(cmd->capset_id)) { memcpy(cache_ent->caps_cache, resp->capset_data, cache_ent->size); + /* Copy must occur before is_valid is signalled. */ + smp_wmb(); atomic_set(&cache_ent->is_valid, 1); break; } diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index bb66dbcd5e3f..e447b7588d06 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -15,6 +15,10 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) spin_lock(&output->lock); + ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer, + output->period_ns); + WARN_ON(ret_overrun != 1); + ret = drm_crtc_handle_vblank(crtc); if (!ret) DRM_ERROR("vkms failure on handling vblank"); @@ -35,10 +39,6 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) DRM_WARN("failed to queue vkms_crc_work_handle"); } - ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer, - output->period_ns); - WARN_ON(ret_overrun != 1); - spin_unlock(&output->lock); return HRTIMER_RESTART; @@ -74,11 +74,21 @@ bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe, { struct vkms_device *vkmsdev = drm_device_to_vkms_device(dev); struct vkms_output *output = &vkmsdev->output; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; *vblank_time = output->vblank_hrtimer.node.expires; - if (!in_vblank_irq) - *vblank_time -= output->period_ns; + if (WARN_ON(*vblank_time == vblank->time)) + return true; + + /* + * To prevent races we roll the hrtimer forward before we do any + * interrupt processing - this is how real hw works (the interrupt is + * only generated after all the vblank registers are updated) and what + * the vblank core expects. Therefore we need to always correct the + * timestampe by one frame. + */ + *vblank_time -= output->period_ns; return true; } diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c index 9797ccb0a073..6387302c1245 100644 --- a/drivers/gpu/host1x/bus.c +++ b/drivers/gpu/host1x/bus.c @@ -414,6 +414,9 @@ static int host1x_device_add(struct host1x *host1x, of_dma_configure(&device->dev, host1x->dev->of_node, true); + device->dev.dma_parms = &device->dma_parms; + dma_set_max_seg_size(&device->dev, SZ_4M); + err = host1x_device_parse_dt(device, driver); if (err < 0) { kfree(device); diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c index 8d55cdd69ff4..435c7d7377a3 100644 --- a/drivers/i2c/busses/i2c-at91-core.c +++ b/drivers/i2c/busses/i2c-at91-core.c @@ -142,7 +142,7 @@ static struct at91_twi_pdata sama5d4_config = { static struct at91_twi_pdata sama5d2_config = { .clk_max_div = 7, - .clk_offset = 4, + .clk_offset = 3, .has_unre_flag = true, .has_alt_cmd = true, .has_hold_field = true, diff --git a/drivers/i2c/busses/i2c-at91-master.c b/drivers/i2c/busses/i2c-at91-master.c index e87232f2e708..a3fcc35ffd3b 100644 --- a/drivers/i2c/busses/i2c-at91-master.c +++ b/drivers/i2c/busses/i2c-at91-master.c @@ -122,9 +122,11 @@ static void at91_twi_write_next_byte(struct at91_twi_dev *dev) writeb_relaxed(*dev->buf, dev->base + AT91_TWI_THR); /* send stop when last byte has been written */ - if (--dev->buf_len == 0) + if (--dev->buf_len == 0) { if (!dev->use_alt_cmd) at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); + at91_twi_write(dev, AT91_TWI_IDR, AT91_TWI_TXRDY); + } dev_dbg(dev->dev, "wrote 0x%x, to go %zu\n", *dev->buf, dev->buf_len); @@ -542,9 +544,8 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) } else { at91_twi_write_next_byte(dev); at91_twi_write(dev, AT91_TWI_IER, - AT91_TWI_TXCOMP | - AT91_TWI_NACK | - AT91_TWI_TXRDY); + AT91_TWI_TXCOMP | AT91_TWI_NACK | + (dev->buf_len ? AT91_TWI_TXRDY : 0)); } } diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index a845b8decac8..ad1681872e39 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -403,16 +403,18 @@ static bool bcm_iproc_i2c_slave_isr(struct bcm_iproc_i2c_dev *iproc_i2c, static void bcm_iproc_i2c_read_valid_bytes(struct bcm_iproc_i2c_dev *iproc_i2c) { struct i2c_msg *msg = iproc_i2c->msg; + uint32_t val; /* Read valid data from RX FIFO */ while (iproc_i2c->rx_bytes < msg->len) { - if (!((iproc_i2c_rd_reg(iproc_i2c, M_FIFO_CTRL_OFFSET) >> M_FIFO_RX_CNT_SHIFT) - & M_FIFO_RX_CNT_MASK)) + val = iproc_i2c_rd_reg(iproc_i2c, M_RX_OFFSET); + + /* rx fifo empty */ + if (!((val >> M_RX_STATUS_SHIFT) & M_RX_STATUS_MASK)) break; msg->buf[iproc_i2c->rx_bytes] = - (iproc_i2c_rd_reg(iproc_i2c, M_RX_OFFSET) >> - M_RX_DATA_SHIFT) & M_RX_DATA_MASK; + (val >> M_RX_DATA_SHIFT) & M_RX_DATA_MASK; iproc_i2c->rx_bytes++; } } diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c index 1c8f708f212b..ee2412b7459c 100644 --- a/drivers/i2c/busses/i2c-nvidia-gpu.c +++ b/drivers/i2c/busses/i2c-nvidia-gpu.c @@ -51,6 +51,7 @@ struct gpu_i2c_dev { void __iomem *regs; struct i2c_adapter adapter; struct i2c_board_info *gpu_ccgx_ucsi; + struct i2c_client *ccgx_client; }; static void gpu_enable_i2c_bus(struct gpu_i2c_dev *i2cd) @@ -261,8 +262,6 @@ static const struct property_entry ccgx_props[] = { static int gpu_populate_client(struct gpu_i2c_dev *i2cd, int irq) { - struct i2c_client *ccgx_client; - i2cd->gpu_ccgx_ucsi = devm_kzalloc(i2cd->dev, sizeof(*i2cd->gpu_ccgx_ucsi), GFP_KERNEL); @@ -274,8 +273,8 @@ static int gpu_populate_client(struct gpu_i2c_dev *i2cd, int irq) i2cd->gpu_ccgx_ucsi->addr = 0x8; i2cd->gpu_ccgx_ucsi->irq = irq; i2cd->gpu_ccgx_ucsi->properties = ccgx_props; - ccgx_client = i2c_new_device(&i2cd->adapter, i2cd->gpu_ccgx_ucsi); - if (!ccgx_client) + i2cd->ccgx_client = i2c_new_device(&i2cd->adapter, i2cd->gpu_ccgx_ucsi); + if (!i2cd->ccgx_client) return -ENODEV; return 0; @@ -354,6 +353,13 @@ static __maybe_unused int gpu_i2c_resume(struct device *dev) struct gpu_i2c_dev *i2cd = dev_get_drvdata(dev); gpu_enable_i2c_bus(i2cd); + /* + * Runtime resume ccgx client so that it can see for any + * connector change event. Old ccg firmware has known + * issue of not triggering interrupt when a device is + * connected to runtime resume the controller. + */ + pm_request_resume(&i2cd->ccgx_client->dev); return 0; } diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index 48337bef5b87..3d90c0bb049e 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -25,7 +25,6 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pinctrl/consumer.h> @@ -1816,15 +1815,14 @@ static struct i2c_algorithm stm32f7_i2c_algo = { static int stm32f7_i2c_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; struct stm32f7_i2c_dev *i2c_dev; const struct stm32f7_i2c_setup *setup; struct resource *res; - u32 irq_error, irq_event, clk_rate, rise_time, fall_time; + u32 clk_rate, rise_time, fall_time; struct i2c_adapter *adap; struct reset_control *rst; dma_addr_t phy_addr; - int ret; + int irq_error, irq_event, ret; i2c_dev = devm_kzalloc(&pdev->dev, sizeof(*i2c_dev), GFP_KERNEL); if (!i2c_dev) @@ -1836,16 +1834,20 @@ static int stm32f7_i2c_probe(struct platform_device *pdev) return PTR_ERR(i2c_dev->base); phy_addr = (dma_addr_t)res->start; - irq_event = irq_of_parse_and_map(np, 0); - if (!irq_event) { - dev_err(&pdev->dev, "IRQ event missing or invalid\n"); - return -EINVAL; + irq_event = platform_get_irq(pdev, 0); + if (irq_event <= 0) { + if (irq_event != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get IRQ event: %d\n", + irq_event); + return irq_event ? : -ENOENT; } - irq_error = irq_of_parse_and_map(np, 1); - if (!irq_error) { - dev_err(&pdev->dev, "IRQ error missing or invalid\n"); - return -EINVAL; + irq_error = platform_get_irq(pdev, 1); + if (irq_error <= 0) { + if (irq_error != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get IRQ error: %d\n", + irq_error); + return irq_error ? : -ENOENT; } i2c_dev->clk = devm_clk_get(&pdev->dev, NULL); diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c index 3b84cb243a87..055227cb3d43 100644 --- a/drivers/iio/accel/adxl372.c +++ b/drivers/iio/accel/adxl372.c @@ -782,10 +782,14 @@ static int adxl372_buffer_postenable(struct iio_dev *indio_dev) unsigned int mask; int i, ret; - ret = adxl372_set_interrupts(st, ADXL372_INT1_MAP_FIFO_FULL_MSK, 0); + ret = iio_triggered_buffer_postenable(indio_dev); if (ret < 0) return ret; + ret = adxl372_set_interrupts(st, ADXL372_INT1_MAP_FIFO_FULL_MSK, 0); + if (ret < 0) + goto err; + mask = *indio_dev->active_scan_mask; for (i = 0; i < ARRAY_SIZE(adxl372_axis_lookup_table); i++) { @@ -793,8 +797,10 @@ static int adxl372_buffer_postenable(struct iio_dev *indio_dev) break; } - if (i == ARRAY_SIZE(adxl372_axis_lookup_table)) - return -EINVAL; + if (i == ARRAY_SIZE(adxl372_axis_lookup_table)) { + ret = -EINVAL; + goto err; + } st->fifo_format = adxl372_axis_lookup_table[i].fifo_format; st->fifo_set_size = bitmap_weight(indio_dev->active_scan_mask, @@ -814,26 +820,25 @@ static int adxl372_buffer_postenable(struct iio_dev *indio_dev) if (ret < 0) { st->fifo_mode = ADXL372_FIFO_BYPASSED; adxl372_set_interrupts(st, 0, 0); - return ret; + goto err; } - return iio_triggered_buffer_postenable(indio_dev); + return 0; + +err: + iio_triggered_buffer_predisable(indio_dev); + return ret; } static int adxl372_buffer_predisable(struct iio_dev *indio_dev) { struct adxl372_state *st = iio_priv(indio_dev); - int ret; - - ret = iio_triggered_buffer_predisable(indio_dev); - if (ret < 0) - return ret; adxl372_set_interrupts(st, 0, 0); st->fifo_mode = ADXL372_FIFO_BYPASSED; adxl372_configure_fifo(st); - return 0; + return iio_triggered_buffer_predisable(indio_dev); } static const struct iio_buffer_setup_ops adxl372_buffer_ops = { diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c index 19adc2b23472..588907cc3b6b 100644 --- a/drivers/iio/adc/stm32-dfsdm-adc.c +++ b/drivers/iio/adc/stm32-dfsdm-adc.c @@ -1456,6 +1456,12 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev) * So IRQ associated to filter instance 0 is dedicated to the Filter 0. */ irq = platform_get_irq(pdev, 0); + if (irq < 0) { + if (irq != -EPROBE_DEFER) + dev_err(dev, "Failed to get IRQ: %d\n", irq); + return irq; + } + ret = devm_request_irq(dev, irq, stm32_dfsdm_irq, 0, pdev->name, adc); if (ret < 0) { diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c index 0a4d3746d21c..26e2011c5868 100644 --- a/drivers/iio/adc/stm32-dfsdm-core.c +++ b/drivers/iio/adc/stm32-dfsdm-core.c @@ -233,6 +233,8 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev, } priv->dfsdm.phys_base = res->start; priv->dfsdm.base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->dfsdm.base)) + return PTR_ERR(priv->dfsdm.base); /* * "dfsdm" clock is mandatory for DFSDM peripheral clocking. @@ -242,8 +244,10 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev, */ priv->clk = devm_clk_get(&pdev->dev, "dfsdm"); if (IS_ERR(priv->clk)) { - dev_err(&pdev->dev, "No stm32_dfsdm_clk clock found\n"); - return -EINVAL; + ret = PTR_ERR(priv->clk); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get clock (%d)\n", ret); + return ret; } priv->aclk = devm_clk_get(&pdev->dev, "audio"); diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 2f7d14159841..9b76a8fcdd24 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -337,7 +337,7 @@ static int dst_fetch_ha(const struct dst_entry *dst, neigh_event_send(n, NULL); ret = -ENODATA; } else { - memcpy(dev_addr->dst_dev_addr, n->ha, MAX_ADDR_LEN); + neigh_ha_snapshot(dev_addr->dst_dev_addr, n, dst->dev); } neigh_release(n); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 29f7b15c81d9..156d210de195 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -98,6 +98,12 @@ static LIST_HEAD(client_list); static DEFINE_XARRAY_FLAGS(clients, XA_FLAGS_ALLOC); static DECLARE_RWSEM(clients_rwsem); +static void ib_client_put(struct ib_client *client) +{ + if (refcount_dec_and_test(&client->uses)) + complete(&client->uses_zero); +} + /* * If client_data is registered then the corresponding client must also still * be registered. @@ -651,6 +657,14 @@ static int add_client_context(struct ib_device *device, down_write(&device->client_data_rwsem); /* + * So long as the client is registered hold both the client and device + * unregistration locks. + */ + if (!refcount_inc_not_zero(&client->uses)) + goto out_unlock; + refcount_inc(&device->refcount); + + /* * Another caller to add_client_context got here first and has already * completely initialized context. */ @@ -673,6 +687,9 @@ static int add_client_context(struct ib_device *device, return 0; out: + ib_device_put(device); + ib_client_put(client); +out_unlock: up_write(&device->client_data_rwsem); return ret; } @@ -692,7 +709,7 @@ static void remove_client_context(struct ib_device *device, client_data = xa_load(&device->client_data, client_id); xa_clear_mark(&device->client_data, client_id, CLIENT_DATA_REGISTERED); client = xa_load(&clients, client_id); - downgrade_write(&device->client_data_rwsem); + up_write(&device->client_data_rwsem); /* * Notice we cannot be holding any exclusive locks when calling the @@ -702,17 +719,13 @@ static void remove_client_context(struct ib_device *device, * * For this reason clients and drivers should not call the * unregistration functions will holdling any locks. - * - * It tempting to drop the client_data_rwsem too, but this is required - * to ensure that unregister_client does not return until all clients - * are completely unregistered, which is required to avoid module - * unloading races. */ if (client->remove) client->remove(device, client_data); xa_erase(&device->client_data, client_id); - up_read(&device->client_data_rwsem); + ib_device_put(device); + ib_client_put(client); } static int alloc_port_data(struct ib_device *device) @@ -1696,6 +1709,8 @@ int ib_register_client(struct ib_client *client) unsigned long index; int ret; + refcount_set(&client->uses, 1); + init_completion(&client->uses_zero); ret = assign_client_id(client); if (ret) return ret; @@ -1731,16 +1746,29 @@ void ib_unregister_client(struct ib_client *client) unsigned long index; down_write(&clients_rwsem); + ib_client_put(client); xa_clear_mark(&clients, client->client_id, CLIENT_REGISTERED); up_write(&clients_rwsem); + + /* We do not want to have locks while calling client->remove() */ + rcu_read_lock(); + xa_for_each (&devices, index, device) { + if (!ib_device_try_get(device)) + continue; + rcu_read_unlock(); + + remove_client_context(device, client->client_id); + + ib_device_put(device); + rcu_read_lock(); + } + rcu_read_unlock(); + /* - * Every device still known must be serialized to make sure we are - * done with the client callbacks before we return. + * remove_client_context() is not a fence, it can return even though a + * removal is ongoing. Wait until all removals are completed. */ - down_read(&devices_rwsem); - xa_for_each (&devices, index, device) - remove_client_context(device, client->client_id); - up_read(&devices_rwsem); + wait_for_completion(&client->uses_zero); down_write(&clients_rwsem); list_del(&client->list); diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 2c3685faa57a..a4a9f90f2482 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -308,6 +308,7 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) struct bnxt_re_dev *rdev = to_bnxt_re_dev(attr->device, ibdev); struct bnxt_qplib_sgid_tbl *sgid_tbl = &rdev->qplib_res.sgid_tbl; struct bnxt_qplib_gid *gid_to_del; + u16 vlan_id = 0xFFFF; /* Delete the entry from the hardware */ ctx = *context; @@ -317,7 +318,8 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) if (sgid_tbl && sgid_tbl->active) { if (ctx->idx >= sgid_tbl->max) return -EINVAL; - gid_to_del = &sgid_tbl->tbl[ctx->idx]; + gid_to_del = &sgid_tbl->tbl[ctx->idx].gid; + vlan_id = sgid_tbl->tbl[ctx->idx].vlan_id; /* DEL_GID is called in WQ context(netdevice_event_work_handler) * or via the ib_unregister_device path. In the former case QP1 * may not be destroyed yet, in which case just return as FW @@ -335,7 +337,8 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) } ctx->refcnt--; if (!ctx->refcnt) { - rc = bnxt_qplib_del_sgid(sgid_tbl, gid_to_del, true); + rc = bnxt_qplib_del_sgid(sgid_tbl, gid_to_del, + vlan_id, true); if (rc) { dev_err(rdev_to_dev(rdev), "Failed to remove GID: %#x", rc); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 37928b1111df..bdbde8e22420 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -488,7 +488,7 @@ static int bnxt_qplib_alloc_sgid_tbl(struct bnxt_qplib_res *res, struct bnxt_qplib_sgid_tbl *sgid_tbl, u16 max) { - sgid_tbl->tbl = kcalloc(max, sizeof(struct bnxt_qplib_gid), GFP_KERNEL); + sgid_tbl->tbl = kcalloc(max, sizeof(*sgid_tbl->tbl), GFP_KERNEL); if (!sgid_tbl->tbl) return -ENOMEM; @@ -526,9 +526,10 @@ static void bnxt_qplib_cleanup_sgid_tbl(struct bnxt_qplib_res *res, for (i = 0; i < sgid_tbl->max; i++) { if (memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero, sizeof(bnxt_qplib_gid_zero))) - bnxt_qplib_del_sgid(sgid_tbl, &sgid_tbl->tbl[i], true); + bnxt_qplib_del_sgid(sgid_tbl, &sgid_tbl->tbl[i].gid, + sgid_tbl->tbl[i].vlan_id, true); } - memset(sgid_tbl->tbl, 0, sizeof(struct bnxt_qplib_gid) * sgid_tbl->max); + memset(sgid_tbl->tbl, 0, sizeof(*sgid_tbl->tbl) * sgid_tbl->max); memset(sgid_tbl->hw_id, -1, sizeof(u16) * sgid_tbl->max); memset(sgid_tbl->vlan, 0, sizeof(u8) * sgid_tbl->max); sgid_tbl->active = 0; @@ -537,7 +538,11 @@ static void bnxt_qplib_cleanup_sgid_tbl(struct bnxt_qplib_res *res, static void bnxt_qplib_init_sgid_tbl(struct bnxt_qplib_sgid_tbl *sgid_tbl, struct net_device *netdev) { - memset(sgid_tbl->tbl, 0, sizeof(struct bnxt_qplib_gid) * sgid_tbl->max); + u32 i; + + for (i = 0; i < sgid_tbl->max; i++) + sgid_tbl->tbl[i].vlan_id = 0xffff; + memset(sgid_tbl->hw_id, -1, sizeof(u16) * sgid_tbl->max); } diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 30c42c92fac7..fbda11a7ab1a 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -111,7 +111,7 @@ struct bnxt_qplib_pd_tbl { }; struct bnxt_qplib_sgid_tbl { - struct bnxt_qplib_gid *tbl; + struct bnxt_qplib_gid_info *tbl; u16 *hw_id; u16 max; u16 active; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 48793d3512ac..40296b97d21e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -213,12 +213,12 @@ int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, index, sgid_tbl->max); return -EINVAL; } - memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid)); + memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid)); return 0; } int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, - struct bnxt_qplib_gid *gid, bool update) + struct bnxt_qplib_gid *gid, u16 vlan_id, bool update) { struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, struct bnxt_qplib_res, @@ -236,7 +236,8 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, return -ENOMEM; } for (index = 0; index < sgid_tbl->max; index++) { - if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid))) + if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) && + vlan_id == sgid_tbl->tbl[index].vlan_id) break; } if (index == sgid_tbl->max) { @@ -262,8 +263,9 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, if (rc) return rc; } - memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero, + memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero, sizeof(bnxt_qplib_gid_zero)); + sgid_tbl->tbl[index].vlan_id = 0xFFFF; sgid_tbl->vlan[index] = 0; sgid_tbl->active--; dev_dbg(&res->pdev->dev, @@ -296,7 +298,8 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, } free_idx = sgid_tbl->max; for (i = 0; i < sgid_tbl->max; i++) { - if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) { + if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) && + sgid_tbl->tbl[i].vlan_id == vlan_id) { dev_dbg(&res->pdev->dev, "SGID entry already exist in entry %d!\n", i); *index = i; @@ -351,6 +354,7 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, } /* Add GID to the sgid_tbl */ memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); + sgid_tbl->tbl[free_idx].vlan_id = vlan_id; sgid_tbl->active++; if (vlan_id != 0xFFFF) sgid_tbl->vlan[free_idx] = 1; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h index 0ec3b12b0bcd..13d9432d5ce2 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h @@ -84,6 +84,11 @@ struct bnxt_qplib_gid { u8 data[16]; }; +struct bnxt_qplib_gid_info { + struct bnxt_qplib_gid gid; + u16 vlan_id; +}; + struct bnxt_qplib_ah { struct bnxt_qplib_gid dgid; struct bnxt_qplib_pd *pd; @@ -221,7 +226,7 @@ int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, struct bnxt_qplib_gid *gid); int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, - struct bnxt_qplib_gid *gid, bool update); + struct bnxt_qplib_gid *gid, u16 vlan_id, bool update); int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id, bool update, u32 *index); diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index d5b643a1d9fd..67052dc3100c 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -14452,7 +14452,7 @@ void hfi1_deinit_vnic_rsm(struct hfi1_devdata *dd) clear_rcvctrl(dd, RCV_CTRL_RCV_RSM_ENABLE_SMASK); } -static void init_rxe(struct hfi1_devdata *dd) +static int init_rxe(struct hfi1_devdata *dd) { struct rsm_map_table *rmt; u64 val; @@ -14461,6 +14461,9 @@ static void init_rxe(struct hfi1_devdata *dd) write_csr(dd, RCV_ERR_MASK, ~0ull); rmt = alloc_rsm_map_table(dd); + if (!rmt) + return -ENOMEM; + /* set up QOS, including the QPN map table */ init_qos(dd, rmt); init_fecn_handling(dd, rmt); @@ -14487,6 +14490,7 @@ static void init_rxe(struct hfi1_devdata *dd) val |= ((4ull & RCV_BYPASS_HDR_SIZE_MASK) << RCV_BYPASS_HDR_SIZE_SHIFT); write_csr(dd, RCV_BYPASS, val); + return 0; } static void init_other(struct hfi1_devdata *dd) @@ -15024,7 +15028,10 @@ int hfi1_init_dd(struct hfi1_devdata *dd) goto bail_cleanup; /* set initial RXE CSRs */ - init_rxe(dd); + ret = init_rxe(dd); + if (ret) + goto bail_cleanup; + /* set initial TXE CSRs */ init_txe(dd); /* set initial non-RXE, non-TXE CSRs */ diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c index aa9c8d3ef87b..fe7e7097e00a 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.c +++ b/drivers/infiniband/hw/hfi1/tid_rdma.c @@ -1620,6 +1620,7 @@ static int hfi1_kern_exp_rcv_alloc_flows(struct tid_rdma_request *req, flows[i].req = req; flows[i].npagesets = 0; flows[i].pagesets[0].mapped = 0; + flows[i].resync_npkts = 0; } req->flows = flows; return 0; @@ -1673,34 +1674,6 @@ static struct tid_rdma_flow *find_flow_ib(struct tid_rdma_request *req, return NULL; } -static struct tid_rdma_flow * -__find_flow_ranged(struct tid_rdma_request *req, u16 head, u16 tail, - u32 psn, u16 *fidx) -{ - for ( ; CIRC_CNT(head, tail, MAX_FLOWS); - tail = CIRC_NEXT(tail, MAX_FLOWS)) { - struct tid_rdma_flow *flow = &req->flows[tail]; - u32 spsn, lpsn; - - spsn = full_flow_psn(flow, flow->flow_state.spsn); - lpsn = full_flow_psn(flow, flow->flow_state.lpsn); - - if (cmp_psn(psn, spsn) >= 0 && cmp_psn(psn, lpsn) <= 0) { - if (fidx) - *fidx = tail; - return flow; - } - } - return NULL; -} - -static struct tid_rdma_flow *find_flow(struct tid_rdma_request *req, - u32 psn, u16 *fidx) -{ - return __find_flow_ranged(req, req->setup_head, req->clear_tail, psn, - fidx); -} - /* TID RDMA READ functions */ u32 hfi1_build_tid_rdma_read_packet(struct rvt_swqe *wqe, struct ib_other_headers *ohdr, u32 *bth1, @@ -2790,19 +2763,7 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd, * to prevent continuous Flow Sequence errors for any * packets that could be still in the fabric. */ - flow = find_flow(req, psn, NULL); - if (!flow) { - /* - * We can't find the IB PSN matching the - * received KDETH PSN. The only thing we can - * do at this point is report the error to - * the QP. - */ - hfi1_kern_read_tid_flow_free(qp); - spin_unlock(&qp->s_lock); - rvt_rc_error(qp, IB_WC_LOC_QP_OP_ERR); - return ret; - } + flow = &req->flows[req->clear_tail]; if (priv->s_flags & HFI1_R_TID_SW_PSN) { diff = cmp_psn(psn, flow->flow_state.r_next_psn); diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index bad3229bad37..27f86b436b9e 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -54,6 +54,7 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <rdma/opa_addr.h> +#include <linux/nospec.h> #include "hfi.h" #include "common.h" @@ -1536,6 +1537,7 @@ static int hfi1_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr) sl = rdma_ah_get_sl(ah_attr); if (sl >= ARRAY_SIZE(ibp->sl_to_sc)) return -EINVAL; + sl = array_index_nospec(sl, ARRAY_SIZE(ibp->sl_to_sc)); sc5 = ibp->sl_to_sc[sl]; if (sc_to_vlt(dd, sc5) > num_vls && sc_to_vlt(dd, sc5) != 0xf) diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 5689d742bafb..4c88d6f72574 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -772,6 +772,8 @@ static int i40iw_query_qp(struct ib_qp *ibqp, struct i40iw_qp *iwqp = to_iwqp(ibqp); struct i40iw_sc_qp *qp = &iwqp->sc_qp; + attr->qp_state = iwqp->ibqp_state; + attr->cur_qp_state = attr->qp_state; attr->qp_access_flags = 0; attr->cap.max_send_wr = qp->qp_uk.sq_size; attr->cap.max_recv_wr = qp->qp_uk.rq_size; diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c index 6c529e6f3a01..348c1df69cdc 100644 --- a/drivers/infiniband/hw/mlx5/mad.c +++ b/drivers/infiniband/hw/mlx5/mad.c @@ -200,19 +200,33 @@ static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt, vl_15_dropped); } -static int process_pma_cmd(struct mlx5_core_dev *mdev, u8 port_num, +static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num, const struct ib_mad *in_mad, struct ib_mad *out_mad) { - int err; + struct mlx5_core_dev *mdev; + bool native_port = true; + u8 mdev_port_num; void *out_cnt; + int err; + mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); + if (!mdev) { + /* Fail to get the native port, likely due to 2nd port is still + * unaffiliated. In such case default to 1st port and attached + * PF device. + */ + native_port = false; + mdev = dev->mdev; + mdev_port_num = 1; + } /* Declaring support of extended counters */ if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { struct ib_class_port_info cpi = {}; cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; memcpy((out_mad->data + 40), &cpi, sizeof(cpi)); - return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; + err = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; + goto done; } if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) { @@ -221,11 +235,13 @@ static int process_pma_cmd(struct mlx5_core_dev *mdev, u8 port_num, int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out); out_cnt = kvzalloc(sz, GFP_KERNEL); - if (!out_cnt) - return IB_MAD_RESULT_FAILURE; + if (!out_cnt) { + err = IB_MAD_RESULT_FAILURE; + goto done; + } err = mlx5_core_query_vport_counter(mdev, 0, 0, - port_num, out_cnt, sz); + mdev_port_num, out_cnt, sz); if (!err) pma_cnt_ext_assign(pma_cnt_ext, out_cnt); } else { @@ -234,20 +250,23 @@ static int process_pma_cmd(struct mlx5_core_dev *mdev, u8 port_num, int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); out_cnt = kvzalloc(sz, GFP_KERNEL); - if (!out_cnt) - return IB_MAD_RESULT_FAILURE; + if (!out_cnt) { + err = IB_MAD_RESULT_FAILURE; + goto done; + } - err = mlx5_core_query_ib_ppcnt(mdev, port_num, + err = mlx5_core_query_ib_ppcnt(mdev, mdev_port_num, out_cnt, sz); if (!err) pma_cnt_assign(pma_cnt, out_cnt); - } - + } kvfree(out_cnt); - if (err) - return IB_MAD_RESULT_FAILURE; - - return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; + err = err ? IB_MAD_RESULT_FAILURE : + IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; +done: + if (native_port) + mlx5_ib_put_native_port_mdev(dev, port_num); + return err; } int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, @@ -259,8 +278,6 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, struct mlx5_ib_dev *dev = to_mdev(ibdev); const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - struct mlx5_core_dev *mdev; - u8 mdev_port_num; int ret; if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || @@ -269,19 +286,14 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, memset(out_mad->data, 0, sizeof(out_mad->data)); - mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); - if (!mdev) - return IB_MAD_RESULT_FAILURE; - - if (MLX5_CAP_GEN(mdev, vport_counters) && + if (MLX5_CAP_GEN(dev->mdev, vport_counters) && in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT && in_mad->mad_hdr.method == IB_MGMT_METHOD_GET) { - ret = process_pma_cmd(mdev, mdev_port_num, in_mad, out_mad); + ret = process_pma_cmd(dev, port_num, in_mad, out_mad); } else { ret = process_mad(ibdev, mad_flags, port_num, in_wc, in_grh, in_mad, out_mad); } - mlx5_ib_put_native_port_mdev(dev, port_num); return ret; } diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 40eb8be482e4..f52b845f2f7b 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -480,6 +480,7 @@ struct mlx5_umr_wr { u64 length; int access_flags; u32 mkey; + u8 ignore_free_state:1; }; static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr) diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 5f09699fab98..e54bec2c2965 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -545,13 +545,16 @@ void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) return; c = order2idx(dev, mr->order); - if (c < 0 || c >= MAX_MR_CACHE_ENTRIES) { - mlx5_ib_warn(dev, "order %d, cache index %d\n", mr->order, c); - return; - } + WARN_ON(c < 0 || c >= MAX_MR_CACHE_ENTRIES); - if (unreg_umr(dev, mr)) + if (unreg_umr(dev, mr)) { + mr->allocated_from_cache = false; + destroy_mkey(dev, mr); + ent = &cache->ent[c]; + if (ent->cur < ent->limit) + queue_work(cache->wq, &ent->work); return; + } ent = &cache->ent[c]; spin_lock_irq(&ent->lock); @@ -1373,9 +1376,11 @@ static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) return 0; umrwr.wr.send_flags = MLX5_IB_SEND_UMR_DISABLE_MR | - MLX5_IB_SEND_UMR_FAIL_IF_FREE; + MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS; umrwr.wr.opcode = MLX5_IB_WR_UMR; + umrwr.pd = dev->umrc.pd; umrwr.mkey = mr->mmkey.key; + umrwr.ignore_free_state = 1; return mlx5_ib_post_send_wait(dev, &umrwr); } @@ -1578,10 +1583,10 @@ static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) mr->sig = NULL; } - mlx5_free_priv_descs(mr); - - if (!allocated_from_cache) + if (!allocated_from_cache) { destroy_mkey(dev, mr); + mlx5_free_priv_descs(mr); + } } static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index f6623c77443a..6dbca72a73b1 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1718,7 +1718,6 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, } MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); - MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); memcpy(rss_key, ucmd.rx_hash_key, len); break; } @@ -4262,10 +4261,14 @@ static int set_reg_umr_segment(struct mlx5_ib_dev *dev, memset(umr, 0, sizeof(*umr)); - if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) - umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ - else - umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ + if (!umrwr->ignore_free_state) { + if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) + /* fail if free */ + umr->flags = MLX5_UMR_CHECK_FREE; + else + /* fail if not free */ + umr->flags = MLX5_UMR_CHECK_NOT_FREE; + } umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index aca9f60f9b21..1cbfbd98eb22 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -431,6 +431,7 @@ static enum resp_states check_rkey(struct rxe_qp *qp, qp->resp.va = reth_va(pkt); qp->resp.rkey = reth_rkey(pkt); qp->resp.resid = reth_len(pkt); + qp->resp.length = reth_len(pkt); } access = (pkt->mask & RXE_READ_MASK) ? IB_ACCESS_REMOTE_READ : IB_ACCESS_REMOTE_WRITE; @@ -856,7 +857,9 @@ static enum resp_states do_complete(struct rxe_qp *qp, pkt->mask & RXE_WRITE_MASK) ? IB_WC_RECV_RDMA_WITH_IMM : IB_WC_RECV; wc->vendor_err = 0; - wc->byte_len = wqe->dma.length - wqe->dma.resid; + wc->byte_len = (pkt->mask & RXE_IMMDT_MASK && + pkt->mask & RXE_WRITE_MASK) ? + qp->resp.length : wqe->dma.length - wqe->dma.resid; /* fields after byte_len are different between kernel and user * space diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index e8be7f44e3be..28bfb3ece104 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -213,6 +213,7 @@ struct rxe_resp_info { struct rxe_mem *mr; u32 resid; u32 rkey; + u32 length; u64 atomic_orig; /* SRQ only */ diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 04ea7db08e87..ac0583ff280d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1893,12 +1893,6 @@ static void ipoib_child_init(struct net_device *ndev) struct ipoib_dev_priv *priv = ipoib_priv(ndev); struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); - dev_hold(priv->parent); - - down_write(&ppriv->vlan_rwsem); - list_add_tail(&priv->list, &ppriv->child_intfs); - up_write(&ppriv->vlan_rwsem); - priv->max_ib_mtu = ppriv->max_ib_mtu; set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags); memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, INFINIBAND_ALEN); @@ -1941,6 +1935,17 @@ static int ipoib_ndo_init(struct net_device *ndev) if (rc) { pr_warn("%s: failed to initialize device: %s port %d (ret = %d)\n", priv->ca->name, priv->dev->name, priv->port, rc); + return rc; + } + + if (priv->parent) { + struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); + + dev_hold(priv->parent); + + down_write(&ppriv->vlan_rwsem); + list_add_tail(&priv->list, &ppriv->child_intfs); + up_write(&ppriv->vlan_rwsem); } return 0; @@ -1958,6 +1963,14 @@ static void ipoib_ndo_uninit(struct net_device *dev) */ WARN_ON(!list_empty(&priv->child_intfs)); + if (priv->parent) { + struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); + + down_write(&ppriv->vlan_rwsem); + list_del(&priv->list); + up_write(&ppriv->vlan_rwsem); + } + ipoib_neigh_hash_uninit(dev); ipoib_ib_dev_cleanup(dev); @@ -1969,15 +1982,8 @@ static void ipoib_ndo_uninit(struct net_device *dev) priv->wq = NULL; } - if (priv->parent) { - struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); - - down_write(&ppriv->vlan_rwsem); - list_del(&priv->list); - up_write(&ppriv->vlan_rwsem); - + if (priv->parent) dev_put(priv->parent); - } } static int ipoib_set_vf_link_state(struct net_device *dev, int vf, int link_state) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 162b3236e72c..2101601adf57 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3752,7 +3752,8 @@ static void intel_unmap(struct device *dev, dma_addr_t dev_addr, size_t size) freelist = domain_unmap(domain, start_pfn, last_pfn); - if (intel_iommu_strict || (pdev && pdev->untrusted)) { + if (intel_iommu_strict || (pdev && pdev->untrusted) || + !has_iova_flush_queue(&domain->iovad)) { iommu_flush_iotlb_psi(iommu, domain, start_pfn, nrpages, !freelist, 0); /* free iova */ diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index d499b2621239..3e1a8a675572 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -54,9 +54,14 @@ init_iova_domain(struct iova_domain *iovad, unsigned long granule, } EXPORT_SYMBOL_GPL(init_iova_domain); +bool has_iova_flush_queue(struct iova_domain *iovad) +{ + return !!iovad->fq; +} + static void free_iova_flush_queue(struct iova_domain *iovad) { - if (!iovad->fq) + if (!has_iova_flush_queue(iovad)) return; if (timer_pending(&iovad->fq_timer)) @@ -74,13 +79,14 @@ static void free_iova_flush_queue(struct iova_domain *iovad) int init_iova_flush_queue(struct iova_domain *iovad, iova_flush_cb flush_cb, iova_entry_dtor entry_dtor) { + struct iova_fq __percpu *queue; int cpu; atomic64_set(&iovad->fq_flush_start_cnt, 0); atomic64_set(&iovad->fq_flush_finish_cnt, 0); - iovad->fq = alloc_percpu(struct iova_fq); - if (!iovad->fq) + queue = alloc_percpu(struct iova_fq); + if (!queue) return -ENOMEM; iovad->flush_cb = flush_cb; @@ -89,13 +95,17 @@ int init_iova_flush_queue(struct iova_domain *iovad, for_each_possible_cpu(cpu) { struct iova_fq *fq; - fq = per_cpu_ptr(iovad->fq, cpu); + fq = per_cpu_ptr(queue, cpu); fq->head = 0; fq->tail = 0; spin_lock_init(&fq->lock); } + smp_wmb(); + + iovad->fq = queue; + timer_setup(&iovad->fq_timer, fq_flush_timeout, 0); atomic_set(&iovad->fq_timer_on, 0); @@ -127,8 +137,9 @@ __cached_rbnode_delete_update(struct iova_domain *iovad, struct iova *free) struct iova *cached_iova; cached_iova = rb_entry(iovad->cached32_node, struct iova, node); - if (free->pfn_hi < iovad->dma_32bit_pfn && - free->pfn_lo >= cached_iova->pfn_lo) { + if (free == cached_iova || + (free->pfn_hi < iovad->dma_32bit_pfn && + free->pfn_lo >= cached_iova->pfn_lo)) { iovad->cached32_node = rb_next(&free->node); iovad->max32_alloc_size = iovad->dma_32bit_pfn; } diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index 4c99739b937e..0e224232f746 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -1955,6 +1955,9 @@ hfcsusb_probe(struct usb_interface *intf, const struct usb_device_id *id) /* get endpoint base */ idx = ((ep_addr & 0x7f) - 1) * 2; + if (idx > 15) + return -EIO; + if (ep_addr & 0x80) idx++; attr = ep->desc.bmAttributes; diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index f4b1950d35f3..0b821a5b2db8 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -418,11 +418,13 @@ struct mbox_chan *mbox_request_channel_byname(struct mbox_client *cl, of_property_for_each_string(np, "mbox-names", prop, mbox_name) { if (!strncmp(name, mbox_name, strlen(name))) - break; + return mbox_request_channel(cl, index); index++; } - return mbox_request_channel(cl, index); + dev_err(cl->dev, "%s() could not locate channel named \"%s\"\n", + __func__, name); + return ERR_PTR(-EINVAL); } EXPORT_SYMBOL_GPL(mbox_request_channel_byname); diff --git a/drivers/media/platform/coda/Makefile b/drivers/media/platform/coda/Makefile index f13adacd924e..cfe3ef8fad8a 100644 --- a/drivers/media/platform/coda/Makefile +++ b/drivers/media/platform/coda/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only ccflags-y += -I$(src) -coda-objs := coda-common.o coda-bit.o coda-gdi.o coda-h264.o coda-jpeg.o +coda-vpu-objs := coda-common.o coda-bit.o coda-gdi.o coda-h264.o coda-jpeg.o -obj-$(CONFIG_VIDEO_CODA) += coda.o +obj-$(CONFIG_VIDEO_CODA) += coda-vpu.o obj-$(CONFIG_VIDEO_IMX_VDOA) += imx-vdoa.o diff --git a/drivers/media/radio/radio-raremono.c b/drivers/media/radio/radio-raremono.c index 5e782b3c2fa9..bf1ee654df80 100644 --- a/drivers/media/radio/radio-raremono.c +++ b/drivers/media/radio/radio-raremono.c @@ -271,6 +271,14 @@ static int vidioc_g_frequency(struct file *file, void *priv, return 0; } +static void raremono_device_release(struct v4l2_device *v4l2_dev) +{ + struct raremono_device *radio = to_raremono_dev(v4l2_dev); + + kfree(radio->buffer); + kfree(radio); +} + /* File system interface */ static const struct v4l2_file_operations usb_raremono_fops = { .owner = THIS_MODULE, @@ -295,12 +303,14 @@ static int usb_raremono_probe(struct usb_interface *intf, struct raremono_device *radio; int retval = 0; - radio = devm_kzalloc(&intf->dev, sizeof(struct raremono_device), GFP_KERNEL); - if (radio) - radio->buffer = devm_kmalloc(&intf->dev, BUFFER_LENGTH, GFP_KERNEL); - - if (!radio || !radio->buffer) + radio = kzalloc(sizeof(*radio), GFP_KERNEL); + if (!radio) + return -ENOMEM; + radio->buffer = kmalloc(BUFFER_LENGTH, GFP_KERNEL); + if (!radio->buffer) { + kfree(radio); return -ENOMEM; + } radio->usbdev = interface_to_usbdev(intf); radio->intf = intf; @@ -324,7 +334,8 @@ static int usb_raremono_probe(struct usb_interface *intf, if (retval != 3 || (get_unaligned_be16(&radio->buffer[1]) & 0xfff) == 0x0242) { dev_info(&intf->dev, "this is not Thanko's Raremono.\n"); - return -ENODEV; + retval = -ENODEV; + goto free_mem; } dev_info(&intf->dev, "Thanko's Raremono connected: (%04X:%04X)\n", @@ -333,7 +344,7 @@ static int usb_raremono_probe(struct usb_interface *intf, retval = v4l2_device_register(&intf->dev, &radio->v4l2_dev); if (retval < 0) { dev_err(&intf->dev, "couldn't register v4l2_device\n"); - return retval; + goto free_mem; } mutex_init(&radio->lock); @@ -345,6 +356,7 @@ static int usb_raremono_probe(struct usb_interface *intf, radio->vdev.ioctl_ops = &usb_raremono_ioctl_ops; radio->vdev.lock = &radio->lock; radio->vdev.release = video_device_release_empty; + radio->v4l2_dev.release = raremono_device_release; usb_set_intfdata(intf, &radio->v4l2_dev); @@ -360,6 +372,10 @@ static int usb_raremono_probe(struct usb_interface *intf, } dev_err(&intf->dev, "could not register video device\n"); v4l2_device_unregister(&radio->v4l2_dev); + +free_mem: + kfree(radio->buffer); + kfree(radio); return retval; } diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index f746f6e2f686..a8a72d5fbd12 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -719,6 +719,12 @@ static int au0828_usb_probe(struct usb_interface *interface, /* Setup */ au0828_card_setup(dev); + /* + * Store the pointer to the au0828_dev so it can be accessed in + * au0828_usb_disconnect + */ + usb_set_intfdata(interface, dev); + /* Analog TV */ retval = au0828_analog_register(dev, interface); if (retval) { @@ -737,12 +743,6 @@ static int au0828_usb_probe(struct usb_interface *interface, /* Remote controller */ au0828_rc_register(dev); - /* - * Store the pointer to the au0828_dev so it can be accessed in - * au0828_usb_disconnect - */ - usb_set_intfdata(interface, dev); - pr_info("Registered device AU0828 [%s]\n", dev->board.name == NULL ? "Unset" : dev->board.name); diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/media/usb/cpia2/cpia2_usb.c index b2268981c963..17468f7d78ed 100644 --- a/drivers/media/usb/cpia2/cpia2_usb.c +++ b/drivers/media/usb/cpia2/cpia2_usb.c @@ -893,7 +893,6 @@ static void cpia2_usb_disconnect(struct usb_interface *intf) cpia2_unregister_camera(cam); v4l2_device_disconnect(&cam->v4l2_dev); mutex_unlock(&cam->v4l2_lock); - v4l2_device_put(&cam->v4l2_dev); if(cam->buffers) { DBG("Wakeup waiting processes\n"); @@ -902,6 +901,8 @@ static void cpia2_usb_disconnect(struct usb_interface *intf) wake_up_interruptible(&cam->wq_stream); } + v4l2_device_put(&cam->v4l2_dev); + LOG("CPiA2 camera disconnected.\n"); } diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index 70b5cb08d65b..bbf361ce0bd0 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -1670,7 +1670,7 @@ static int pvr2_decoder_enable(struct pvr2_hdw *hdw,int enablefl) } if (!hdw->flag_decoder_missed) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, - "WARNING: No decoder present"); + "***WARNING*** No decoder present"); hdw->flag_decoder_missed = !0; trace_stbit("flag_decoder_missed", hdw->flag_decoder_missed); @@ -2356,7 +2356,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, if (hdw_desc->flag_is_experimental) { pvr2_trace(PVR2_TRACE_INFO, "**********"); pvr2_trace(PVR2_TRACE_INFO, - "WARNING: Support for this device (%s) is experimental.", + "***WARNING*** Support for this device (%s) is experimental.", hdw_desc->description); pvr2_trace(PVR2_TRACE_INFO, "Important functionality might not be entirely working."); diff --git a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c index 68e323f8d9cf..275394bafe7d 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c @@ -333,11 +333,11 @@ static int i2c_hack_cx25840(struct pvr2_hdw *hdw, if ((ret != 0) || (*rdata == 0x04) || (*rdata == 0x0a)) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, - "WARNING: Detected a wedged cx25840 chip; the device will not work."); + "***WARNING*** Detected a wedged cx25840 chip; the device will not work."); pvr2_trace(PVR2_TRACE_ERROR_LEGS, - "WARNING: Try power cycling the pvrusb2 device."); + "***WARNING*** Try power cycling the pvrusb2 device."); pvr2_trace(PVR2_TRACE_ERROR_LEGS, - "WARNING: Disabling further access to the device to prevent other foul-ups."); + "***WARNING*** Disabling further access to the device to prevent other foul-ups."); // This blocks all further communication with the part. hdw->i2c_func[0x44] = NULL; pvr2_hdw_render_useless(hdw); diff --git a/drivers/media/usb/pvrusb2/pvrusb2-std.c b/drivers/media/usb/pvrusb2/pvrusb2-std.c index 447279b4a545..e7ab41401577 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-std.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-std.c @@ -343,7 +343,7 @@ struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr, bcnt = pvr2_std_id_to_str(buf,sizeof(buf),fmsk); pvr2_trace( PVR2_TRACE_ERROR_LEGS, - "WARNING: Failed to classify the following standard(s): %.*s", + "***WARNING*** Failed to classify the following standard(s): %.*s", bcnt,buf); } diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index 6cfb293396f2..693ee73eb291 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -625,13 +625,18 @@ static int __init memstick_init(void) return -ENOMEM; rc = bus_register(&memstick_bus_type); - if (!rc) - rc = class_register(&memstick_host_class); + if (rc) + goto error_destroy_workqueue; - if (!rc) - return 0; + rc = class_register(&memstick_host_class); + if (rc) + goto error_bus_unregister; + + return 0; +error_bus_unregister: bus_unregister(&memstick_bus_type); +error_destroy_workqueue: destroy_workqueue(workqueue); return rc; diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 2bdc7b02157a..4a31907a4525 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -993,7 +993,7 @@ int arizona_dev_init(struct arizona *arizona) unsigned int reg, val; int (*apply_patch)(struct arizona *) = NULL; const struct mfd_cell *subdevs = NULL; - int n_subdevs, ret, i; + int n_subdevs = 0, ret, i; dev_set_drvdata(arizona->dev, arizona); mutex_init(&arizona->clk_lock); diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index a5391f96eafd..607383b67cf1 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -285,13 +285,15 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) resp = (struct ec_response_motion_sense *)msg->data; sensor_num = resp->dump.sensor_count; - /* Allocate 1 extra sensors in FIFO are needed */ - sensor_cells = kcalloc(sensor_num + 1, sizeof(struct mfd_cell), + /* + * Allocate 2 extra sensors if lid angle sensor and/or FIFO are needed. + */ + sensor_cells = kcalloc(sensor_num + 2, sizeof(struct mfd_cell), GFP_KERNEL); if (sensor_cells == NULL) goto error; - sensor_platforms = kcalloc(sensor_num + 1, + sensor_platforms = kcalloc(sensor_num, sizeof(struct cros_ec_sensor_platform), GFP_KERNEL); if (sensor_platforms == NULL) @@ -351,6 +353,11 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) sensor_cells[id].name = "cros-ec-ring"; id++; } + if (cros_ec_check_features(ec, + EC_FEATURE_REFINED_TABLET_MODE_HYSTERESIS)) { + sensor_cells[id].name = "cros-ec-lid-angle"; + id++; + } ret = mfd_add_devices(ec->dev, 0, sensor_cells, id, NULL, 0, NULL); diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c index f1c51ce309fa..7e3959aaa285 100644 --- a/drivers/mfd/hi655x-pmic.c +++ b/drivers/mfd/hi655x-pmic.c @@ -109,6 +109,8 @@ static int hi655x_pmic_probe(struct platform_device *pdev) pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base, &hi655x_regmap_config); + if (IS_ERR(pmic->regmap)) + return PTR_ERR(pmic->regmap); regmap_read(pmic->regmap, HI655X_BUS_ADDR(HI655X_VER_REG), &pmic->ver); if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) { diff --git a/drivers/mfd/madera-core.c b/drivers/mfd/madera-core.c index 2a77988d0462..826b971ccb86 100644 --- a/drivers/mfd/madera-core.c +++ b/drivers/mfd/madera-core.c @@ -286,6 +286,7 @@ const struct of_device_id madera_of_match[] = { { .compatible = "cirrus,wm1840", .data = (void *)WM1840 }, {} }; +MODULE_DEVICE_TABLE(of, madera_of_match); EXPORT_SYMBOL_GPL(madera_of_match); static int madera_get_reset_gpio(struct madera *madera) diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index dbf684c4ebfb..23276a80e3b4 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -175,6 +175,7 @@ static int mfd_add_device(struct device *parent, int id, for_each_child_of_node(parent->of_node, np) { if (of_device_is_compatible(np, cell->of_compatible)) { pdev->dev.of_node = np; + pdev->dev.fwnode = &np->fwnode; break; } } diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig index f88094719552..f2abe27010ef 100644 --- a/drivers/misc/eeprom/Kconfig +++ b/drivers/misc/eeprom/Kconfig @@ -5,6 +5,7 @@ config EEPROM_AT24 tristate "I2C EEPROMs / RAMs / ROMs from most vendors" depends on I2C && SYSFS select NVMEM + select NVMEM_SYSFS select REGMAP_I2C help Enable this driver to get read/write support to most I2C EEPROMs @@ -34,6 +35,7 @@ config EEPROM_AT25 tristate "SPI EEPROMs from most vendors" depends on SPI && SYSFS select NVMEM + select NVMEM_SYSFS help Enable this driver to get read/write support to most SPI EEPROMs, after you configure the board init code to know about each eeprom @@ -80,6 +82,7 @@ config EEPROM_93XX46 depends on SPI && SYSFS select REGMAP select NVMEM + select NVMEM_SYSFS help Driver for the microwire EEPROM chipsets 93xx46x. The driver supports both read and write commands and also the command to diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 63aa541c9608..50f0f3c66934 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -719,7 +719,7 @@ static int at24_probe(struct i2c_client *client) nvmem_config.name = dev_name(dev); nvmem_config.dev = dev; nvmem_config.read_only = !writable; - nvmem_config.root_only = true; + nvmem_config.root_only = !(flags & AT24_FLAG_IRUGO); nvmem_config.owner = THIS_MODULE; nvmem_config.compat = true; nvmem_config.base_dev = dev; diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index d74b182e19f3..6c0173772162 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -81,6 +81,9 @@ #define MEI_DEV_ID_ICP_LP 0x34E0 /* Ice Lake Point LP */ +#define MEI_DEV_ID_MCC 0x4B70 /* Mule Creek Canyon (EHL) */ +#define MEI_DEV_ID_MCC_4 0x4B75 /* Mule Creek Canyon 4 (EHL) */ + /* * MEI HW Section */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 7a2b3545a7f9..57cb68f5cc64 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -98,6 +98,9 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_ICP_LP, MEI_ME_PCH12_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_MCC, MEI_ME_PCH12_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_MCC_4, MEI_ME_PCH8_CFG)}, + /* required last entry */ {0, } }; diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index 3557d5c51141..245a6fd668c8 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -10,6 +10,7 @@ #include <linux/kthread.h> #include <linux/scatterlist.h> #include <linux/dma-mapping.h> +#include <linux/backing-dev.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -430,6 +431,10 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card) goto free_tag_set; } + if (mmc_host_is_spi(host) && host->use_spi_crc) + mq->queue->backing_dev_info->capabilities |= + BDI_CAP_STABLE_WRITES; + mq->queue->queuedata = mq; blk_queue_rq_timeout(mq->queue, 60 * HZ); diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index b53b6b7d4dd4..60c3a06e3469 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2034,8 +2034,7 @@ static void dw_mci_tasklet_func(unsigned long priv) * delayed. Allowing the transfer to take place * avoids races and keeps things simple. */ - if ((err != -ETIMEDOUT) && - (cmd->opcode == MMC_SEND_TUNING_BLOCK)) { + if (err != -ETIMEDOUT) { state = STATE_SENDING_DATA; continue; } diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 2d736e416775..ba9a63db73da 100644 --- a/drivers/mmc/host/meson-mx-sdio.c +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -73,7 +73,7 @@ #define MESON_MX_SDIO_IRQC_IF_CONFIG_MASK GENMASK(7, 6) #define MESON_MX_SDIO_IRQC_FORCE_DATA_CLK BIT(8) #define MESON_MX_SDIO_IRQC_FORCE_DATA_CMD BIT(9) - #define MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK GENMASK(10, 13) + #define MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK GENMASK(13, 10) #define MESON_MX_SDIO_IRQC_SOFT_RESET BIT(15) #define MESON_MX_SDIO_IRQC_FORCE_HALT BIT(30) #define MESON_MX_SDIO_IRQC_HALT_HOLE BIT(31) diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c index dd21315922c8..9dc4548271b4 100644 --- a/drivers/mmc/host/sdhci-pci-o2micro.c +++ b/drivers/mmc/host/sdhci-pci-o2micro.c @@ -395,11 +395,21 @@ int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot) { struct sdhci_pci_chip *chip; struct sdhci_host *host; - u32 reg; + u32 reg, caps; int ret; chip = slot->chip; host = slot->host; + + caps = sdhci_readl(host, SDHCI_CAPABILITIES); + + /* + * mmc_select_bus_width() will test the bus to determine the actual bus + * width. + */ + if (caps & SDHCI_CAN_DO_8BIT) + host->mmc->caps |= MMC_CAP_8_BIT_DATA; + switch (chip->pdev->device) { case PCI_DEVICE_ID_O2_SDS0: case PCI_DEVICE_ID_O2_SEABIRD0: diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index 9a822e2e9f0b..06f84a4d79e0 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -405,6 +405,7 @@ err_cleanup_host: sdhci_cleanup_host(host); pm_runtime_disable: + pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c index 1622d3145587..8ca9fad6e6ad 100644 --- a/drivers/mtd/nand/raw/nand_micron.c +++ b/drivers/mtd/nand/raw/nand_micron.c @@ -390,6 +390,14 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip) (chip->id.data[4] & MICRON_ID_INTERNAL_ECC_MASK) != 0x2) return MICRON_ON_DIE_UNSUPPORTED; + /* + * It seems that there are devices which do not support ECC officially. + * At least the MT29F2G08ABAGA / MT29F2G08ABBGA devices supports + * enabling the ECC feature but don't reflect that to the READ_ID table. + * So we have to guarantee that we disable the ECC feature directly + * after we did the READ_ID table command. Later we can evaluate the + * ECC_ENABLE support. + */ ret = micron_nand_on_die_ecc_setup(chip, true); if (ret) return MICRON_ON_DIE_UNSUPPORTED; @@ -398,13 +406,13 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip) if (ret) return MICRON_ON_DIE_UNSUPPORTED; - if (!(id[4] & MICRON_ID_ECC_ENABLED)) - return MICRON_ON_DIE_UNSUPPORTED; - ret = micron_nand_on_die_ecc_setup(chip, false); if (ret) return MICRON_ON_DIE_UNSUPPORTED; + if (!(id[4] & MICRON_ID_ECC_ENABLED)) + return MICRON_ON_DIE_UNSUPPORTED; + ret = nand_readid_op(chip, 0, id, sizeof(id)); if (ret) return MICRON_ON_DIE_UNSUPPORTED; diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c index b2f10b6ad6e5..bbb2575d4728 100644 --- a/drivers/net/caif/caif_hsi.c +++ b/drivers/net/caif/caif_hsi.c @@ -1455,7 +1455,7 @@ static void __exit cfhsi_exit_module(void) rtnl_lock(); list_for_each_safe(list_node, n, &cfhsi_list) { cfhsi = list_entry(list_node, struct cfhsi, list); - unregister_netdev(cfhsi->ndev); + unregister_netdevice(cfhsi->ndev); } rtnl_unlock(); } diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 063c7a671b41..2e8b1ab2c6f7 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -4711,6 +4711,8 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev) err = PTR_ERR(chip->reset); goto out; } + if (chip->reset) + usleep_range(1000, 2000); err = mv88e6xxx_detect(chip); if (err) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index c12c1bab0fe4..bf39fc83d577 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -285,6 +285,9 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata) hw_cons = le16_to_cpu(*txdata->tx_cons_sb); sw_cons = txdata->tx_pkt_cons; + /* Ensure subsequent loads occur after hw_cons */ + smp_rmb(); + while (sw_cons != hw_cons) { u16 pkt_cons; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 9090c79387c1..7afae9d80e75 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3022,7 +3022,7 @@ static int bnxt_alloc_vnics(struct bnxt *bp) int num_vnics = 1; #ifdef CONFIG_RFS_ACCEL - if (bp->flags & BNXT_FLAG_RFS) + if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS) num_vnics += bp->rx_nr_rings; #endif @@ -7133,6 +7133,9 @@ static int bnxt_alloc_rfs_vnics(struct bnxt *bp) #ifdef CONFIG_RFS_ACCEL int i, rc = 0; + if (bp->flags & BNXT_FLAG_CHIP_P5) + return 0; + for (i = 0; i < bp->rx_nr_rings; i++) { struct bnxt_vnic_info *vnic; u16 vnic_id = i + 1; @@ -9592,7 +9595,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, return -ENOMEM; vnics = 1; - if (bp->flags & BNXT_FLAG_RFS) + if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS) vnics += rx_rings; if (bp->flags & BNXT_FLAG_AGG_RINGS) diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 41b50e6570ea..2369b4bd63e3 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3083,39 +3083,42 @@ static void bcmgenet_timeout(struct net_device *dev) netif_tx_wake_all_queues(dev); } -#define MAX_MC_COUNT 16 +#define MAX_MDF_FILTER 17 static inline void bcmgenet_set_mdf_addr(struct bcmgenet_priv *priv, unsigned char *addr, - int *i, - int *mc) + int *i) { - u32 reg; - bcmgenet_umac_writel(priv, addr[0] << 8 | addr[1], UMAC_MDF_ADDR + (*i * 4)); bcmgenet_umac_writel(priv, addr[2] << 24 | addr[3] << 16 | addr[4] << 8 | addr[5], UMAC_MDF_ADDR + ((*i + 1) * 4)); - reg = bcmgenet_umac_readl(priv, UMAC_MDF_CTRL); - reg |= (1 << (MAX_MC_COUNT - *mc)); - bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL); *i += 2; - (*mc)++; } static void bcmgenet_set_rx_mode(struct net_device *dev) { struct bcmgenet_priv *priv = netdev_priv(dev); struct netdev_hw_addr *ha; - int i, mc; + int i, nfilter; u32 reg; netif_dbg(priv, hw, dev, "%s: %08X\n", __func__, dev->flags); - /* Promiscuous mode */ + /* Number of filters needed */ + nfilter = netdev_uc_count(dev) + netdev_mc_count(dev) + 2; + + /* + * Turn on promicuous mode for three scenarios + * 1. IFF_PROMISC flag is set + * 2. IFF_ALLMULTI flag is set + * 3. The number of filters needed exceeds the number filters + * supported by the hardware. + */ reg = bcmgenet_umac_readl(priv, UMAC_CMD); - if (dev->flags & IFF_PROMISC) { + if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) || + (nfilter > MAX_MDF_FILTER)) { reg |= CMD_PROMISC; bcmgenet_umac_writel(priv, reg, UMAC_CMD); bcmgenet_umac_writel(priv, 0, UMAC_MDF_CTRL); @@ -3125,32 +3128,24 @@ static void bcmgenet_set_rx_mode(struct net_device *dev) bcmgenet_umac_writel(priv, reg, UMAC_CMD); } - /* UniMac doesn't support ALLMULTI */ - if (dev->flags & IFF_ALLMULTI) { - netdev_warn(dev, "ALLMULTI is not supported\n"); - return; - } - /* update MDF filter */ i = 0; - mc = 0; /* Broadcast */ - bcmgenet_set_mdf_addr(priv, dev->broadcast, &i, &mc); + bcmgenet_set_mdf_addr(priv, dev->broadcast, &i); /* my own address.*/ - bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i, &mc); - /* Unicast list*/ - if (netdev_uc_count(dev) > (MAX_MC_COUNT - mc)) - return; + bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i); - if (!netdev_uc_empty(dev)) - netdev_for_each_uc_addr(ha, dev) - bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc); - /* Multicast */ - if (netdev_mc_empty(dev) || netdev_mc_count(dev) >= (MAX_MC_COUNT - mc)) - return; + /* Unicast */ + netdev_for_each_uc_addr(ha, dev) + bcmgenet_set_mdf_addr(priv, ha->addr, &i); + /* Multicast */ netdev_for_each_mc_addr(ha, dev) - bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc); + bcmgenet_set_mdf_addr(priv, ha->addr, &i); + + /* Enable filters */ + reg = GENMASK(MAX_MDF_FILTER - 1, MAX_MDF_FILTER - nfilter); + bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL); } /* Set the hardware MAC address. */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c index a76529a7662d..c2e92786608b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c @@ -1054,14 +1054,12 @@ static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init, } } -static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init, - struct cudbg_buffer *dbg_buff, - struct cudbg_error *cudbg_err, - u8 mem_type) +static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init, + struct cudbg_error *cudbg_err, + u8 mem_type) { struct adapter *padap = pdbg_init->adap; struct cudbg_meminfo mem_info; - unsigned long size; u8 mc_idx; int rc; @@ -1075,7 +1073,16 @@ static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init, if (rc) return rc; - size = mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base; + return mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base; +} + +static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init, + struct cudbg_buffer *dbg_buff, + struct cudbg_error *cudbg_err, + u8 mem_type) +{ + unsigned long size = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type); + return cudbg_read_fw_mem(pdbg_init, dbg_buff, mem_type, size, cudbg_err); } diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 82015c8a5ed7..b7a246b33599 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -4697,8 +4697,12 @@ int be_update_queues(struct be_adapter *adapter) struct net_device *netdev = adapter->netdev; int status; - if (netif_running(netdev)) + if (netif_running(netdev)) { + /* device cannot transmit now, avoid dev_watchdog timeouts */ + netif_carrier_off(netdev); + be_close(netdev); + } be_cancel_worker(adapter); diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index fe518c854d1f..c93a6f9b735b 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -4917,6 +4917,13 @@ static const struct dmi_system_id msi_blacklist[] = { DMI_MATCH(DMI_PRODUCT_NAME, "P-79"), }, }, + { + .ident = "ASUS P6T", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "P6T"), + }, + }, {} }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index cc6797e24571..cc227a7aa79f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -294,6 +294,7 @@ enum { MLX5E_RQ_STATE_ENABLED, MLX5E_RQ_STATE_AM, MLX5E_RQ_STATE_NO_CSUM_COMPLETE, + MLX5E_RQ_STATE_CSUM_FULL, /* cqe_csum_full hw bit is set */ }; struct mlx5e_cq { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c index 476dd97f7f2f..f3d98748b211 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c @@ -142,22 +142,20 @@ static int mlx5e_tx_reporter_timeout_recover(struct mlx5e_txqsq *sq) { struct mlx5_eq_comp *eq = sq->cq.mcq.eq; u32 eqe_count; - int ret; netdev_err(sq->channel->netdev, "EQ 0x%x: Cons = 0x%x, irqn = 0x%x\n", eq->core.eqn, eq->core.cons_index, eq->core.irqn); eqe_count = mlx5_eq_poll_irq_disabled(eq); - ret = eqe_count ? false : true; if (!eqe_count) { clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); - return ret; + return -EIO; } netdev_err(sq->channel->netdev, "Recover %d eqes on EQ 0x%x\n", eqe_count, eq->core.eqn); sq->channel->stats->eq_rearm++; - return ret; + return 0; } int mlx5e_tx_reporter_timeout(struct mlx5e_txqsq *sq) @@ -264,13 +262,13 @@ static int mlx5e_tx_reporter_diagnose(struct devlink_health_reporter *reporter, err = mlx5_core_query_sq_state(priv->mdev, sq->sqn, &state); if (err) - break; + goto unlock; err = mlx5e_tx_reporter_build_diagnose_output(fmsg, sq->sqn, state, netif_xmit_stopped(sq->txq)); if (err) - break; + goto unlock; } err = devlink_fmsg_arr_pair_nest_end(fmsg); if (err) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 8db9fdbc03ea..a44c24280128 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -855,6 +855,9 @@ static int mlx5e_open_rq(struct mlx5e_channel *c, if (err) goto err_destroy_rq; + if (MLX5_CAP_ETH(c->mdev, cqe_checksum_full)) + __set_bit(MLX5E_RQ_STATE_CSUM_FULL, &c->rq.state); + if (params->rx_dim_enabled) __set_bit(MLX5E_RQ_STATE_AM, &c->rq.state); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 13133e7f088e..8a5f9411cac6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -873,8 +873,14 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, if (unlikely(get_ip_proto(skb, network_depth, proto) == IPPROTO_SCTP)) goto csum_unnecessary; + stats->csum_complete++; skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = csum_unfold((__force __sum16)cqe->check_sum); + + if (test_bit(MLX5E_RQ_STATE_CSUM_FULL, &rq->state)) + return; /* CQE csum covers all received bytes */ + + /* csum might need some fixups ...*/ if (network_depth > ETH_HLEN) /* CQE csum is calculated from the IP header and does * not cover VLAN headers (if present). This will add @@ -885,7 +891,6 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, skb->csum); mlx5e_skb_padding_csum(skb, network_depth, proto, stats); - stats->csum_complete++; return; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index acab26b88261..535221b5256b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1882,11 +1882,6 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev) esw->enabled_vports = 0; esw->mode = SRIOV_NONE; esw->offloads.inline_mode = MLX5_INLINE_MODE_NONE; - if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, reformat) && - MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap)) - esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC; - else - esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE; dev->priv.eswitch = esw; return 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 47b446d30f71..c2beadc41c40 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1840,6 +1840,12 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int vf_nvports, { int err; + if (MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat) && + MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, decap)) + esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC; + else + esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE; + err = esw_offloads_steering_init(esw, vf_nvports, total_nvports); if (err) return err; @@ -1901,6 +1907,7 @@ void esw_offloads_cleanup(struct mlx5_eswitch *esw) esw_offloads_devcom_cleanup(esw); esw_offloads_unload_all_reps(esw, num_vfs); esw_offloads_steering_cleanup(esw); + esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE; } static int esw_mode_from_devlink(u16 mode, u16 *mlx5_mode) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c index 9ca492b430d8..603d294757b4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c @@ -698,7 +698,9 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u8 port_num, prof->init(mdev, netdev, prof, ipriv); - mlx5e_attach_netdev(epriv); + err = mlx5e_attach_netdev(epriv); + if (err) + goto detach; netif_carrier_off(netdev); /* set rdma_netdev func pointers */ @@ -714,6 +716,11 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u8 port_num, return 0; +detach: + prof->cleanup(epriv); + if (ipriv->sub_interface) + return err; + mlx5e_destroy_mdev_resources(mdev); destroy_ht: mlx5i_pkey_qpn_ht_cleanup(netdev); return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c index be69c1d7941a..48b5c847b642 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c @@ -98,27 +98,12 @@ static int mlx5_set_entropy(struct mlx5_tun_entropy *tun_entropy, */ if (entropy_flags.gre_calc_supported && reformat_type == MLX5_REFORMAT_TYPE_L2_TO_NVGRE) { - /* Other applications may change the global FW entropy - * calculations settings. Check that the current entropy value - * is the negative of the updated value. - */ - if (entropy_flags.force_enabled && - enable == entropy_flags.gre_calc_enabled) { - mlx5_core_warn(tun_entropy->mdev, - "Unexpected GRE entropy calc setting - expected %d", - !entropy_flags.gre_calc_enabled); - return -EOPNOTSUPP; - } - err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, enable, - entropy_flags.force_supported); + if (!entropy_flags.force_supported) + return 0; + err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, + enable, !enable); if (err) return err; - /* if we turn on the entropy we don't need to force it anymore */ - if (entropy_flags.force_supported && enable) { - err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, 1, 0); - if (err) - return err; - } } else if (entropy_flags.calc_supported) { /* Other applications may change the global FW entropy * calculations settings. Check that the current entropy value diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 8601b3041acd..332195d96c62 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -805,6 +805,7 @@ int mlxsw_sp_setup_tc_prio(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_prio_qopt_offload *p); /* spectrum_fid.c */ +bool mlxsw_sp_fid_is_dummy(struct mlxsw_sp *mlxsw_sp, u16 fid_index); bool mlxsw_sp_fid_lag_vid_valid(const struct mlxsw_sp_fid *fid); struct mlxsw_sp_fid *mlxsw_sp_fid_lookup_by_index(struct mlxsw_sp *mlxsw_sp, u16 fid_index); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c index b25048c6c761..21296fa7f7fb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c @@ -408,14 +408,6 @@ static int mlxsw_sp_port_dcb_app_update(struct mlxsw_sp_port *mlxsw_sp_port) have_dscp = mlxsw_sp_port_dcb_app_prio_dscp_map(mlxsw_sp_port, &prio_map); - if (!have_dscp) { - err = mlxsw_sp_port_dcb_toggle_trust(mlxsw_sp_port, - MLXSW_REG_QPTS_TRUST_STATE_PCP); - if (err) - netdev_err(mlxsw_sp_port->dev, "Couldn't switch to trust L2\n"); - return err; - } - mlxsw_sp_port_dcb_app_dscp_prio_map(mlxsw_sp_port, default_prio, &dscp_map); err = mlxsw_sp_port_dcb_app_update_qpdpm(mlxsw_sp_port, @@ -432,6 +424,14 @@ static int mlxsw_sp_port_dcb_app_update(struct mlxsw_sp_port *mlxsw_sp_port) return err; } + if (!have_dscp) { + err = mlxsw_sp_port_dcb_toggle_trust(mlxsw_sp_port, + MLXSW_REG_QPTS_TRUST_STATE_PCP); + if (err) + netdev_err(mlxsw_sp_port->dev, "Couldn't switch to trust L2\n"); + return err; + } + err = mlxsw_sp_port_dcb_toggle_trust(mlxsw_sp_port, MLXSW_REG_QPTS_TRUST_STATE_DSCP); if (err) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c index 46baf3b44309..8df3cb21baa6 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c @@ -126,6 +126,16 @@ static const int *mlxsw_sp_packet_type_sfgc_types[] = { [MLXSW_SP_FLOOD_TYPE_MC] = mlxsw_sp_sfgc_mc_packet_types, }; +bool mlxsw_sp_fid_is_dummy(struct mlxsw_sp *mlxsw_sp, u16 fid_index) +{ + enum mlxsw_sp_fid_type fid_type = MLXSW_SP_FID_TYPE_DUMMY; + struct mlxsw_sp_fid_family *fid_family; + + fid_family = mlxsw_sp->fid_core->fid_family_arr[fid_type]; + + return fid_family->start_index == fid_index; +} + bool mlxsw_sp_fid_lag_vid_valid(const struct mlxsw_sp_fid *fid) { return fid->fid_family->lag_vid_valid; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 50111f228d77..5ecb45118400 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -2468,6 +2468,9 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, goto just_remove; } + if (mlxsw_sp_fid_is_dummy(mlxsw_sp, fid)) + goto just_remove; + mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); if (!mlxsw_sp_port_vlan) { netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); @@ -2527,6 +2530,9 @@ static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, goto just_remove; } + if (mlxsw_sp_fid_is_dummy(mlxsw_sp, fid)) + goto just_remove; + mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); if (!mlxsw_sp_port_vlan) { netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index d06a61f00e78..96637fcbe65d 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -5157,6 +5157,143 @@ static void rtl_hw_start_8411_2(struct rtl8169_private *tp) /* disable aspm and clock request before access ephy */ rtl_hw_aspm_clkreq_enable(tp, false); rtl_ephy_init(tp, e_info_8411_2); + + /* The following Realtek-provided magic fixes an issue with the RX unit + * getting confused after the PHY having been powered-down. + */ + r8168_mac_ocp_write(tp, 0xFC28, 0x0000); + r8168_mac_ocp_write(tp, 0xFC2A, 0x0000); + r8168_mac_ocp_write(tp, 0xFC2C, 0x0000); + r8168_mac_ocp_write(tp, 0xFC2E, 0x0000); + r8168_mac_ocp_write(tp, 0xFC30, 0x0000); + r8168_mac_ocp_write(tp, 0xFC32, 0x0000); + r8168_mac_ocp_write(tp, 0xFC34, 0x0000); + r8168_mac_ocp_write(tp, 0xFC36, 0x0000); + mdelay(3); + r8168_mac_ocp_write(tp, 0xFC26, 0x0000); + + r8168_mac_ocp_write(tp, 0xF800, 0xE008); + r8168_mac_ocp_write(tp, 0xF802, 0xE00A); + r8168_mac_ocp_write(tp, 0xF804, 0xE00C); + r8168_mac_ocp_write(tp, 0xF806, 0xE00E); + r8168_mac_ocp_write(tp, 0xF808, 0xE027); + r8168_mac_ocp_write(tp, 0xF80A, 0xE04F); + r8168_mac_ocp_write(tp, 0xF80C, 0xE05E); + r8168_mac_ocp_write(tp, 0xF80E, 0xE065); + r8168_mac_ocp_write(tp, 0xF810, 0xC602); + r8168_mac_ocp_write(tp, 0xF812, 0xBE00); + r8168_mac_ocp_write(tp, 0xF814, 0x0000); + r8168_mac_ocp_write(tp, 0xF816, 0xC502); + r8168_mac_ocp_write(tp, 0xF818, 0xBD00); + r8168_mac_ocp_write(tp, 0xF81A, 0x074C); + r8168_mac_ocp_write(tp, 0xF81C, 0xC302); + r8168_mac_ocp_write(tp, 0xF81E, 0xBB00); + r8168_mac_ocp_write(tp, 0xF820, 0x080A); + r8168_mac_ocp_write(tp, 0xF822, 0x6420); + r8168_mac_ocp_write(tp, 0xF824, 0x48C2); + r8168_mac_ocp_write(tp, 0xF826, 0x8C20); + r8168_mac_ocp_write(tp, 0xF828, 0xC516); + r8168_mac_ocp_write(tp, 0xF82A, 0x64A4); + r8168_mac_ocp_write(tp, 0xF82C, 0x49C0); + r8168_mac_ocp_write(tp, 0xF82E, 0xF009); + r8168_mac_ocp_write(tp, 0xF830, 0x74A2); + r8168_mac_ocp_write(tp, 0xF832, 0x8CA5); + r8168_mac_ocp_write(tp, 0xF834, 0x74A0); + r8168_mac_ocp_write(tp, 0xF836, 0xC50E); + r8168_mac_ocp_write(tp, 0xF838, 0x9CA2); + r8168_mac_ocp_write(tp, 0xF83A, 0x1C11); + r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0); + r8168_mac_ocp_write(tp, 0xF83E, 0xE006); + r8168_mac_ocp_write(tp, 0xF840, 0x74F8); + r8168_mac_ocp_write(tp, 0xF842, 0x48C4); + r8168_mac_ocp_write(tp, 0xF844, 0x8CF8); + r8168_mac_ocp_write(tp, 0xF846, 0xC404); + r8168_mac_ocp_write(tp, 0xF848, 0xBC00); + r8168_mac_ocp_write(tp, 0xF84A, 0xC403); + r8168_mac_ocp_write(tp, 0xF84C, 0xBC00); + r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2); + r8168_mac_ocp_write(tp, 0xF850, 0x0C0A); + r8168_mac_ocp_write(tp, 0xF852, 0xE434); + r8168_mac_ocp_write(tp, 0xF854, 0xD3C0); + r8168_mac_ocp_write(tp, 0xF856, 0x49D9); + r8168_mac_ocp_write(tp, 0xF858, 0xF01F); + r8168_mac_ocp_write(tp, 0xF85A, 0xC526); + r8168_mac_ocp_write(tp, 0xF85C, 0x64A5); + r8168_mac_ocp_write(tp, 0xF85E, 0x1400); + r8168_mac_ocp_write(tp, 0xF860, 0xF007); + r8168_mac_ocp_write(tp, 0xF862, 0x0C01); + r8168_mac_ocp_write(tp, 0xF864, 0x8CA5); + r8168_mac_ocp_write(tp, 0xF866, 0x1C15); + r8168_mac_ocp_write(tp, 0xF868, 0xC51B); + r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0); + r8168_mac_ocp_write(tp, 0xF86C, 0xE013); + r8168_mac_ocp_write(tp, 0xF86E, 0xC519); + r8168_mac_ocp_write(tp, 0xF870, 0x74A0); + r8168_mac_ocp_write(tp, 0xF872, 0x48C4); + r8168_mac_ocp_write(tp, 0xF874, 0x8CA0); + r8168_mac_ocp_write(tp, 0xF876, 0xC516); + r8168_mac_ocp_write(tp, 0xF878, 0x74A4); + r8168_mac_ocp_write(tp, 0xF87A, 0x48C8); + r8168_mac_ocp_write(tp, 0xF87C, 0x48CA); + r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4); + r8168_mac_ocp_write(tp, 0xF880, 0xC512); + r8168_mac_ocp_write(tp, 0xF882, 0x1B00); + r8168_mac_ocp_write(tp, 0xF884, 0x9BA0); + r8168_mac_ocp_write(tp, 0xF886, 0x1B1C); + r8168_mac_ocp_write(tp, 0xF888, 0x483F); + r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2); + r8168_mac_ocp_write(tp, 0xF88C, 0x1B04); + r8168_mac_ocp_write(tp, 0xF88E, 0xC508); + r8168_mac_ocp_write(tp, 0xF890, 0x9BA0); + r8168_mac_ocp_write(tp, 0xF892, 0xC505); + r8168_mac_ocp_write(tp, 0xF894, 0xBD00); + r8168_mac_ocp_write(tp, 0xF896, 0xC502); + r8168_mac_ocp_write(tp, 0xF898, 0xBD00); + r8168_mac_ocp_write(tp, 0xF89A, 0x0300); + r8168_mac_ocp_write(tp, 0xF89C, 0x051E); + r8168_mac_ocp_write(tp, 0xF89E, 0xE434); + r8168_mac_ocp_write(tp, 0xF8A0, 0xE018); + r8168_mac_ocp_write(tp, 0xF8A2, 0xE092); + r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20); + r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0); + r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F); + r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4); + r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3); + r8168_mac_ocp_write(tp, 0xF8AE, 0xF007); + r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0); + r8168_mac_ocp_write(tp, 0xF8B2, 0xF103); + r8168_mac_ocp_write(tp, 0xF8B4, 0xC607); + r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00); + r8168_mac_ocp_write(tp, 0xF8B8, 0xC606); + r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00); + r8168_mac_ocp_write(tp, 0xF8BC, 0xC602); + r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00); + r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C); + r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28); + r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C); + r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00); + r8168_mac_ocp_write(tp, 0xF8C8, 0xC707); + r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00); + r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2); + r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1); + r8168_mac_ocp_write(tp, 0xF8D0, 0xC502); + r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00); + r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA); + r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0); + r8168_mac_ocp_write(tp, 0xF8D8, 0xC502); + r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00); + r8168_mac_ocp_write(tp, 0xF8DC, 0x0132); + + r8168_mac_ocp_write(tp, 0xFC26, 0x8000); + + r8168_mac_ocp_write(tp, 0xFC2A, 0x0743); + r8168_mac_ocp_write(tp, 0xFC2C, 0x0801); + r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9); + r8168_mac_ocp_write(tp, 0xFC30, 0x02FD); + r8168_mac_ocp_write(tp, 0xFC32, 0x0C25); + r8168_mac_ocp_write(tp, 0xFC34, 0x00A9); + r8168_mac_ocp_write(tp, 0xFC36, 0x012D); + rtl_hw_aspm_clkreq_enable(tp, true); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index dbee9b0113e3..932e54e25b71 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3048,17 +3048,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) /* Manage oversized TCP frames for GMAC4 device */ if (skb_is_gso(skb) && priv->tso) { - if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { - /* - * There is no way to determine the number of TSO - * capable Queues. Let's use always the Queue 0 - * because if TSO is supported then at least this - * one will be capable. - */ - skb_set_queue_mapping(skb, 0); - + if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) return stmmac_tso_xmit(skb, dev); - } } if (unlikely(stmmac_tx_avail(priv, queue) < nfrags + 1)) { @@ -3875,6 +3866,22 @@ static int stmmac_setup_tc(struct net_device *ndev, enum tc_setup_type type, } } +static u16 stmmac_select_queue(struct net_device *dev, struct sk_buff *skb, + struct net_device *sb_dev) +{ + if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { + /* + * There is no way to determine the number of TSO + * capable Queues. Let's use always the Queue 0 + * because if TSO is supported then at least this + * one will be capable. + */ + return 0; + } + + return netdev_pick_tx(dev, skb, NULL) % dev->real_num_tx_queues; +} + static int stmmac_set_mac_address(struct net_device *ndev, void *addr) { struct stmmac_priv *priv = netdev_priv(ndev); @@ -4091,6 +4098,7 @@ static const struct net_device_ops stmmac_netdev_ops = { .ndo_tx_timeout = stmmac_tx_timeout, .ndo_do_ioctl = stmmac_ioctl, .ndo_setup_tc = stmmac_setup_tc, + .ndo_select_queue = stmmac_select_queue, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = stmmac_poll_controller, #endif diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index afdcc5664ea6..3544e1991579 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -836,7 +836,6 @@ int netvsc_recv_callback(struct net_device *net, if (unlikely(!skb)) { ++net_device_ctx->eth_stats.rx_no_memory; - rcu_read_unlock(); return NVSP_STAT_FAIL; } diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 75aebf65cd09..8f46aa1ddec0 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -865,6 +865,7 @@ static void macsec_reset_skb(struct sk_buff *skb, struct net_device *dev) static void macsec_finalize_skb(struct sk_buff *skb, u8 icv_len, u8 hdr_len) { + skb->ip_summed = CHECKSUM_NONE; memmove(skb->data + hdr_len, skb->data, 2 * ETH_ALEN); skb_pull(skb, hdr_len); pskb_trim_unique(skb, skb->len - icv_len); @@ -1099,10 +1100,9 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) } skb = skb_unshare(skb, GFP_ATOMIC); - if (!skb) { - *pskb = NULL; + *pskb = skb; + if (!skb) return RX_HANDLER_CONSUMED; - } pulled_sci = pskb_may_pull(skb, macsec_extra_len(true)); if (!pulled_sci) { diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index b6efd2d41dce..be0271a51b0a 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -515,7 +515,7 @@ static int sfp_hwmon_read_sensor(struct sfp *sfp, int reg, long *value) static void sfp_hwmon_to_rx_power(long *value) { - *value = DIV_ROUND_CLOSEST(*value, 100); + *value = DIV_ROUND_CLOSEST(*value, 10); } static void sfp_hwmon_calibrate(struct sfp *sfp, unsigned int slope, int offset, diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 311b0cc6eb98..97fb0cb1b97a 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -165,23 +165,29 @@ static int vrf_ip6_local_out(struct net *net, struct sock *sk, static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb, struct net_device *dev) { - const struct ipv6hdr *iph = ipv6_hdr(skb); + const struct ipv6hdr *iph; struct net *net = dev_net(skb->dev); - struct flowi6 fl6 = { - /* needed to match OIF rule */ - .flowi6_oif = dev->ifindex, - .flowi6_iif = LOOPBACK_IFINDEX, - .daddr = iph->daddr, - .saddr = iph->saddr, - .flowlabel = ip6_flowinfo(iph), - .flowi6_mark = skb->mark, - .flowi6_proto = iph->nexthdr, - .flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF, - }; + struct flowi6 fl6; int ret = NET_XMIT_DROP; struct dst_entry *dst; struct dst_entry *dst_null = &net->ipv6.ip6_null_entry->dst; + if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct ipv6hdr))) + goto err; + + iph = ipv6_hdr(skb); + + memset(&fl6, 0, sizeof(fl6)); + /* needed to match OIF rule */ + fl6.flowi6_oif = dev->ifindex; + fl6.flowi6_iif = LOOPBACK_IFINDEX; + fl6.daddr = iph->daddr; + fl6.saddr = iph->saddr; + fl6.flowlabel = ip6_flowinfo(iph); + fl6.flowi6_mark = skb->mark; + fl6.flowi6_proto = iph->nexthdr; + fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; + dst = ip6_route_output(net, NULL, &fl6); if (dst == dst_null) goto err; @@ -237,21 +243,27 @@ static int vrf_ip_local_out(struct net *net, struct sock *sk, static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, struct net_device *vrf_dev) { - struct iphdr *ip4h = ip_hdr(skb); + struct iphdr *ip4h; int ret = NET_XMIT_DROP; - struct flowi4 fl4 = { - /* needed to match OIF rule */ - .flowi4_oif = vrf_dev->ifindex, - .flowi4_iif = LOOPBACK_IFINDEX, - .flowi4_tos = RT_TOS(ip4h->tos), - .flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF, - .flowi4_proto = ip4h->protocol, - .daddr = ip4h->daddr, - .saddr = ip4h->saddr, - }; + struct flowi4 fl4; struct net *net = dev_net(vrf_dev); struct rtable *rt; + if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct iphdr))) + goto err; + + ip4h = ip_hdr(skb); + + memset(&fl4, 0, sizeof(fl4)); + /* needed to match OIF rule */ + fl4.flowi4_oif = vrf_dev->ifindex; + fl4.flowi4_iif = LOOPBACK_IFINDEX; + fl4.flowi4_tos = RT_TOS(ip4h->tos); + fl4.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF; + fl4.flowi4_proto = ip4h->protocol; + fl4.daddr = ip4h->daddr; + fl4.saddr = ip4h->saddr; + rt = ip_route_output_flow(net, &fl4, NULL); if (IS_ERR(rt)) goto err; diff --git a/drivers/net/wireless/ath/ath10k/usb.c b/drivers/net/wireless/ath/ath10k/usb.c index 970cf69ac35f..a3ecf7d77949 100644 --- a/drivers/net/wireless/ath/ath10k/usb.c +++ b/drivers/net/wireless/ath/ath10k/usb.c @@ -1016,7 +1016,7 @@ static int ath10k_usb_probe(struct usb_interface *interface, } /* TODO: remove this once USB support is fully implemented */ - ath10k_warn(ar, "WARNING: ath10k USB support is incomplete, don't expect anything to work!\n"); + ath10k_warn(ar, "Warning: ath10k USB support is incomplete, don't expect anything to work!\n"); return 0; diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 2dca3034fee0..dfb93228d6a7 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -73,7 +73,7 @@ static void nvdimm_bus_probe_end(struct nvdimm_bus *nvdimm_bus) { nvdimm_bus_lock(&nvdimm_bus->dev); if (--nvdimm_bus->probe_active == 0) - wake_up(&nvdimm_bus->probe_wait); + wake_up(&nvdimm_bus->wait); nvdimm_bus_unlock(&nvdimm_bus->dev); } @@ -341,7 +341,7 @@ struct nvdimm_bus *nvdimm_bus_register(struct device *parent, return NULL; INIT_LIST_HEAD(&nvdimm_bus->list); INIT_LIST_HEAD(&nvdimm_bus->mapping_list); - init_waitqueue_head(&nvdimm_bus->probe_wait); + init_waitqueue_head(&nvdimm_bus->wait); nvdimm_bus->id = ida_simple_get(&nd_ida, 0, 0, GFP_KERNEL); if (nvdimm_bus->id < 0) { kfree(nvdimm_bus); @@ -426,6 +426,9 @@ static int nd_bus_remove(struct device *dev) list_del_init(&nvdimm_bus->list); mutex_unlock(&nvdimm_bus_list_mutex); + wait_event(nvdimm_bus->wait, + atomic_read(&nvdimm_bus->ioctl_active) == 0); + nd_synchronize(); device_for_each_child(&nvdimm_bus->dev, NULL, child_unregister); @@ -547,13 +550,38 @@ EXPORT_SYMBOL(nd_device_register); void nd_device_unregister(struct device *dev, enum nd_async_mode mode) { + bool killed; + switch (mode) { case ND_ASYNC: + /* + * In the async case this is being triggered with the + * device lock held and the unregistration work needs to + * be moved out of line iff this is thread has won the + * race to schedule the deletion. + */ + if (!kill_device(dev)) + return; + get_device(dev); async_schedule_domain(nd_async_device_unregister, dev, &nd_async_domain); break; case ND_SYNC: + /* + * In the sync case the device is being unregistered due + * to a state change of the parent. Claim the kill state + * to synchronize against other unregistration requests, + * or otherwise let the async path handle it if the + * unregistration was already queued. + */ + device_lock(dev); + killed = kill_device(dev); + device_unlock(dev); + + if (!killed) + return; + nd_synchronize(); device_unregister(dev); break; @@ -860,7 +888,7 @@ void wait_nvdimm_bus_probe_idle(struct device *dev) if (nvdimm_bus->probe_active == 0) break; nvdimm_bus_unlock(&nvdimm_bus->dev); - wait_event(nvdimm_bus->probe_wait, + wait_event(nvdimm_bus->wait, nvdimm_bus->probe_active == 0); nvdimm_bus_lock(&nvdimm_bus->dev); } while (true); @@ -1090,24 +1118,10 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, return rc; } -static long nd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - long id = (long) file->private_data; - int rc = -ENXIO, ro; - struct nvdimm_bus *nvdimm_bus; - - ro = ((file->f_flags & O_ACCMODE) == O_RDONLY); - mutex_lock(&nvdimm_bus_list_mutex); - list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) { - if (nvdimm_bus->id == id) { - rc = __nd_ioctl(nvdimm_bus, NULL, ro, cmd, arg); - break; - } - } - mutex_unlock(&nvdimm_bus_list_mutex); - - return rc; -} +enum nd_ioctl_mode { + BUS_IOCTL, + DIMM_IOCTL, +}; static int match_dimm(struct device *dev, void *data) { @@ -1122,31 +1136,62 @@ static int match_dimm(struct device *dev, void *data) return 0; } -static long nvdimm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +static long nd_ioctl(struct file *file, unsigned int cmd, unsigned long arg, + enum nd_ioctl_mode mode) + { - int rc = -ENXIO, ro; - struct nvdimm_bus *nvdimm_bus; + struct nvdimm_bus *nvdimm_bus, *found = NULL; + long id = (long) file->private_data; + struct nvdimm *nvdimm = NULL; + int rc, ro; ro = ((file->f_flags & O_ACCMODE) == O_RDONLY); mutex_lock(&nvdimm_bus_list_mutex); list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) { - struct device *dev = device_find_child(&nvdimm_bus->dev, - file->private_data, match_dimm); - struct nvdimm *nvdimm; - - if (!dev) - continue; + if (mode == DIMM_IOCTL) { + struct device *dev; + + dev = device_find_child(&nvdimm_bus->dev, + file->private_data, match_dimm); + if (!dev) + continue; + nvdimm = to_nvdimm(dev); + found = nvdimm_bus; + } else if (nvdimm_bus->id == id) { + found = nvdimm_bus; + } - nvdimm = to_nvdimm(dev); - rc = __nd_ioctl(nvdimm_bus, nvdimm, ro, cmd, arg); - put_device(dev); - break; + if (found) { + atomic_inc(&nvdimm_bus->ioctl_active); + break; + } } mutex_unlock(&nvdimm_bus_list_mutex); + if (!found) + return -ENXIO; + + nvdimm_bus = found; + rc = __nd_ioctl(nvdimm_bus, nvdimm, ro, cmd, arg); + + if (nvdimm) + put_device(&nvdimm->dev); + if (atomic_dec_and_test(&nvdimm_bus->ioctl_active)) + wake_up(&nvdimm_bus->wait); + return rc; } +static long bus_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + return nd_ioctl(file, cmd, arg, BUS_IOCTL); +} + +static long dimm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + return nd_ioctl(file, cmd, arg, DIMM_IOCTL); +} + static int nd_open(struct inode *inode, struct file *file) { long minor = iminor(inode); @@ -1158,16 +1203,16 @@ static int nd_open(struct inode *inode, struct file *file) static const struct file_operations nvdimm_bus_fops = { .owner = THIS_MODULE, .open = nd_open, - .unlocked_ioctl = nd_ioctl, - .compat_ioctl = nd_ioctl, + .unlocked_ioctl = bus_ioctl, + .compat_ioctl = bus_ioctl, .llseek = noop_llseek, }; static const struct file_operations nvdimm_fops = { .owner = THIS_MODULE, .open = nd_open, - .unlocked_ioctl = nvdimm_ioctl, - .compat_ioctl = nvdimm_ioctl, + .unlocked_ioctl = dimm_ioctl, + .compat_ioctl = dimm_ioctl, .llseek = noop_llseek, }; diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h index 391e88de3a29..6cd470547106 100644 --- a/drivers/nvdimm/nd-core.h +++ b/drivers/nvdimm/nd-core.h @@ -17,10 +17,11 @@ extern struct workqueue_struct *nvdimm_wq; struct nvdimm_bus { struct nvdimm_bus_descriptor *nd_desc; - wait_queue_head_t probe_wait; + wait_queue_head_t wait; struct list_head list; struct device dev; int id, probe_active; + atomic_t ioctl_active; struct list_head mapping_list; struct mutex reconfig_mutex; struct badrange badrange; diff --git a/drivers/nvdimm/region.c b/drivers/nvdimm/region.c index ef46cc3a71ae..488c47ac4c4a 100644 --- a/drivers/nvdimm/region.c +++ b/drivers/nvdimm/region.c @@ -34,17 +34,6 @@ static int nd_region_probe(struct device *dev) if (rc) return rc; - rc = nd_region_register_namespaces(nd_region, &err); - if (rc < 0) - return rc; - - ndrd = dev_get_drvdata(dev); - ndrd->ns_active = rc; - ndrd->ns_count = rc + err; - - if (rc && err && rc == err) - return -ENODEV; - if (is_nd_pmem(&nd_region->dev)) { struct resource ndr_res; @@ -60,6 +49,17 @@ static int nd_region_probe(struct device *dev) nvdimm_badblocks_populate(nd_region, &nd_region->bb, &ndr_res); } + rc = nd_region_register_namespaces(nd_region, &err); + if (rc < 0) + return rc; + + ndrd = dev_get_drvdata(dev); + ndrd->ns_active = rc; + ndrd->ns_count = rc + err; + + if (rc && err && rc == err) + return -ENODEV; + nd_region->btt_seed = nd_btt_create(nd_region); nd_region->pfn_seed = nd_pfn_create(nd_region); nd_region->dax_seed = nd_dax_create(nd_region); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 22c68e3b71d5..4a1d2ab4d161 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -11,6 +11,7 @@ #include <linux/hdreg.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/backing-dev.h> #include <linux/list_sort.h> #include <linux/slab.h> #include <linux/types.h> @@ -3256,6 +3257,10 @@ static int nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) goto out_free_ns; } + if (ctrl->opts && ctrl->opts->data_digest) + ns->queue->backing_dev_info->capabilities + |= BDI_CAP_STABLE_WRITES; + blk_queue_flag_set(QUEUE_FLAG_NONROT, ns->queue); if (ctrl->ops->flags & NVME_F_PCI_P2PDMA) blk_queue_flag_set(QUEUE_FLAG_PCI_P2PDMA, ns->queue); diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 499acf07d61a..e942b3e84068 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -12,11 +12,6 @@ module_param(multipath, bool, 0444); MODULE_PARM_DESC(multipath, "turn on native support for multiple controllers per subsystem"); -inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl) -{ - return multipath && ctrl->subsys && (ctrl->subsys->cmic & (1 << 3)); -} - /* * If multipathing is enabled we need to always use the subsystem instance * number for numbering our devices to avoid conflicts between subsystems that @@ -614,7 +609,8 @@ int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) { int error; - if (!nvme_ctrl_use_ana(ctrl)) + /* check if multipath is enabled and we have the capability */ + if (!multipath || !ctrl->subsys || !(ctrl->subsys->cmic & (1 << 3))) return 0; ctrl->anacap = id->anacap; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 55553d293a98..7391cd0a7739 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -472,7 +472,11 @@ extern const struct attribute_group *nvme_ns_id_attr_groups[]; extern const struct block_device_operations nvme_ns_head_ops; #ifdef CONFIG_NVME_MULTIPATH -bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl); +static inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl) +{ + return ctrl->ana_log_buf != NULL; +} + void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns, struct nvme_ctrl *ctrl, int *flags); void nvme_failover_req(struct request *req); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index f5bc1c30cef5..7fbcd72c438f 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1456,11 +1456,15 @@ static int nvme_alloc_sq_cmds(struct nvme_dev *dev, struct nvme_queue *nvmeq, if (qid && dev->cmb_use_sqes && (dev->cmbsz & NVME_CMBSZ_SQS)) { nvmeq->sq_cmds = pci_alloc_p2pmem(pdev, SQ_SIZE(depth)); - nvmeq->sq_dma_addr = pci_p2pmem_virt_to_bus(pdev, - nvmeq->sq_cmds); - if (nvmeq->sq_dma_addr) { - set_bit(NVMEQ_SQ_CMB, &nvmeq->flags); - return 0; + if (nvmeq->sq_cmds) { + nvmeq->sq_dma_addr = pci_p2pmem_virt_to_bus(pdev, + nvmeq->sq_cmds); + if (nvmeq->sq_dma_addr) { + set_bit(NVMEQ_SQ_CMB, &nvmeq->flags); + return 0; + } + + pci_free_p2pmem(pdev, nvmeq->sq_cmds, SQ_SIZE(depth)); } } @@ -2517,7 +2521,8 @@ static void nvme_reset_work(struct work_struct *work) * Limit the max command size to prevent iod->sg allocations going * over a single page. */ - dev->ctrl.max_hw_sectors = NVME_MAX_KB_SZ << 1; + dev->ctrl.max_hw_sectors = min_t(u32, + NVME_MAX_KB_SZ << 1, dma_max_mapping_size(dev->dev) >> 9); dev->ctrl.max_segments = NVME_MAX_SEGS; /* diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 08a2501b9357..606b13d35d16 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -860,7 +860,14 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req) else flags |= MSG_MORE; - ret = kernel_sendpage(queue->sock, page, offset, len, flags); + /* can't zcopy slab pages */ + if (unlikely(PageSlab(page))) { + ret = sock_no_sendpage(queue->sock, page, offset, len, + flags); + } else { + ret = kernel_sendpage(queue->sock, page, offset, len, + flags); + } if (ret <= 0) return ret; diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index 419451efd58c..4234ddb4722f 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -26,6 +26,7 @@ #include <linux/types.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> +#include <linux/gpio/consumer.h> #include "../../pci.h" #include "pcie-designware.h" diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c index 77052a0712d0..387a20f3c240 100644 --- a/drivers/pci/controller/pcie-mobiveil.c +++ b/drivers/pci/controller/pcie-mobiveil.c @@ -501,6 +501,12 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) return err; } + /* setup bus numbers */ + value = csr_readl(pcie, PCI_PRIMARY_BUS); + value &= 0xff000000; + value |= 0x00ff0100; + csr_writel(pcie, value, PCI_PRIMARY_BUS); + /* * program Bus Master Enable Bit in Command Register in PAB Config * Space @@ -540,7 +546,7 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) resource_size(pcie->ob_io_res)); /* memory inbound translation window */ - program_ib_windows(pcie, WIN_NUM_1, 0, MEM_WINDOW_TYPE, IB_WIN_SIZE); + program_ib_windows(pcie, WIN_NUM_0, 0, MEM_WINDOW_TYPE, IB_WIN_SIZE); /* Get the I/O and memory ranges from DT */ resource_list_for_each_entry_safe(win, tmp, &pcie->resources) { @@ -552,11 +558,18 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) if (type) { /* configure outbound translation window */ program_ob_windows(pcie, pcie->ob_wins_configured, - win->res->start, 0, type, - resource_size(win->res)); + win->res->start, + win->res->start - win->offset, + type, resource_size(win->res)); } } + /* fixup for PCIe class register */ + value = csr_readl(pcie, PAB_INTP_AXI_PIO_CLASS); + value &= 0xff; + value |= (PCI_CLASS_BRIDGE_PCI << 16); + csr_writel(pcie, value, PAB_INTP_AXI_PIO_CLASS); + /* setup MSI hardware registers */ mobiveil_pcie_enable_msi(pcie); @@ -797,9 +810,6 @@ static int mobiveil_pcie_probe(struct platform_device *pdev) goto error; } - /* fixup for PCIe class register */ - csr_writel(pcie, 0x060402ab, PAB_INTP_AXI_PIO_CLASS); - /* initialize the IRQ domains */ ret = mobiveil_pcie_init_irq_domain(pcie); if (ret) { diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 3b031f00a94a..45c0f344ccd1 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -482,15 +482,13 @@ static int nwl_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, int i; mutex_lock(&msi->lock); - bit = bitmap_find_next_zero_area(msi->bitmap, INT_PCI_MSI_NR, 0, - nr_irqs, 0); - if (bit >= INT_PCI_MSI_NR) { + bit = bitmap_find_free_region(msi->bitmap, INT_PCI_MSI_NR, + get_count_order(nr_irqs)); + if (bit < 0) { mutex_unlock(&msi->lock); return -ENOSPC; } - bitmap_set(msi->bitmap, bit, nr_irqs); - for (i = 0; i < nr_irqs; i++) { irq_domain_set_info(domain, virq + i, bit + i, &nwl_irq_chip, domain->host_data, handle_simple_irq, @@ -508,7 +506,8 @@ static void nwl_irq_domain_free(struct irq_domain *domain, unsigned int virq, struct nwl_msi *msi = &pcie->msi; mutex_lock(&msi->lock); - bitmap_clear(msi->bitmap, data->hwirq, nr_irqs); + bitmap_release_region(msi->bitmap, data->hwirq, + get_count_order(nr_irqs)); mutex_unlock(&msi->lock); } diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index 27806987e93b..7d41e6684b87 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -434,10 +434,16 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf) int bar; enum pci_barno test_reg_bar = epf_test->test_reg_bar; const struct pci_epc_features *epc_features; + size_t test_reg_size; epc_features = epf_test->epc_features; - base = pci_epf_alloc_space(epf, sizeof(struct pci_epf_test_reg), + if (epc_features->bar_fixed_size[test_reg_bar]) + test_reg_size = bar_size[test_reg_bar]; + else + test_reg_size = sizeof(struct pci_epf_test_reg); + + base = pci_epf_alloc_space(epf, test_reg_size, test_reg_bar, epc_features->align); if (!base) { dev_err(dev, "Failed to allocated register space\n"); diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 73d5adec0a28..bc7b27a28795 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -22,12 +22,15 @@ void pci_set_of_node(struct pci_dev *dev) return; dev->dev.of_node = of_pci_find_child_device(dev->bus->dev.of_node, dev->devfn); + if (dev->dev.of_node) + dev->dev.fwnode = &dev->dev.of_node->fwnode; } void pci_release_of_node(struct pci_dev *dev) { of_node_put(dev->dev.of_node); dev->dev.of_node = NULL; + dev->dev.fwnode = NULL; } void pci_set_bus_of_node(struct pci_bus *bus) @@ -41,13 +44,18 @@ void pci_set_bus_of_node(struct pci_bus *bus) if (node && of_property_read_bool(node, "external-facing")) bus->self->untrusted = true; } + bus->dev.of_node = node; + + if (bus->dev.of_node) + bus->dev.fwnode = &bus->dev.of_node->fwnode; } void pci_release_bus_of_node(struct pci_bus *bus) { of_node_put(bus->dev.of_node); bus->dev.of_node = NULL; + bus->dev.fwnode = NULL; } struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index ca3793002e2f..74c3df250d9c 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -414,6 +414,9 @@ static int pci_device_probe(struct device *dev) struct pci_dev *pci_dev = to_pci_dev(dev); struct pci_driver *drv = to_pci_driver(dev->driver); + if (!pci_device_can_probe(pci_dev)) + return -ENODEV; + pci_assign_irq(pci_dev); error = pcibios_alloc_irq(pci_dev); @@ -421,12 +424,10 @@ static int pci_device_probe(struct device *dev) return error; pci_dev_get(pci_dev); - if (pci_device_can_probe(pci_dev)) { - error = __pci_device_probe(drv, pci_dev); - if (error) { - pcibios_free_irq(pci_dev); - pci_dev_put(pci_dev); - } + error = __pci_device_probe(drv, pci_dev); + if (error) { + pcibios_free_irq(pci_dev); + pci_dev_put(pci_dev); } return error; diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 6d27475e39b2..4e83c347de5d 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -477,7 +477,7 @@ static ssize_t remove_store(struct device *dev, struct device_attribute *attr, pci_stop_and_remove_bus_device_locked(to_pci_dev(dev)); return count; } -static struct device_attribute dev_remove_attr = __ATTR(remove, +static struct device_attribute dev_remove_attr = __ATTR_IGNORE_LOCKDEP(remove, (S_IWUSR|S_IWGRP), NULL, remove_store); diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 2d06b8095a19..df352b334ea7 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -723,8 +723,8 @@ static int cpu_pm_pmu_notify(struct notifier_block *b, unsigned long cmd, cpu_pm_pmu_setup(armpmu, cmd); break; case CPU_PM_EXIT: - cpu_pm_pmu_setup(armpmu, cmd); case CPU_PM_ENTER_FAILED: + cpu_pm_pmu_setup(armpmu, cmd); armpmu->start(armpmu); break; default: diff --git a/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c b/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c index 6233a7979a93..ac322d643c7a 100644 --- a/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c +++ b/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c @@ -188,7 +188,7 @@ static const struct regmap_config phy_g12a_usb3_pcie_cr_regmap_conf = { .reg_read = phy_g12a_usb3_pcie_cr_bus_read, .reg_write = phy_g12a_usb3_pcie_cr_bus_write, .max_register = 0xffff, - .fast_io = true, + .disable_locking = true, }; static int phy_g12a_usb3_init(struct phy *phy) diff --git a/drivers/phy/renesas/phy-rcar-gen2.c b/drivers/phy/renesas/phy-rcar-gen2.c index 8dc5710d9c98..2926e4937301 100644 --- a/drivers/phy/renesas/phy-rcar-gen2.c +++ b/drivers/phy/renesas/phy-rcar-gen2.c @@ -391,6 +391,7 @@ static int rcar_gen2_phy_probe(struct platform_device *pdev) error = of_property_read_u32(np, "reg", &channel_num); if (error || channel_num > 2) { dev_err(dev, "Invalid \"reg\" property\n"); + of_node_put(np); return error; } channel->select_mask = select_mask[channel_num]; @@ -406,6 +407,7 @@ static int rcar_gen2_phy_probe(struct platform_device *pdev) data->gen2_phy_ops); if (IS_ERR(phy->phy)) { dev_err(dev, "Failed to create PHY\n"); + of_node_put(np); return PTR_ERR(phy->phy); } phy_set_drvdata(phy->phy, phy); diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index 1322185a00a2..8ffba67568ec 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -13,6 +13,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_device.h> @@ -106,6 +107,7 @@ struct rcar_gen3_chan { struct rcar_gen3_phy rphys[NUM_OF_PHYS]; struct regulator *vbus; struct work_struct work; + struct mutex lock; /* protects rphys[...].powered */ enum usb_dr_mode dr_mode; bool extcon_host; bool is_otg_channel; @@ -437,15 +439,16 @@ static int rcar_gen3_phy_usb2_power_on(struct phy *p) struct rcar_gen3_chan *channel = rphy->ch; void __iomem *usb2_base = channel->base; u32 val; - int ret; + int ret = 0; + mutex_lock(&channel->lock); if (!rcar_gen3_are_all_rphys_power_off(channel)) - return 0; + goto out; if (channel->vbus) { ret = regulator_enable(channel->vbus); if (ret) - return ret; + goto out; } val = readl(usb2_base + USB2_USBCTR); @@ -454,7 +457,10 @@ static int rcar_gen3_phy_usb2_power_on(struct phy *p) val &= ~USB2_USBCTR_PLL_RST; writel(val, usb2_base + USB2_USBCTR); +out: + /* The powered flag should be set for any other phys anyway */ rphy->powered = true; + mutex_unlock(&channel->lock); return 0; } @@ -465,14 +471,18 @@ static int rcar_gen3_phy_usb2_power_off(struct phy *p) struct rcar_gen3_chan *channel = rphy->ch; int ret = 0; + mutex_lock(&channel->lock); rphy->powered = false; if (!rcar_gen3_are_all_rphys_power_off(channel)) - return 0; + goto out; if (channel->vbus) ret = regulator_disable(channel->vbus); +out: + mutex_unlock(&channel->lock); + return ret; } @@ -639,6 +649,7 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) if (!phy_usb2_ops) return -EINVAL; + mutex_init(&channel->lock); for (i = 0; i < NUM_OF_PHYS; i++) { channel->rphys[i].phy = devm_phy_create(dev, NULL, phy_usb2_ops); diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 807a3263d849..62a622159006 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -3204,6 +3204,7 @@ static int rockchip_get_bank_data(struct rockchip_pin_bank *bank, base, &rockchip_regmap_config); } + of_node_put(node); } bank->irq = irq_of_parse_and_map(bank->of_node, 0); diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 5d5cc6111081..7c2fd1d72e18 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -1317,7 +1317,7 @@ config HUAWEI_WMI config PCENGINES_APU2 tristate "PC Engines APUv2/3 front button and LEDs driver" - depends on INPUT && INPUT_KEYBOARD + depends on INPUT && INPUT_KEYBOARD && GPIOLIB depends on LEDS_CLASS select GPIO_AMD_FCH select KEYBOARD_GPIO_POLLED diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 9b18a184e0aa..abfa99d18fea 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -85,6 +85,7 @@ static bool ashs_present(void) struct bios_args { u32 arg0; u32 arg1; + u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */ } __packed; /* @@ -211,11 +212,13 @@ static void asus_wmi_input_exit(struct asus_wmi *asus) asus->inputdev = NULL; } -int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval) +static int asus_wmi_evaluate_method3(u32 method_id, + u32 arg0, u32 arg1, u32 arg2, u32 *retval) { struct bios_args args = { .arg0 = arg0, .arg1 = arg1, + .arg2 = arg2, }; struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -247,6 +250,11 @@ exit: return 0; } + +int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval) +{ + return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval); +} EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method); static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args) diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c index 3a546ec10d90..22a65ad4e46e 100644 --- a/drivers/pps/pps.c +++ b/drivers/pps/pps.c @@ -152,6 +152,14 @@ static long pps_cdev_ioctl(struct file *file, pps->params.mode |= PPS_CANWAIT; pps->params.api_version = PPS_API_VERS; + /* + * Clear unused fields of pps_kparams to avoid leaking + * uninitialized data of the PPS_SETPARAMS caller via + * PPS_GETPARAMS + */ + pps->params.assert_off_tu.flags = 0; + pps->params.clear_off_tu.flags = 0; + spin_unlock_irq(&pps->lock); break; diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index ce7a90e68042..8155f59ece38 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -1686,6 +1686,7 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv, if (copy_from_user(&dev_info, arg, sizeof(dev_info))) return -EFAULT; + dev_info.name[sizeof(dev_info.name) - 1] = '\0'; rmcd_debug(RDEV, "name:%s ct:0x%x did:0x%x hc:0x%x", dev_info.name, dev_info.comptag, dev_info.destid, dev_info.hopcount); @@ -1817,6 +1818,7 @@ static int rio_mport_del_riodev(struct mport_cdev_priv *priv, void __user *arg) if (copy_from_user(&dev_info, arg, sizeof(dev_info))) return -EFAULT; + dev_info.name[sizeof(dev_info.name) - 1] = '\0'; mport = priv->md->mport; diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800-regulator.c index 69ae25886181..69ae25886181 100644 --- a/drivers/regulator/88pm800.c +++ b/drivers/regulator/88pm800-regulator.c diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 93f53840e8f1..486edf784c13 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -11,7 +11,7 @@ obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o obj-$(CONFIG_REGULATOR_88PG86X) += 88pg86x.o -obj-$(CONFIG_REGULATOR_88PM800) += 88pm800.o +obj-$(CONFIG_REGULATOR_88PM800) += 88pm800-regulator.o obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o obj-$(CONFIG_REGULATOR_CPCAP) += cpcap-regulator.o obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 8b5363223eaa..5031c6806908 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -512,6 +512,7 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc, /* Initialise vdev subdevice */ snprintf(name, sizeof(name), "vdev%dbuffer", rvdev->index); rvdev->dev.parent = rproc->dev.parent; + rvdev->dev.dma_pfn_offset = rproc->dev.parent->dma_pfn_offset; rvdev->dev.release = rproc_rvdev_release; dev_set_name(&rvdev->dev, "%s#%s", dev_name(rvdev->dev.parent), name); dev_set_drvdata(&rvdev->dev, rvdev); diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index b9ce93e9df89..99f86612f775 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -383,6 +383,20 @@ suborder_not_supported(struct dasd_ccw_req *cqr) char msg_format; char msg_no; + /* + * intrc values ENODEV, ENOLINK and EPERM + * will be optained from sleep_on to indicate that no + * IO operation can be started + */ + if (cqr->intrc == -ENODEV) + return 1; + + if (cqr->intrc == -ENOLINK) + return 1; + + if (cqr->intrc == -EPERM) + return 1; + sense = dasd_get_sense(&cqr->irb); if (!sense) return 0; @@ -447,12 +461,8 @@ static int read_unit_address_configuration(struct dasd_device *device, lcu->flags &= ~NEED_UAC_UPDATE; spin_unlock_irqrestore(&lcu->lock, flags); - do { - rc = dasd_sleep_on(cqr); - if (rc && suborder_not_supported(cqr)) - return -EOPNOTSUPP; - } while (rc && (cqr->retries > 0)); - if (rc) { + rc = dasd_sleep_on(cqr); + if (rc && !suborder_not_supported(cqr)) { spin_lock_irqsave(&lcu->lock, flags); lcu->flags |= NEED_UAC_UPDATE; spin_unlock_irqrestore(&lcu->lock, flags); diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index e8fc28dba8df..96f0d34e9459 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -11,6 +11,7 @@ #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/kthread.h> +#include <linux/bug.h> #include "zfcp_ext.h" #include "zfcp_reqlist.h" @@ -217,6 +218,12 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(enum zfcp_erp_act_type need, struct zfcp_erp_action *erp_action; struct zfcp_scsi_dev *zfcp_sdev; + if (WARN_ON_ONCE(need != ZFCP_ERP_ACTION_REOPEN_LUN && + need != ZFCP_ERP_ACTION_REOPEN_PORT && + need != ZFCP_ERP_ACTION_REOPEN_PORT_FORCED && + need != ZFCP_ERP_ACTION_REOPEN_ADAPTER)) + return NULL; + switch (need) { case ZFCP_ERP_ACTION_REOPEN_LUN: zfcp_sdev = sdev_to_zfcp(sdev); diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 8aacbd1e7db2..f2d61d023bcb 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2683,6 +2683,8 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) { u64 required_mask, coherent_mask; struct sysinfo s; + /* Set 63 bit DMA mask for all SAS3 and SAS35 controllers */ + int dma_mask = (ioc->hba_mpi_version_belonged > MPI2_VERSION) ? 63 : 64; if (ioc->is_mcpu_endpoint) goto try_32bit; @@ -2692,17 +2694,17 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) goto try_32bit; if (ioc->dma_mask) - coherent_mask = DMA_BIT_MASK(64); + coherent_mask = DMA_BIT_MASK(dma_mask); else coherent_mask = DMA_BIT_MASK(32); - if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) || + if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(dma_mask)) || dma_set_coherent_mask(&pdev->dev, coherent_mask)) goto try_32bit; ioc->base_add_sg_single = &_base_add_sg_single_64; ioc->sge_size = sizeof(Mpi2SGESimple64_t); - ioc->dma_mask = 64; + ioc->dma_mask = dma_mask; goto out; try_32bit: @@ -2724,7 +2726,7 @@ static int _base_change_consistent_dma_mask(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) { - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { + if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(ioc->dma_mask))) { if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) return -ENODEV; } @@ -4631,7 +4633,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) total_sz += sz; } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); - if (ioc->dma_mask == 64) { + if (ioc->dma_mask > 32) { if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) { ioc_warn(ioc, "no suitable consistent DMA mask for %s\n", pci_name(ioc->pdev)); diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index f9d1df0509c6..e73bf0193a8f 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -9,6 +9,8 @@ */ #include <linux/blkdev.h> +#include <linux/vmalloc.h> +#include <linux/sched/mm.h> #include <asm/unaligned.h> @@ -50,7 +52,7 @@ static void sd_zbc_parse_report(struct scsi_disk *sdkp, u8 *buf, /** * sd_zbc_do_report_zones - Issue a REPORT ZONES scsi command. * @sdkp: The target disk - * @buf: Buffer to use for the reply + * @buf: vmalloc-ed buffer to use for the reply * @buflen: the buffer size * @lba: Start LBA of the report * @partial: Do partial report @@ -79,7 +81,6 @@ static int sd_zbc_do_report_zones(struct scsi_disk *sdkp, unsigned char *buf, put_unaligned_be32(buflen, &cmd[10]); if (partial) cmd[14] = ZBC_REPORT_ZONE_PARTIAL; - memset(buf, 0, buflen); result = scsi_execute_req(sdp, cmd, DMA_FROM_DEVICE, buf, buflen, &sshdr, @@ -103,6 +104,53 @@ static int sd_zbc_do_report_zones(struct scsi_disk *sdkp, unsigned char *buf, return 0; } +/* + * Maximum number of zones to get with one report zones command. + */ +#define SD_ZBC_REPORT_MAX_ZONES 8192U + +/** + * Allocate a buffer for report zones reply. + * @sdkp: The target disk + * @nr_zones: Maximum number of zones to report + * @buflen: Size of the buffer allocated + * + * Try to allocate a reply buffer for the number of requested zones. + * The size of the buffer allocated may be smaller than requested to + * satify the device constraint (max_hw_sectors, max_segments, etc). + * + * Return the address of the allocated buffer and update @buflen with + * the size of the allocated buffer. + */ +static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp, + unsigned int nr_zones, size_t *buflen) +{ + struct request_queue *q = sdkp->disk->queue; + size_t bufsize; + void *buf; + + /* + * Report zone buffer size should be at most 64B times the number of + * zones requested plus the 64B reply header, but should be at least + * SECTOR_SIZE for ATA devices. + * Make sure that this size does not exceed the hardware capabilities. + * Furthermore, since the report zone command cannot be split, make + * sure that the allocated buffer can always be mapped by limiting the + * number of pages allocated to the HBA max segments limit. + */ + nr_zones = min(nr_zones, SD_ZBC_REPORT_MAX_ZONES); + bufsize = roundup((nr_zones + 1) * 64, 512); + bufsize = min_t(size_t, bufsize, + queue_max_hw_sectors(q) << SECTOR_SHIFT); + bufsize = min_t(size_t, bufsize, queue_max_segments(q) << PAGE_SHIFT); + + buf = vzalloc(bufsize); + if (buf) + *buflen = bufsize; + + return buf; +} + /** * sd_zbc_report_zones - Disk report zones operation. * @disk: The target disk @@ -118,30 +166,23 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector, gfp_t gfp_mask) { struct scsi_disk *sdkp = scsi_disk(disk); - unsigned int i, buflen, nrz = *nr_zones; + unsigned int i, nrz = *nr_zones; unsigned char *buf; - size_t offset = 0; + size_t buflen = 0, offset = 0; int ret = 0; if (!sd_is_zoned(sdkp)) /* Not a zoned device */ return -EOPNOTSUPP; - /* - * Get a reply buffer for the number of requested zones plus a header, - * without exceeding the device maximum command size. For ATA disks, - * buffers must be aligned to 512B. - */ - buflen = min(queue_max_hw_sectors(disk->queue) << 9, - roundup((nrz + 1) * 64, 512)); - buf = kmalloc(buflen, gfp_mask); + buf = sd_zbc_alloc_report_buffer(sdkp, nrz, &buflen); if (!buf) return -ENOMEM; ret = sd_zbc_do_report_zones(sdkp, buf, buflen, sectors_to_logical(sdkp->device, sector), true); if (ret) - goto out_free_buf; + goto out; nrz = min(nrz, get_unaligned_be32(&buf[0]) / 64); for (i = 0; i < nrz; i++) { @@ -152,8 +193,8 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector, *nr_zones = nrz; -out_free_buf: - kfree(buf); +out: + kvfree(buf); return ret; } @@ -287,8 +328,6 @@ static int sd_zbc_check_zoned_characteristics(struct scsi_disk *sdkp, return 0; } -#define SD_ZBC_BUF_SIZE 131072U - /** * sd_zbc_check_zones - Check the device capacity and zone sizes * @sdkp: Target disk @@ -304,22 +343,28 @@ static int sd_zbc_check_zoned_characteristics(struct scsi_disk *sdkp, */ static int sd_zbc_check_zones(struct scsi_disk *sdkp, u32 *zblocks) { + size_t bufsize, buflen; + unsigned int noio_flag; u64 zone_blocks = 0; sector_t max_lba, block = 0; unsigned char *buf; unsigned char *rec; - unsigned int buf_len; - unsigned int list_length; int ret; u8 same; + /* Do all memory allocations as if GFP_NOIO was specified */ + noio_flag = memalloc_noio_save(); + /* Get a buffer */ - buf = kmalloc(SD_ZBC_BUF_SIZE, GFP_KERNEL); - if (!buf) - return -ENOMEM; + buf = sd_zbc_alloc_report_buffer(sdkp, SD_ZBC_REPORT_MAX_ZONES, + &bufsize); + if (!buf) { + ret = -ENOMEM; + goto out; + } /* Do a report zone to get max_lba and the same field */ - ret = sd_zbc_do_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, 0, false); + ret = sd_zbc_do_report_zones(sdkp, buf, bufsize, 0, false); if (ret) goto out_free; @@ -355,12 +400,12 @@ static int sd_zbc_check_zones(struct scsi_disk *sdkp, u32 *zblocks) do { /* Parse REPORT ZONES header */ - list_length = get_unaligned_be32(&buf[0]) + 64; + buflen = min_t(size_t, get_unaligned_be32(&buf[0]) + 64, + bufsize); rec = buf + 64; - buf_len = min(list_length, SD_ZBC_BUF_SIZE); /* Parse zone descriptors */ - while (rec < buf + buf_len) { + while (rec < buf + buflen) { u64 this_zone_blocks = get_unaligned_be64(&rec[8]); if (zone_blocks == 0) { @@ -376,8 +421,8 @@ static int sd_zbc_check_zones(struct scsi_disk *sdkp, u32 *zblocks) } if (block < sdkp->capacity) { - ret = sd_zbc_do_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, - block, true); + ret = sd_zbc_do_report_zones(sdkp, buf, bufsize, block, + true); if (ret) goto out_free; } @@ -408,7 +453,8 @@ out: } out_free: - kfree(buf); + memalloc_noio_restore(noio_flag); + kvfree(buf); return ret; } diff --git a/drivers/soc/imx/soc-imx8.c b/drivers/soc/imx/soc-imx8.c index fc6429f9170a..79a3d922a4a9 100644 --- a/drivers/soc/imx/soc-imx8.c +++ b/drivers/soc/imx/soc-imx8.c @@ -73,7 +73,7 @@ static int __init imx8_soc_init(void) soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) - return -ENODEV; + return -ENOMEM; soc_dev_attr->family = "Freescale i.MX"; @@ -83,8 +83,10 @@ static int __init imx8_soc_init(void) goto free_soc; id = of_match_node(imx8_soc_match, root); - if (!id) + if (!id) { + ret = -ENODEV; goto free_soc; + } of_node_put(root); @@ -96,20 +98,25 @@ static int __init imx8_soc_init(void) } soc_dev_attr->revision = imx8_revision(soc_rev); - if (!soc_dev_attr->revision) + if (!soc_dev_attr->revision) { + ret = -ENOMEM; goto free_soc; + } soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) + if (IS_ERR(soc_dev)) { + ret = PTR_ERR(soc_dev); goto free_rev; + } return 0; free_rev: - kfree(soc_dev_attr->revision); + if (strcmp(soc_dev_attr->revision, "unknown")) + kfree(soc_dev_attr->revision); free_soc: kfree(soc_dev_attr); of_node_put(root); - return -ENODEV; + return ret; } device_initcall(imx8_soc_init); diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c index 005326050c23..235d01870dd8 100644 --- a/drivers/soc/qcom/rpmpd.c +++ b/drivers/soc/qcom/rpmpd.c @@ -226,7 +226,7 @@ static int rpmpd_set_performance(struct generic_pm_domain *domain, struct rpmpd *pd = domain_to_rpmpd(domain); if (state > MAX_RPMPD_STATE) - goto out; + state = MAX_RPMPD_STATE; mutex_lock(&rpmpd_lock); diff --git a/drivers/staging/kpc2000/TODO b/drivers/staging/kpc2000/TODO index 8c7af29fefae..ed951acc829a 100644 --- a/drivers/staging/kpc2000/TODO +++ b/drivers/staging/kpc2000/TODO @@ -1,7 +1,6 @@ - the kpc_spi driver doesn't seem to let multiple transactions (to different instances of the core) happen in parallel... - The kpc_i2c driver is a hot mess, it should probably be cleaned up a ton. It functions against current hardware though. - pcard->card_num in kp2000_pcie_probe() is a global variable and needs atomic / locking / something better. -- probe_core_uio() probably needs error handling - the loop in kp2000_probe_cores() that uses probe_core_uio() also probably needs error handling - would be nice if the AIO fileops in kpc_dma could be made to work - probably want to add a CONFIG_ option to control compilation of the AIO functions diff --git a/drivers/staging/kpc2000/kpc2000/cell_probe.c b/drivers/staging/kpc2000/kpc2000/cell_probe.c index e0dba91e7fa8..d6b57f550876 100644 --- a/drivers/staging/kpc2000/kpc2000/cell_probe.c +++ b/drivers/staging/kpc2000/kpc2000/cell_probe.c @@ -295,6 +295,7 @@ int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, char *na kudev->dev = device_create(kpc_uio_class, &pcard->pdev->dev, MKDEV(0,0), kudev, "%s.%d.%d.%d", kudev->uioinfo.name, pcard->card_num, cte.type, kudev->core_num); if (IS_ERR(kudev->dev)) { dev_err(&pcard->pdev->dev, "probe_core_uio device_create failed!\n"); + kfree(kudev); return -ENODEV; } dev_set_drvdata(kudev->dev, kudev); @@ -302,6 +303,8 @@ int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, char *na rv = uio_register_device(kudev->dev, &kudev->uioinfo); if (rv){ dev_err(&pcard->pdev->dev, "probe_core_uio failed uio_register_device: %d\n", rv); + put_device(kudev->dev); + kfree(kudev); return rv; } diff --git a/drivers/staging/kpc2000/kpc_spi/spi_driver.c b/drivers/staging/kpc2000/kpc_spi/spi_driver.c index 86df16547a92..2f535022dc03 100644 --- a/drivers/staging/kpc2000/kpc_spi/spi_driver.c +++ b/drivers/staging/kpc2000/kpc_spi/spi_driver.c @@ -333,7 +333,7 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m) list_for_each_entry(transfer, &m->transfers, transfer_list) { if (transfer->tx_buf == NULL && transfer->rx_buf == NULL && transfer->len) { status = -EINVAL; - break; + goto error; } /* transfer */ @@ -371,7 +371,7 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m) if (count != transfer->len) { status = -EIO; - break; + goto error; } } @@ -389,6 +389,10 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m) /* done work */ spi_finalize_current_message(master); return 0; + + error: + m->status = status; + return status; } static void diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index ccafcc2c87ac..70433f756d8e 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -402,16 +402,19 @@ static void vnt_free_int_bufs(struct vnt_private *priv) kfree(priv->int_buf.data_buf); } -static bool vnt_alloc_bufs(struct vnt_private *priv) +static int vnt_alloc_bufs(struct vnt_private *priv) { + int ret = 0; struct vnt_usb_send_context *tx_context; struct vnt_rcb *rcb; int ii; for (ii = 0; ii < priv->num_tx_context; ii++) { tx_context = kmalloc(sizeof(*tx_context), GFP_KERNEL); - if (!tx_context) + if (!tx_context) { + ret = -ENOMEM; goto free_tx; + } priv->tx_context[ii] = tx_context; tx_context->priv = priv; @@ -419,16 +422,20 @@ static bool vnt_alloc_bufs(struct vnt_private *priv) /* allocate URBs */ tx_context->urb = usb_alloc_urb(0, GFP_KERNEL); - if (!tx_context->urb) + if (!tx_context->urb) { + ret = -ENOMEM; goto free_tx; + } tx_context->in_use = false; } for (ii = 0; ii < priv->num_rcb; ii++) { priv->rcb[ii] = kzalloc(sizeof(*priv->rcb[ii]), GFP_KERNEL); - if (!priv->rcb[ii]) + if (!priv->rcb[ii]) { + ret = -ENOMEM; goto free_rx_tx; + } rcb = priv->rcb[ii]; @@ -436,39 +443,46 @@ static bool vnt_alloc_bufs(struct vnt_private *priv) /* allocate URBs */ rcb->urb = usb_alloc_urb(0, GFP_KERNEL); - if (!rcb->urb) + if (!rcb->urb) { + ret = -ENOMEM; goto free_rx_tx; + } rcb->skb = dev_alloc_skb(priv->rx_buf_sz); - if (!rcb->skb) + if (!rcb->skb) { + ret = -ENOMEM; goto free_rx_tx; + } rcb->in_use = false; /* submit rx urb */ - if (vnt_submit_rx_urb(priv, rcb)) + ret = vnt_submit_rx_urb(priv, rcb); + if (ret) goto free_rx_tx; } priv->interrupt_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!priv->interrupt_urb) + if (!priv->interrupt_urb) { + ret = -ENOMEM; goto free_rx_tx; + } priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); if (!priv->int_buf.data_buf) { - usb_free_urb(priv->interrupt_urb); - goto free_rx_tx; + ret = -ENOMEM; + goto free_rx_tx_urb; } - return true; + return 0; +free_rx_tx_urb: + usb_free_urb(priv->interrupt_urb); free_rx_tx: vnt_free_rx_bufs(priv); - free_tx: vnt_free_tx_bufs(priv); - - return false; + return ret; } static void vnt_tx_80211(struct ieee80211_hw *hw, diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 682300713be4..eb2e2d141c01 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1874,7 +1874,8 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) status = serial8250_rx_chars(up, status); } serial8250_modem_status(up); - if ((!up->dma || up->dma->tx_err) && (status & UART_LSR_THRE)) + if ((!up->dma || up->dma->tx_err) && (status & UART_LSR_THRE) && + (up->ier & UART_IER_THRI)) serial8250_tx_chars(up); uart_unlock_and_check_sysrq(port, flags); diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c index b929c7ae3a27..7bab9a3eda92 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c @@ -407,7 +407,16 @@ static int cpm_uart_startup(struct uart_port *port) clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX); } cpm_uart_initbd(pinfo); - cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX); + if (IS_SMC(pinfo)) { + out_be32(&pinfo->smcup->smc_rstate, 0); + out_be32(&pinfo->smcup->smc_tstate, 0); + out_be16(&pinfo->smcup->smc_rbptr, + in_be16(&pinfo->smcup->smc_rbase)); + out_be16(&pinfo->smcup->smc_tbptr, + in_be16(&pinfo->smcup->smc_tbase)); + } else { + cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX); + } } /* Install interrupt handler. */ retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port); @@ -861,16 +870,14 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo) (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE); /* - * In case SMC1 is being relocated... + * In case SMC is being relocated... */ -#if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH) out_be16(&up->smc_rbptr, in_be16(&pinfo->smcup->smc_rbase)); out_be16(&up->smc_tbptr, in_be16(&pinfo->smcup->smc_tbase)); out_be32(&up->smc_rstate, 0); out_be32(&up->smc_tstate, 0); out_be16(&up->smc_brkcr, 1); /* number of break chars */ out_be16(&up->smc_brkec, 0); -#endif /* Set up the uart parameters in the * parameter ram. @@ -884,8 +891,6 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo) out_be16(&up->smc_brkec, 0); out_be16(&up->smc_brkcr, 1); - cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX); - /* Set UART mode, 8 bit, no parity, one stop. * Enable receive and transmit. */ diff --git a/drivers/tty/serial/digicolor-usart.c b/drivers/tty/serial/digicolor-usart.c index f460cca139e2..13ac36e2da4f 100644 --- a/drivers/tty/serial/digicolor-usart.c +++ b/drivers/tty/serial/digicolor-usart.c @@ -541,7 +541,11 @@ static int __init digicolor_uart_init(void) if (ret) return ret; - return platform_driver_register(&digicolor_uart_platform); + ret = platform_driver_register(&digicolor_uart_platform); + if (ret) + uart_unregister_driver(&digicolor_uart); + + return ret; } module_init(digicolor_uart_init); diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 633bbe4a2402..5d81e3dbe287 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -383,6 +383,7 @@ static void imx_uart_ucrs_restore(struct imx_port *sport, } #endif +/* called with port.lock taken and irqs caller dependent */ static void imx_uart_rts_active(struct imx_port *sport, u32 *ucr2) { *ucr2 &= ~(UCR2_CTSC | UCR2_CTS); @@ -391,6 +392,7 @@ static void imx_uart_rts_active(struct imx_port *sport, u32 *ucr2) mctrl_gpio_set(sport->gpios, sport->port.mctrl); } +/* called with port.lock taken and irqs caller dependent */ static void imx_uart_rts_inactive(struct imx_port *sport, u32 *ucr2) { *ucr2 &= ~UCR2_CTSC; @@ -400,6 +402,7 @@ static void imx_uart_rts_inactive(struct imx_port *sport, u32 *ucr2) mctrl_gpio_set(sport->gpios, sport->port.mctrl); } +/* called with port.lock taken and irqs caller dependent */ static void imx_uart_rts_auto(struct imx_port *sport, u32 *ucr2) { *ucr2 |= UCR2_CTSC; @@ -1549,6 +1552,16 @@ imx_uart_set_termios(struct uart_port *port, struct ktermios *termios, old_csize = CS8; } + del_timer_sync(&sport->timer); + + /* + * Ask the core to calculate the divisor for us. + */ + baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16); + quot = uart_get_divisor(port, baud); + + spin_lock_irqsave(&sport->port.lock, flags); + if ((termios->c_cflag & CSIZE) == CS8) ucr2 = UCR2_WS | UCR2_SRST | UCR2_IRTS; else @@ -1592,16 +1605,6 @@ imx_uart_set_termios(struct uart_port *port, struct ktermios *termios, ucr2 |= UCR2_PROE; } - del_timer_sync(&sport->timer); - - /* - * Ask the core to calculate the divisor for us. - */ - baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16); - quot = uart_get_divisor(port, baud); - - spin_lock_irqsave(&sport->port.lock, flags); - sport->port.read_status_mask = 0; if (termios->c_iflag & INPCK) sport->port.read_status_mask |= (URXD_FRMERR | URXD_PRERR); diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index e5aebbf5f302..c3afd128b8fc 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -496,37 +496,48 @@ static bool max310x_reg_precious(struct device *dev, unsigned int reg) static int max310x_set_baud(struct uart_port *port, int baud) { - unsigned int mode = 0, clk = port->uartclk, div = clk / baud; + unsigned int mode = 0, div = 0, frac = 0, c = 0, F = 0; - /* Check for minimal value for divider */ - if (div < 16) - div = 16; - - if (clk % baud && (div / 16) < 0x8000) { + /* + * Calculate the integer divisor first. Select a proper mode + * in case if the requested baud is too high for the pre-defined + * clocks frequency. + */ + div = port->uartclk / baud; + if (div < 8) { + /* Mode x4 */ + c = 4; + mode = MAX310X_BRGCFG_4XMODE_BIT; + } else if (div < 16) { /* Mode x2 */ + c = 8; mode = MAX310X_BRGCFG_2XMODE_BIT; - clk = port->uartclk * 2; - div = clk / baud; - - if (clk % baud && (div / 16) < 0x8000) { - /* Mode x4 */ - mode = MAX310X_BRGCFG_4XMODE_BIT; - clk = port->uartclk * 4; - div = clk / baud; - } + } else { + c = 16; } - max310x_port_write(port, MAX310X_BRGDIVMSB_REG, (div / 16) >> 8); - max310x_port_write(port, MAX310X_BRGDIVLSB_REG, div / 16); - max310x_port_write(port, MAX310X_BRGCFG_REG, (div % 16) | mode); + /* Calculate the divisor in accordance with the fraction coefficient */ + div /= c; + F = c*baud; + + /* Calculate the baud rate fraction */ + if (div > 0) + frac = (16*(port->uartclk % F)) / F; + else + div = 1; + + max310x_port_write(port, MAX310X_BRGDIVMSB_REG, div >> 8); + max310x_port_write(port, MAX310X_BRGDIVLSB_REG, div); + max310x_port_write(port, MAX310X_BRGCFG_REG, frac | mode); - return DIV_ROUND_CLOSEST(clk, div); + /* Return the actual baud rate we just programmed */ + return (16*port->uartclk) / (c*(16*div + frac)); } static int max310x_update_best_err(unsigned long f, long *besterr) { /* Use baudrate 115200 for calculate error */ - long err = f % (115200 * 16); + long err = f % (460800 * 16); if ((*besterr < 0) || (*besterr > err)) { *besterr = err; diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 23833ad952ba..3657a24913fc 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -383,10 +383,14 @@ no_rx: static inline void msm_wait_for_xmitr(struct uart_port *port) { + unsigned int timeout = 500000; + while (!(msm_read(port, UART_SR) & UART_SR_TX_EMPTY)) { if (msm_read(port, UART_ISR) & UART_ISR_TX_READY) break; udelay(1); + if (!timeout--) + break; } msm_write(port, UART_CR_CMD_RESET_TX_READY, UART_CR); } diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 83f4dd0bfd74..4223cb496764 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1777,6 +1777,7 @@ static int uart_port_activate(struct tty_port *port, struct tty_struct *tty) { struct uart_state *state = container_of(port, struct uart_state, port); struct uart_port *uport; + int ret; uport = uart_port_check(state); if (!uport || uport->flags & UPF_DEAD) @@ -1787,7 +1788,11 @@ static int uart_port_activate(struct tty_port *port, struct tty_struct *tty) /* * Start up the serial port. */ - return uart_startup(tty, state, 0); + ret = uart_startup(tty, state, 0); + if (ret > 0) + tty_port_set_active(port, 1); + + return ret; } static const char *uart_type(struct uart_port *port) diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c index 39ed56214cd3..2b400189be91 100644 --- a/drivers/tty/serial/serial_mctrl_gpio.c +++ b/drivers/tty/serial/serial_mctrl_gpio.c @@ -12,6 +12,7 @@ #include <linux/termios.h> #include <linux/serial_core.h> #include <linux/module.h> +#include <linux/property.h> #include "serial_mctrl_gpio.h" @@ -116,6 +117,19 @@ struct mctrl_gpios *mctrl_gpio_init_noauto(struct device *dev, unsigned int idx) for (i = 0; i < UART_GPIO_MAX; i++) { enum gpiod_flags flags; + char *gpio_str; + bool present; + + /* Check if GPIO property exists and continue if not */ + gpio_str = kasprintf(GFP_KERNEL, "%s-gpios", + mctrl_gpios_desc[i].name); + if (!gpio_str) + continue; + + present = device_property_present(dev, gpio_str); + kfree(gpio_str); + if (!present) + continue; if (mctrl_gpios_desc[i].dir_out) flags = GPIOD_OUT_LOW; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index abc705716aa0..d18c680aa64b 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1398,6 +1398,7 @@ static void sci_dma_tx_work_fn(struct work_struct *work) struct circ_buf *xmit = &port->state->xmit; unsigned long flags; dma_addr_t buf; + int head, tail; /* * DMA is idle now. @@ -1407,16 +1408,23 @@ static void sci_dma_tx_work_fn(struct work_struct *work) * consistent xmit buffer state. */ spin_lock_irq(&port->lock); - buf = s->tx_dma_addr + (xmit->tail & (UART_XMIT_SIZE - 1)); + head = xmit->head; + tail = xmit->tail; + buf = s->tx_dma_addr + (tail & (UART_XMIT_SIZE - 1)); s->tx_dma_len = min_t(unsigned int, - CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE), - CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE)); - spin_unlock_irq(&port->lock); + CIRC_CNT(head, tail, UART_XMIT_SIZE), + CIRC_CNT_TO_END(head, tail, UART_XMIT_SIZE)); + if (!s->tx_dma_len) { + /* Transmit buffer has been flushed */ + spin_unlock_irq(&port->lock); + return; + } desc = dmaengine_prep_slave_single(chan, buf, s->tx_dma_len, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc) { + spin_unlock_irq(&port->lock); dev_warn(port->dev, "Failed preparing Tx DMA descriptor\n"); goto switch_to_pio; } @@ -1424,18 +1432,18 @@ static void sci_dma_tx_work_fn(struct work_struct *work) dma_sync_single_for_device(chan->device->dev, buf, s->tx_dma_len, DMA_TO_DEVICE); - spin_lock_irq(&port->lock); desc->callback = sci_dma_tx_complete; desc->callback_param = s; - spin_unlock_irq(&port->lock); s->cookie_tx = dmaengine_submit(desc); if (dma_submit_error(s->cookie_tx)) { + spin_unlock_irq(&port->lock); dev_warn(port->dev, "Failed submitting Tx DMA descriptor\n"); goto switch_to_pio; } + spin_unlock_irq(&port->lock); dev_dbg(port->dev, "%s: %p: %d...%d, cookie %d\n", - __func__, xmit->buf, xmit->tail, xmit->head, s->cookie_tx); + __func__, xmit->buf, tail, head, s->cookie_tx); dma_async_issue_pending(chan); return; @@ -1648,11 +1656,18 @@ static void sci_free_dma(struct uart_port *port) static void sci_flush_buffer(struct uart_port *port) { + struct sci_port *s = to_sci_port(port); + /* * In uart_flush_buffer(), the xmit circular buffer has just been - * cleared, so we have to reset tx_dma_len accordingly. + * cleared, so we have to reset tx_dma_len accordingly, and stop any + * pending transfers */ - to_sci_port(port)->tx_dma_len = 0; + s->tx_dma_len = 0; + if (s->chan_tx) { + dmaengine_terminate_async(s->chan_tx); + s->cookie_tx = -EINVAL; + } } #else /* !CONFIG_SERIAL_SH_SCI_DMA */ static inline void sci_request_dma(struct uart_port *port) 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/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 605354fd60b1..9dcc4d855ddd 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -29,12 +29,12 @@ #define CDNS_UART_TTY_NAME "ttyPS" #define CDNS_UART_NAME "xuartps" -#define CDNS_UART_MAJOR 0 /* use dynamic node allocation */ #define CDNS_UART_FIFO_SIZE 64 /* FIFO size */ #define CDNS_UART_REGISTER_SPACE 0x1000 /* Rx Trigger level */ static int rx_trigger_level = 56; +static int uartps_major; module_param(rx_trigger_level, uint, S_IRUGO); MODULE_PARM_DESC(rx_trigger_level, "Rx trigger level, 1-63 bytes"); @@ -1517,7 +1517,7 @@ static int cdns_uart_probe(struct platform_device *pdev) cdns_uart_uart_driver->owner = THIS_MODULE; cdns_uart_uart_driver->driver_name = driver_name; cdns_uart_uart_driver->dev_name = CDNS_UART_TTY_NAME; - cdns_uart_uart_driver->major = CDNS_UART_MAJOR; + cdns_uart_uart_driver->major = uartps_major; cdns_uart_uart_driver->minor = cdns_uart_data->id; cdns_uart_uart_driver->nr = 1; @@ -1546,6 +1546,7 @@ static int cdns_uart_probe(struct platform_device *pdev) goto err_out_id; } + uartps_major = cdns_uart_uart_driver->tty_driver->major; cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver; /* diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 2c8e60c7dbd8..2844366dc173 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4002,6 +4002,9 @@ static int usb_set_lpm_timeout(struct usb_device *udev, * control transfers to set the hub timeout or enable device-initiated U1/U2 * will be successful. * + * If the control transfer to enable device-initiated U1/U2 entry fails, then + * hub-initiated U1/U2 will be disabled. + * * If we cannot set the parent hub U1/U2 timeout, we attempt to let the xHCI * driver know about it. If that call fails, it should be harmless, and just * take up more slightly more bus bandwidth for unnecessary U1/U2 exit latency. @@ -4056,23 +4059,24 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev, * host know that this link state won't be enabled. */ hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); - } else { - /* Only a configured device will accept the Set Feature - * U1/U2_ENABLE - */ - if (udev->actconfig) - usb_set_device_initiated_lpm(udev, state, true); + return; + } - /* As soon as usb_set_lpm_timeout(timeout) returns 0, the - * hub-initiated LPM is enabled. Thus, LPM is enabled no - * matter the result of usb_set_device_initiated_lpm(). - * The only difference is whether device is able to initiate - * LPM. - */ + /* Only a configured device will accept the Set Feature + * U1/U2_ENABLE + */ + if (udev->actconfig && + usb_set_device_initiated_lpm(udev, state, true) == 0) { if (state == USB3_LPM_U1) udev->usb3_lpm_u1_enabled = 1; else if (state == USB3_LPM_U2) udev->usb3_lpm_u2_enabled = 1; + } else { + /* Don't request U1/U2 entry if the device + * cannot transition to U1/U2. + */ + usb_set_lpm_timeout(udev, state, 0); + hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); } } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 4aff1d8dbc4f..6e9e172010fc 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1423,11 +1423,6 @@ static int dwc3_probe(struct platform_device *pdev) dwc->regs = regs; dwc->regs_size = resource_size(&dwc_res); - if (!dwc3_core_is_valid(dwc)) { - dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n"); - return -ENODEV; - } - dwc3_get_properties(dwc); dwc->reset = devm_reset_control_get_optional_shared(dev, NULL); @@ -1460,6 +1455,12 @@ static int dwc3_probe(struct platform_device *pdev) if (ret) goto unprepare_clks; + if (!dwc3_core_is_valid(dwc)) { + dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n"); + ret = -ENODEV; + goto disable_clks; + } + platform_set_drvdata(pdev, dwc); dwc3_cache_hwparams(dwc); @@ -1525,6 +1526,7 @@ err1: pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); +disable_clks: clk_bulk_disable(dwc->num_clks, dwc->clks); unprepare_clks: clk_bulk_unprepare(dwc->num_clks, dwc->clks); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index c7ed90084d1a..213ff03c8a9f 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1183,11 +1183,12 @@ static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) ENTER(); if (!is_sync_kiocb(kiocb)) { - p = kmalloc(sizeof(io_data), GFP_KERNEL); + p = kzalloc(sizeof(io_data), GFP_KERNEL); if (unlikely(!p)) return -ENOMEM; p->aio = true; } else { + memset(p, 0, sizeof(*p)); p->aio = false; } @@ -1219,11 +1220,12 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) ENTER(); if (!is_sync_kiocb(kiocb)) { - p = kmalloc(sizeof(io_data), GFP_KERNEL); + p = kzalloc(sizeof(io_data), GFP_KERNEL); if (unlikely(!p)) return -ENOMEM; p->aio = true; } else { + memset(p, 0, sizeof(*p)); p->aio = false; } diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c index 09a8ebd95588..6968b9f2b76b 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -159,7 +159,7 @@ out: return result; error_set_cluster_id: - wusb_cluster_id_put(wusbhc->cluster_id); + wusb_cluster_id_put(addr); error_cluster_id_get: goto out; diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 3ce71cbfbb58..ad05c27b3a7b 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -205,7 +205,7 @@ int usb_amd_find_chipset_info(void) { unsigned long flags; struct amd_chipset_info info; - int ret; + int need_pll_quirk = 0; spin_lock_irqsave(&amd_lock, flags); @@ -219,21 +219,28 @@ int usb_amd_find_chipset_info(void) spin_unlock_irqrestore(&amd_lock, flags); if (!amd_chipset_sb_type_init(&info)) { - ret = 0; goto commit; } - /* Below chipset generations needn't enable AMD PLL quirk */ - if (info.sb_type.gen == AMD_CHIPSET_UNKNOWN || - info.sb_type.gen == AMD_CHIPSET_SB600 || - info.sb_type.gen == AMD_CHIPSET_YANGTZE || - (info.sb_type.gen == AMD_CHIPSET_SB700 && - info.sb_type.rev > 0x3b)) { + switch (info.sb_type.gen) { + case AMD_CHIPSET_SB700: + need_pll_quirk = info.sb_type.rev <= 0x3B; + break; + case AMD_CHIPSET_SB800: + case AMD_CHIPSET_HUDSON2: + case AMD_CHIPSET_BOLTON: + need_pll_quirk = 1; + break; + default: + need_pll_quirk = 0; + break; + } + + if (!need_pll_quirk) { if (info.smbus_dev) { pci_dev_put(info.smbus_dev); info.smbus_dev = NULL; } - ret = 0; goto commit; } @@ -252,7 +259,7 @@ int usb_amd_find_chipset_info(void) } } - ret = info.probe_result = 1; + need_pll_quirk = info.probe_result = 1; printk(KERN_DEBUG "QUIRK: Enable AMD PLL fix\n"); commit: @@ -263,7 +270,7 @@ commit: /* Mark that we where here */ amd_chipset.probe_count++; - ret = amd_chipset.probe_result; + need_pll_quirk = amd_chipset.probe_result; spin_unlock_irqrestore(&amd_lock, flags); @@ -277,7 +284,7 @@ commit: spin_unlock_irqrestore(&amd_lock, flags); } - return ret; + return need_pll_quirk; } EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 92e764c54154..fabbce1c542a 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -2170,7 +2170,8 @@ static inline bool xhci_urb_suitable_for_idt(struct urb *urb) if (!usb_endpoint_xfer_isoc(&urb->ep->desc) && usb_urb_dir_out(urb) && usb_endpoint_maxp(&urb->ep->desc) >= TRB_IDT_MAX_SIZE && urb->transfer_buffer_length <= TRB_IDT_MAX_SIZE && - !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)) + !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) && + !urb->num_sgs) return true; return false; diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c index 4d6ae3795a88..6ca9111d150a 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -375,7 +375,8 @@ out_err: #ifdef CONFIG_OF static void usb251xb_get_ports_field(struct usb251xb *hub, - const char *prop_name, u8 port_cnt, u8 *fld) + const char *prop_name, u8 port_cnt, + bool ds_only, u8 *fld) { struct device *dev = hub->dev; struct property *prop; @@ -383,7 +384,7 @@ static void usb251xb_get_ports_field(struct usb251xb *hub, u32 port; of_property_for_each_u32(dev->of_node, prop_name, prop, p, port) { - if ((port >= 1) && (port <= port_cnt)) + if ((port >= ds_only ? 1 : 0) && (port <= port_cnt)) *fld |= BIT(port); else dev_warn(dev, "port %u doesn't exist\n", port); @@ -501,15 +502,15 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, hub->non_rem_dev = USB251XB_DEF_NON_REMOVABLE_DEVICES; usb251xb_get_ports_field(hub, "non-removable-ports", data->port_cnt, - &hub->non_rem_dev); + true, &hub->non_rem_dev); hub->port_disable_sp = USB251XB_DEF_PORT_DISABLE_SELF; usb251xb_get_ports_field(hub, "sp-disabled-ports", data->port_cnt, - &hub->port_disable_sp); + true, &hub->port_disable_sp); hub->port_disable_bp = USB251XB_DEF_PORT_DISABLE_BUS; usb251xb_get_ports_field(hub, "bp-disabled-ports", data->port_cnt, - &hub->port_disable_bp); + true, &hub->port_disable_bp); hub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF; if (!of_property_read_u32(np, "sp-max-total-current-microamp", @@ -573,9 +574,7 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, */ hub->port_swap = USB251XB_DEF_PORT_SWAP; usb251xb_get_ports_field(hub, "swap-dx-lanes", data->port_cnt, - &hub->port_swap); - if (of_get_property(np, "swap-us-lanes", NULL)) - hub->port_swap |= BIT(0); + false, &hub->port_swap); /* The following parameters are currently not exposed to devicetree, but * may be as soon as needed. diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 59190d88fa9f..556bb4fa0bee 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -28,6 +28,8 @@ * status of a command. */ +#include <linux/blkdev.h> +#include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/mutex.h> @@ -99,6 +101,7 @@ static int slave_alloc (struct scsi_device *sdev) static int slave_configure(struct scsi_device *sdev) { struct us_data *us = host_to_us(sdev->host); + struct device *dev = us->pusb_dev->bus->sysdev; /* * Many devices have trouble transferring more than 32KB at a time, @@ -129,6 +132,14 @@ static int slave_configure(struct scsi_device *sdev) } /* + * The max_hw_sectors should be up to maximum size of a mapping for + * the device. Otherwise, a DMA API might fail on swiotlb environment. + */ + blk_queue_max_hw_sectors(sdev->request_queue, + min_t(size_t, queue_max_hw_sectors(sdev->request_queue), + dma_max_mapping_size(dev) >> SECTOR_SHIFT)); + + /* * Some USB host controllers can't do DMA; they have to use PIO. * They indicate this by setting their dma_mask to NULL. For * such controllers we need to make sure the block layer sets diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index f363fbeb5ab0..e09edb5c5e06 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -463,9 +463,14 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs, struct irq_affinity *desc) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); - unsigned int irq = platform_get_irq(vm_dev->pdev, 0); + int irq = platform_get_irq(vm_dev->pdev, 0); int i, err, queue_idx = 0; + if (irq < 0) { + dev_err(&vdev->dev, "Cannot get IRQ resource\n"); + return irq; + } + err = request_irq(irq, vm_interrupt, IRQF_SHARED, dev_name(&vdev->dev), vm_dev); if (err) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 469dfbd6cf90..dd4d5dea9a54 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -1145,7 +1145,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) goto out_put_map; if (!use_ptemod) { - err = vm_map_pages(vma, map->pages, map->count); + err = vm_map_pages_zero(vma, map->pages, map->count); if (err) goto out_put_map; } else { diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index d53f3493a6b9..c416d31cb545 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -361,8 +361,8 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr, /* Convert the size to actually allocated. */ size = 1UL << (order + XEN_PAGE_SHIFT); - if (((dev_addr + size - 1 <= dma_mask)) || - range_straddles_page_boundary(phys, size)) + if (!WARN_ON((dev_addr + size - 1 > dma_mask) || + range_straddles_page_boundary(phys, size))) xen_destroy_contiguous_region(phys, order); xen_free_coherent_pages(hwdev, size, vaddr, (dma_addr_t)phys, attrs); @@ -402,7 +402,7 @@ static dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, map = swiotlb_tbl_map_single(dev, start_dma_addr, phys, size, dir, attrs); - if (map == DMA_MAPPING_ERROR) + if (map == (phys_addr_t)DMA_MAPPING_ERROR) return DMA_MAPPING_ERROR; dev_addr = xen_phys_to_bus(map); |