diff options
author | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2020-11-10 15:08:56 +0000 |
---|---|---|
committer | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2020-11-10 15:14:34 +0000 |
commit | 6b8c5b31298fa141016d304e68fdd912106e4718 (patch) | |
tree | 97eb653b72833e4fd6a21a1d30a0baf165dbd368 /drivers | |
parent | ad4c64e47c85a8e6d16ab61aa45d4bd4b645228d (diff) | |
parent | ec9c6b417e271ee76d1430d2b197794858238d3b (diff) |
Merge tag 'v5.4.76' into 5.4-2.1.x-imx
This is the 5.4.76 stable release
Conflicts:
- drivers/tty/serial/fsl_lpuart.c:
Fix merge conflict of upstream patches [86875e1d6426] and [8febdfb5973d],
which contradicted with patch [cde0cb39c0e8e] from NXP.
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
Diffstat (limited to 'drivers')
46 files changed, 300 insertions, 230 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 12d980aafc5f..9d78f29cf996 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1553,7 +1553,7 @@ static ssize_t format1_show(struct device *dev, le16_to_cpu(nfit_dcr->dcr->code)); break; } - if (rc != ENXIO) + if (rc != -ENXIO) break; } mutex_unlock(&acpi_desc->init_mutex); diff --git a/drivers/base/core.c b/drivers/base/core.c index a783cb5a0946..4837e7ac7b77 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -454,8 +454,7 @@ static void __device_link_del(struct kref *kref) dev_dbg(link->consumer, "Dropping the link to %s\n", dev_name(link->supplier)); - if (link->flags & DL_FLAG_PM_RUNTIME) - pm_runtime_drop_link(link->consumer); + pm_runtime_drop_link(link); list_del_rcu(&link->s_node); list_del_rcu(&link->c_node); @@ -469,8 +468,7 @@ static void __device_link_del(struct kref *kref) dev_info(link->consumer, "Dropping the link to %s\n", dev_name(link->supplier)); - if (link->flags & DL_FLAG_PM_RUNTIME) - pm_runtime_drop_link(link->consumer); + pm_runtime_drop_link(link); list_del(&link->s_node); list_del(&link->c_node); diff --git a/drivers/base/dd.c b/drivers/base/dd.c index c9b308229335..841e8ab05a7f 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -1105,6 +1105,8 @@ static void __device_release_driver(struct device *dev, struct device *parent) drv = dev->driver; if (drv) { + pm_runtime_get_sync(dev); + while (device_links_busy(dev)) { __device_driver_unlock(dev, parent); @@ -1116,13 +1118,12 @@ static void __device_release_driver(struct device *dev, struct device *parent) * have released the driver successfully while this one * was waiting, so check for that. */ - if (dev->driver != drv) + if (dev->driver != drv) { + pm_runtime_put(dev); return; + } } - pm_runtime_get_sync(dev); - pm_runtime_clean_up_links(dev); - driver_sysfs_remove(dev); if (dev->bus) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 4244e22e4b40..137a7ba053d7 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -1616,42 +1616,6 @@ void pm_runtime_remove(struct device *dev) } /** - * pm_runtime_clean_up_links - Prepare links to consumers for driver removal. - * @dev: Device whose driver is going to be removed. - * - * Check links from this device to any consumers and if any of them have active - * runtime PM references to the device, drop the usage counter of the device - * (as many times as needed). - * - * Links with the DL_FLAG_MANAGED flag unset are ignored. - * - * Since the device is guaranteed to be runtime-active at the point this is - * called, nothing else needs to be done here. - * - * Moreover, this is called after device_links_busy() has returned 'false', so - * the status of each link is guaranteed to be DL_STATE_SUPPLIER_UNBIND and - * therefore rpm_active can't be manipulated concurrently. - */ -void pm_runtime_clean_up_links(struct device *dev) -{ - struct device_link *link; - int idx; - - idx = device_links_read_lock(); - - list_for_each_entry_rcu(link, &dev->links.consumers, s_node, - device_links_read_lock_held()) { - if (!(link->flags & DL_FLAG_MANAGED)) - continue; - - while (refcount_dec_not_one(&link->rpm_active)) - pm_runtime_put_noidle(dev); - } - - device_links_read_unlock(idx); -} - -/** * pm_runtime_get_suppliers - Resume and reference-count supplier devices. * @dev: Consumer device. */ @@ -1702,7 +1666,7 @@ void pm_runtime_new_link(struct device *dev) spin_unlock_irq(&dev->power.lock); } -void pm_runtime_drop_link(struct device *dev) +static void pm_runtime_drop_link_count(struct device *dev) { spin_lock_irq(&dev->power.lock); WARN_ON(dev->power.links_count == 0); @@ -1710,6 +1674,25 @@ void pm_runtime_drop_link(struct device *dev) spin_unlock_irq(&dev->power.lock); } +/** + * pm_runtime_drop_link - Prepare for device link removal. + * @link: Device link going away. + * + * Drop the link count of the consumer end of @link and decrement the supplier + * device's runtime PM usage counter as many times as needed to drop all of the + * PM runtime reference to it from the consumer. + */ +void pm_runtime_drop_link(struct device_link *link) +{ + if (!(link->flags & DL_FLAG_PM_RUNTIME)) + return; + + pm_runtime_drop_link_count(link->consumer); + + while (refcount_dec_not_one(&link->rpm_active)) + pm_runtime_put(link->supplier); +} + static bool pm_runtime_need_not_resume(struct device *dev) { return atomic_read(&dev->power.usage_count) <= 1 && diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c index e2c64c943cfc..385bd4dc6686 100644 --- a/drivers/crypto/chelsio/chtls/chtls_cm.c +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c @@ -174,7 +174,7 @@ static struct sk_buff *alloc_ctrl_skb(struct sk_buff *skb, int len) { if (likely(skb && !skb_shared(skb) && !skb_cloned(skb))) { __skb_trim(skb, 0); - refcount_add(2, &skb->users); + refcount_inc(&skb->users); } else { skb = alloc_skb(len, GFP_KERNEL | __GFP_NOFAIL); } diff --git a/drivers/crypto/chelsio/chtls/chtls_hw.c b/drivers/crypto/chelsio/chtls/chtls_hw.c index a217fe72602d..3ef723e08953 100644 --- a/drivers/crypto/chelsio/chtls/chtls_hw.c +++ b/drivers/crypto/chelsio/chtls/chtls_hw.c @@ -357,6 +357,9 @@ int chtls_setkey(struct chtls_sock *csk, u32 keylen, u32 optname) if (ret) goto out_notcb; + if (unlikely(csk_flag(sk, CSK_ABORT_SHUTDOWN))) + goto out_notcb; + set_wr_txq(skb, CPL_PRIORITY_DATA, csk->tlshws.txqid); csk->wr_credits -= DIV_ROUND_UP(len, 16); csk->wr_unacked += DIV_ROUND_UP(len, 16); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index fa2c0f29ad4d..e8e172010416 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1011,6 +1011,7 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x7319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10}, {0x1002, 0x731A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10}, {0x1002, 0x731B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10}, + {0x1002, 0x731E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10}, {0x1002, 0x731F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10}, /* Navi14 */ {0x1002, 0x7340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14}, diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index c169f0f70f3a..2fa491f82682 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -1574,6 +1574,9 @@ static void process_csb(struct intel_engine_cs *engine) if (!inject_preempt_hang(execlists)) ring_set_paused(engine, 0); + /* XXX Magic delay for tgl */ + ENGINE_POSTING_READ(engine, RING_CONTEXT_STATUS_PTR); + WRITE_ONCE(execlists->pending[0], NULL); break; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index fe9edbba997c..b9af329eb3a3 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -307,6 +307,8 @@ static int compress_page(struct compress *c, if (zlib_deflate(zstream, Z_NO_FLUSH) != Z_OK) return -EIO; + + cond_resched(); } while (zstream->avail_in); /* Fallback to uncompressed if we increase size? */ @@ -392,6 +394,7 @@ static int compress_page(struct compress *c, if (!i915_memcpy_from_wc(ptr, src, PAGE_SIZE)) memcpy(ptr, src, PAGE_SIZE); dst->pages[dst->page_count++] = ptr; + cond_resched(); return 0; } diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 9e583f13a9e4..62f8a47fda45 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1124,6 +1124,18 @@ unclaimed_reg_debug(struct intel_uncore *uncore, spin_unlock(&uncore->debug->lock); } +#define __vgpu_read(x) \ +static u##x \ +vgpu_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { \ + u##x val = __raw_uncore_read##x(uncore, reg); \ + trace_i915_reg_rw(false, reg, val, sizeof(val), trace); \ + return val; \ +} +__vgpu_read(8) +__vgpu_read(16) +__vgpu_read(32) +__vgpu_read(64) + #define GEN2_READ_HEADER(x) \ u##x val = 0; \ assert_rpm_wakelock_held(uncore->rpm); @@ -1327,6 +1339,16 @@ __gen_reg_write_funcs(gen8); #undef GEN6_WRITE_FOOTER #undef GEN6_WRITE_HEADER +#define __vgpu_write(x) \ +static void \ +vgpu_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { \ + trace_i915_reg_rw(true, reg, val, sizeof(val), trace); \ + __raw_uncore_write##x(uncore, reg, val); \ +} +__vgpu_write(8) +__vgpu_write(16) +__vgpu_write(32) + #define ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, x) \ do { \ (uncore)->funcs.mmio_writeb = x##_write8; \ @@ -1647,7 +1669,10 @@ static void uncore_raw_init(struct intel_uncore *uncore) { GEM_BUG_ON(intel_uncore_has_forcewake(uncore)); - if (IS_GEN(uncore->i915, 5)) { + if (intel_vgpu_active(uncore->i915)) { + ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, vgpu); + ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, vgpu); + } else if (IS_GEN(uncore->i915, 5)) { ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, gen5); ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, gen5); } else { diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 7d39d4949ee7..2dd9fcab464b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -197,7 +197,8 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, * to the caller, instead of a normal nouveau_bo ttm reference. */ ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size); if (ret) { - nouveau_bo_ref(NULL, &nvbo); + drm_gem_object_release(&nvbo->bo.base); + kfree(nvbo); return ret; } diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c index 824654742a60..0be4668c780b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_svm.c +++ b/drivers/gpu/drm/nouveau/nouveau_svm.c @@ -112,11 +112,11 @@ nouveau_svmm_bind(struct drm_device *dev, void *data, struct nouveau_cli *cli = nouveau_cli(file_priv); struct drm_nouveau_svm_bind *args = data; unsigned target, cmd, priority; - unsigned long addr, end, size; + unsigned long addr, end; struct mm_struct *mm; args->va_start &= PAGE_MASK; - args->va_end &= PAGE_MASK; + args->va_end = ALIGN(args->va_end, PAGE_SIZE); /* Sanity check arguments */ if (args->reserved0 || args->reserved1) @@ -125,8 +125,6 @@ nouveau_svmm_bind(struct drm_device *dev, void *data, return -EINVAL; if (args->va_start >= args->va_end) return -EINVAL; - if (!args->npages) - return -EINVAL; cmd = args->header >> NOUVEAU_SVM_BIND_COMMAND_SHIFT; cmd &= NOUVEAU_SVM_BIND_COMMAND_MASK; @@ -158,12 +156,6 @@ nouveau_svmm_bind(struct drm_device *dev, void *data, if (args->stride) return -EINVAL; - size = ((unsigned long)args->npages) << PAGE_SHIFT; - if ((args->va_start + size) <= args->va_start) - return -EINVAL; - if ((args->va_start + size) > args->va_end) - return -EINVAL; - /* * Ok we are ask to do something sane, for now we only support migrate * commands but we will add things like memory policy (what to do on @@ -178,7 +170,7 @@ nouveau_svmm_bind(struct drm_device *dev, void *data, return -EINVAL; } - for (addr = args->va_start, end = args->va_start + size; addr < end;) { + for (addr = args->va_start, end = args->va_end; addr < end;) { struct vm_area_struct *vma; unsigned long next; diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c index c05e013bb8e3..ac9de37a8280 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem.c @@ -105,14 +105,12 @@ void panfrost_gem_mapping_put(struct panfrost_gem_mapping *mapping) kref_put(&mapping->refcount, panfrost_gem_mapping_release); } -void panfrost_gem_teardown_mappings(struct panfrost_gem_object *bo) +void panfrost_gem_teardown_mappings_locked(struct panfrost_gem_object *bo) { struct panfrost_gem_mapping *mapping; - mutex_lock(&bo->mappings.lock); list_for_each_entry(mapping, &bo->mappings.list, node) panfrost_gem_teardown_mapping(mapping); - mutex_unlock(&bo->mappings.lock); } int panfrost_gem_open(struct drm_gem_object *obj, struct drm_file *file_priv) diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.h b/drivers/gpu/drm/panfrost/panfrost_gem.h index b3517ff9630c..8088d5fd8480 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem.h +++ b/drivers/gpu/drm/panfrost/panfrost_gem.h @@ -82,7 +82,7 @@ struct panfrost_gem_mapping * panfrost_gem_mapping_get(struct panfrost_gem_object *bo, struct panfrost_file_priv *priv); void panfrost_gem_mapping_put(struct panfrost_gem_mapping *mapping); -void panfrost_gem_teardown_mappings(struct panfrost_gem_object *bo); +void panfrost_gem_teardown_mappings_locked(struct panfrost_gem_object *bo); void panfrost_gem_shrinker_init(struct drm_device *dev); void panfrost_gem_shrinker_cleanup(struct drm_device *dev); diff --git a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c index 288e46c40673..1b9f68d8e9aa 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c @@ -40,18 +40,26 @@ static bool panfrost_gem_purge(struct drm_gem_object *obj) { struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj); struct panfrost_gem_object *bo = to_panfrost_bo(obj); + bool ret = false; if (atomic_read(&bo->gpu_usecount)) return false; - if (!mutex_trylock(&shmem->pages_lock)) + if (!mutex_trylock(&bo->mappings.lock)) return false; - panfrost_gem_teardown_mappings(bo); + if (!mutex_trylock(&shmem->pages_lock)) + goto unlock_mappings; + + panfrost_gem_teardown_mappings_locked(bo); drm_gem_shmem_purge_locked(obj); + ret = true; mutex_unlock(&shmem->pages_lock); - return true; + +unlock_mappings: + mutex_unlock(&bo->mappings.lock); + return ret; } static unsigned long diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index ec2a032e07b9..7186ba73d8e1 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -407,6 +407,7 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend, struct drm_framebuffer *fb = state->fb; const struct drm_format_info *format = fb->format; uint64_t modifier = fb->modifier; + unsigned int ch1_phase_idx; u32 out_fmt_val; u32 in_fmt_val, in_mod_val, in_ps_val; unsigned int i; @@ -442,18 +443,19 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend, * I have no idea what this does exactly, but it seems to be * related to the scaler FIR filter phase parameters. */ + ch1_phase_idx = (format->num_planes > 1) ? 1 : 0; regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_HORZPHASE_REG, - frontend->data->ch_phase[0].horzphase); + frontend->data->ch_phase[0]); regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_HORZPHASE_REG, - frontend->data->ch_phase[1].horzphase); + frontend->data->ch_phase[ch1_phase_idx]); regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTPHASE0_REG, - frontend->data->ch_phase[0].vertphase[0]); + frontend->data->ch_phase[0]); regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTPHASE0_REG, - frontend->data->ch_phase[1].vertphase[0]); + frontend->data->ch_phase[ch1_phase_idx]); regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTPHASE1_REG, - frontend->data->ch_phase[0].vertphase[1]); + frontend->data->ch_phase[0]); regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTPHASE1_REG, - frontend->data->ch_phase[1].vertphase[1]); + frontend->data->ch_phase[ch1_phase_idx]); /* * Checking the input format is sufficient since we currently only @@ -687,30 +689,12 @@ static const struct dev_pm_ops sun4i_frontend_pm_ops = { }; static const struct sun4i_frontend_data sun4i_a10_frontend = { - .ch_phase = { - { - .horzphase = 0, - .vertphase = { 0, 0 }, - }, - { - .horzphase = 0xfc000, - .vertphase = { 0xfc000, 0xfc000 }, - }, - }, + .ch_phase = { 0x000, 0xfc000 }, .has_coef_rdy = true, }; static const struct sun4i_frontend_data sun8i_a33_frontend = { - .ch_phase = { - { - .horzphase = 0x400, - .vertphase = { 0x400, 0x400 }, - }, - { - .horzphase = 0x400, - .vertphase = { 0x400, 0x400 }, - }, - }, + .ch_phase = { 0x400, 0xfc400 }, .has_coef_access_ctrl = true, }; diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h index 0c382c1ddb0f..2e7b76e50c2b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.h +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h @@ -115,11 +115,7 @@ struct reset_control; struct sun4i_frontend_data { bool has_coef_access_ctrl; bool has_coef_rdy; - - struct { - u32 horzphase; - u32 vertphase[2]; - } ch_phase[2]; + u32 ch_phase[2]; }; struct sun4i_frontend { diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 5e6fb6c2307f..0d78ba017a29 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -309,6 +309,7 @@ unbind_all: component_unbind_all(dev, drm); gem_destroy: vc4_gem_destroy(drm); + drm_mode_config_cleanup(drm); vc4_bo_cache_destroy(drm); dev_put: drm_dev_put(drm); diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h index dfd24b85a577..82e563cdc879 100644 --- a/drivers/hwtracing/coresight/coresight-priv.h +++ b/drivers/hwtracing/coresight/coresight-priv.h @@ -147,8 +147,7 @@ static inline void coresight_write_reg_pair(void __iomem *addr, u64 val, void coresight_disable_path(struct list_head *path); int coresight_enable_path(struct list_head *path, u32 mode, void *sink_data); struct coresight_device *coresight_get_sink(struct list_head *path); -struct coresight_device * -coresight_get_enabled_sink(struct coresight_device *source); +struct coresight_device *coresight_get_enabled_sink(bool reset); struct coresight_device *coresight_get_sink_by_id(u32 id); struct list_head *coresight_build_path(struct coresight_device *csdev, struct coresight_device *sink); diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 90ecd04a2f20..0bbce0d29158 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -481,46 +481,50 @@ struct coresight_device *coresight_get_sink(struct list_head *path) return csdev; } -static struct coresight_device * -coresight_find_enabled_sink(struct coresight_device *csdev) +static int coresight_enabled_sink(struct device *dev, const void *data) { - int i; - struct coresight_device *sink; + const bool *reset = data; + struct coresight_device *csdev = to_coresight_device(dev); if ((csdev->type == CORESIGHT_DEV_TYPE_SINK || csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) && - csdev->activated) - return csdev; - - /* - * Recursively explore each port found on this element. - */ - for (i = 0; i < csdev->pdata->nr_outport; i++) { - struct coresight_device *child_dev; + csdev->activated) { + /* + * Now that we have a handle on the sink for this session, + * disable the sysFS "enable_sink" flag so that possible + * concurrent perf session that wish to use another sink don't + * trip on it. Doing so has no ramification for the current + * session. + */ + if (*reset) + csdev->activated = false; - child_dev = csdev->pdata->conns[i].child_dev; - if (child_dev) - sink = coresight_find_enabled_sink(child_dev); - if (sink) - return sink; + return 1; } - return NULL; + return 0; } /** - * coresight_get_enabled_sink - returns the first enabled sink using - * connection based search starting from the source reference + * coresight_get_enabled_sink - returns the first enabled sink found on the bus + * @deactivate: Whether the 'enable_sink' flag should be reset * - * @source: Coresight source device reference + * When operated from perf the deactivate parameter should be set to 'true'. + * That way the "enabled_sink" flag of the sink that was selected can be reset, + * allowing for other concurrent perf sessions to choose a different sink. + * + * When operated from sysFS users have full control and as such the deactivate + * parameter should be set to 'false', hence mandating users to explicitly + * clear the flag. */ -struct coresight_device * -coresight_get_enabled_sink(struct coresight_device *source) +struct coresight_device *coresight_get_enabled_sink(bool deactivate) { - if (!source) - return NULL; + struct device *dev = NULL; + + dev = bus_find_device(&coresight_bustype, NULL, &deactivate, + coresight_enabled_sink); - return coresight_find_enabled_sink(source); + return dev ? to_coresight_device(dev) : NULL; } static int coresight_sink_by_id(struct device *dev, const void *data) @@ -760,7 +764,11 @@ int coresight_enable(struct coresight_device *csdev) goto out; } - sink = coresight_get_enabled_sink(csdev); + /* + * Search for a valid sink for this session but don't reset the + * "enable_sink" flag in sysFS. Users get to do that explicitly. + */ + sink = coresight_get_enabled_sink(false); if (!sink) { ret = -EINVAL; goto out; diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 12094f249979..0cae20f09aba 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -4444,11 +4444,10 @@ static void spi_nor_sfdp_init_params(struct spi_nor *nor) memcpy(&sfdp_params, &nor->params, sizeof(sfdp_params)); - if (spi_nor_parse_sfdp(nor, &sfdp_params)) { + if (spi_nor_parse_sfdp(nor, &nor->params)) { + memcpy(&nor->params, &sfdp_params, sizeof(nor->params)); nor->addr_width = 0; nor->flags &= ~SNOR_F_4B_OPCODES; - } else { - memcpy(&nor->params, &sfdp_params, sizeof(nor->params)); } } diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index a5c4d4d66df3..3f74416bb874 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -1718,7 +1718,8 @@ static inline int macb_clear_csum(struct sk_buff *skb) static int macb_pad_and_fcs(struct sk_buff **skb, struct net_device *ndev) { - bool cloned = skb_cloned(*skb) || skb_header_cloned(*skb); + bool cloned = skb_cloned(*skb) || skb_header_cloned(*skb) || + skb_is_nonlinear(*skb); int padlen = ETH_ZLEN - (*skb)->len; int headroom = skb_headroom(*skb); int tailroom = skb_tailroom(*skb); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 3978d82c9598..5cb58ab1eec9 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1826,20 +1826,12 @@ static netdev_tx_t gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) fcb_len = GMAC_FCB_LEN + GMAC_TXPAL_LEN; /* make space for additional header when fcb is needed */ - if (fcb_len && unlikely(skb_headroom(skb) < fcb_len)) { - struct sk_buff *skb_new; - - skb_new = skb_realloc_headroom(skb, fcb_len); - if (!skb_new) { + if (fcb_len) { + if (unlikely(skb_cow_head(skb, fcb_len))) { dev->stats.tx_errors++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; } - - if (skb->sk) - skb_set_owner_w(skb_new, skb->sk); - dev_consume_skb_any(skb); - skb = skb_new; } /* total number of fragments in the SKB */ @@ -3377,7 +3369,7 @@ static int gfar_probe(struct platform_device *ofdev) if (dev->features & NETIF_F_IP_CSUM || priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER) - dev->needed_headroom = GMAC_FCB_LEN; + dev->needed_headroom = GMAC_FCB_LEN + GMAC_TXPAL_LEN; /* Initializing some of the rx/tx queue level parameters */ for (i = 0; i < priv->num_tx_queues; i++) { diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 91559a52c7ad..f357b9cbfee7 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1109,18 +1109,27 @@ static int ibmvnic_open(struct net_device *netdev) if (adapter->state != VNIC_CLOSED) { rc = ibmvnic_login(netdev); if (rc) - return rc; + goto out; rc = init_resources(adapter); if (rc) { netdev_err(netdev, "failed to initialize resources\n"); release_resources(adapter); - return rc; + goto out; } } rc = __ibmvnic_open(netdev); +out: + /* + * If open fails due to a pending failover, set device state and + * return. Device operation will be handled by reset routine. + */ + if (rc && adapter->failover_pending) { + adapter->state = VNIC_OPEN; + rc = 0; + } return rc; } @@ -1842,6 +1851,13 @@ static int do_reset(struct ibmvnic_adapter *adapter, rwi->reset_reason); rtnl_lock(); + /* + * Now that we have the rtnl lock, clear any pending failover. + * This will ensure ibmvnic_open() has either completed or will + * block until failover is complete. + */ + if (rwi->reset_reason == VNIC_RESET_FAILOVER) + adapter->failover_pending = false; netif_carrier_off(netdev); adapter->reset_reason = rwi->reset_reason; @@ -2112,6 +2128,13 @@ static void __ibmvnic_reset(struct work_struct *work) /* CHANGE_PARAM requestor holds rtnl_lock */ rc = do_change_param_reset(adapter, rwi, reset_state); } else if (adapter->force_reset_recovery) { + /* + * Since we are doing a hard reset now, clear the + * failover_pending flag so we don't ignore any + * future MOBILITY or other resets. + */ + adapter->failover_pending = false; + /* Transport event occurred during previous reset */ if (adapter->wait_for_reset) { /* Previous was CHANGE_PARAM; caller locked */ @@ -2176,9 +2199,15 @@ static int ibmvnic_reset(struct ibmvnic_adapter *adapter, unsigned long flags; int ret; + /* + * If failover is pending don't schedule any other reset. + * Instead let the failover complete. If there is already a + * a failover reset scheduled, we will detect and drop the + * duplicate reset when walking the ->rwi_list below. + */ if (adapter->state == VNIC_REMOVING || adapter->state == VNIC_REMOVED || - adapter->failover_pending) { + (adapter->failover_pending && reason != VNIC_RESET_FAILOVER)) { ret = EBUSY; netdev_dbg(netdev, "Adapter removing or pending failover, skipping reset\n"); goto err; @@ -4532,7 +4561,6 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, case IBMVNIC_CRQ_INIT: dev_info(dev, "Partner initialized\n"); adapter->from_passive_init = true; - adapter->failover_pending = false; if (!completion_done(&adapter->init_done)) { complete(&adapter->init_done); adapter->init_done_rc = -EIO; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c index 5aacc00962df..b8de3784d976 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c @@ -125,6 +125,11 @@ static int ionic_get_link_ksettings(struct net_device *netdev, ethtool_link_ksettings_zero_link_mode(ks, supported); + if (!idev->port_info) { + netdev_err(netdev, "port_info not initialized\n"); + return -EOPNOTSUPP; + } + /* The port_info data is found in a DMA space that the NIC keeps * up-to-date, so there's no need to request the data from the * NIC, we already have it in our memory space. diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 272d5773573e..27b67f12ec45 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -1970,7 +1970,8 @@ static int sfp_probe(struct platform_device *pdev) continue; sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); - if (!sfp->gpio_irq[i]) { + if (sfp->gpio_irq[i] < 0) { + sfp->gpio_irq[i] = 0; poll = true; continue; } diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 21d905d90650..868acb410141 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1331,6 +1331,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index a41ee9feab8e..e957ad0a07f5 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1520,6 +1520,14 @@ static void nvme_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc) return; } + /* sanity checking for received data length */ + if (unlikely(wc->byte_len < len)) { + dev_err(queue->ctrl->ctrl.device, + "Unexpected nvme completion length(%d)\n", wc->byte_len); + nvme_rdma_error_recovery(queue->ctrl); + return; + } + ib_dma_sync_single_for_cpu(ibdev, qe->dma, len, DMA_FROM_DEVICE); /* * AEN requests are special as they don't time out and can diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 6b2f1e290fa7..cca5a00c098a 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -878,8 +878,6 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, req->error_loc = NVMET_NO_ERROR_LOC; req->error_slba = 0; - trace_nvmet_req_init(req, req->cmd); - /* no support for fused commands yet */ if (unlikely(flags & (NVME_CMD_FUSE_FIRST | NVME_CMD_FUSE_SECOND))) { req->error_loc = offsetof(struct nvme_common_command, flags); @@ -913,6 +911,8 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, if (status) goto fail; + trace_nvmet_req_init(req, req->cmd); + if (unlikely(!percpu_ref_tryget_live(&sq->ref))) { status = NVME_SC_INVALID_FIELD | NVME_SC_DNR; goto fail; diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h index e645caa882dd..3f61b6657175 100644 --- a/drivers/nvme/target/trace.h +++ b/drivers/nvme/target/trace.h @@ -46,19 +46,12 @@ static inline struct nvmet_ctrl *nvmet_req_to_ctrl(struct nvmet_req *req) return req->sq->ctrl; } -static inline void __assign_disk_name(char *name, struct nvmet_req *req, - bool init) +static inline void __assign_req_name(char *name, struct nvmet_req *req) { - struct nvmet_ctrl *ctrl = nvmet_req_to_ctrl(req); - struct nvmet_ns *ns; - - if ((init && req->sq->qid) || (!init && req->cq->qid)) { - ns = nvmet_find_namespace(ctrl, req->cmd->rw.nsid); - strncpy(name, ns->device_path, DISK_NAME_LEN); - return; - } - - memset(name, 0, DISK_NAME_LEN); + if (req->ns) + strncpy(name, req->ns->device_path, DISK_NAME_LEN); + else + memset(name, 0, DISK_NAME_LEN); } #endif @@ -81,7 +74,7 @@ TRACE_EVENT(nvmet_req_init, TP_fast_assign( __entry->cmd = cmd; __entry->ctrl = nvmet_req_to_ctrl(req); - __assign_disk_name(__entry->disk, req, true); + __assign_req_name(__entry->disk, req); __entry->qid = req->sq->qid; __entry->cid = cmd->common.command_id; __entry->opcode = cmd->common.opcode; @@ -121,7 +114,7 @@ TRACE_EVENT(nvmet_req_complete, __entry->cid = req->cqe->command_id; __entry->result = le64_to_cpu(req->cqe->result.u64); __entry->status = le16_to_cpu(req->cqe->status) >> 1; - __assign_disk_name(__entry->disk, req, false); + __assign_req_name(__entry->disk, req); ), TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x", __print_ctrl_name(__entry->ctrl), diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index c8c0d4e3e162..2e0e82555824 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -219,6 +219,16 @@ static int __init __rmem_cmp(const void *a, const void *b) if (ra->base > rb->base) return 1; + /* + * Put the dynamic allocations (address == 0, size == 0) before static + * allocations at address 0x0 so that overlap detection works + * correctly. + */ + if (ra->size < rb->size) + return -1; + if (ra->size > rb->size) + return 1; + return 0; } @@ -236,8 +246,7 @@ static void __init __rmem_check_for_overlap(void) this = &reserved_mem[i]; next = &reserved_mem[i + 1]; - if (!(this->base && next->base)) - continue; + if (this->base + this->size > next->base) { phys_addr_t this_end, next_end; diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 6da80f789684..0c647c9d8777 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4056,6 +4056,8 @@ int regulator_get_voltage_rdev(struct regulator_dev *rdev) ret = rdev->desc->fixed_uV; } else if (rdev->supply) { ret = regulator_get_voltage_rdev(rdev->supply->rdev); + } else if (rdev->supply_name) { + return -EPROBE_DEFER; } else { return -EINVAL; } diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 5c9898e934d9..0658aa5030c6 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -33,9 +33,6 @@ MODULE_DESCRIPTION("s390 protected key interface"); #define KEYBLOBBUFSIZE 8192 /* key buffer size used for internal processing */ #define MAXAPQNSINLIST 64 /* max 64 apqns within a apqn list */ -/* mask of available pckmo subfunctions, fetched once at module init */ -static cpacf_mask_t pckmo_functions; - /* * debug feature data and functions */ @@ -78,6 +75,9 @@ static int pkey_clr2protkey(u32 keytype, const struct pkey_clrkey *clrkey, struct pkey_protkey *protkey) { + /* mask of available pckmo subfunctions */ + static cpacf_mask_t pckmo_functions; + long fc; int keysize; u8 paramblock[64]; @@ -101,11 +101,13 @@ static int pkey_clr2protkey(u32 keytype, return -EINVAL; } - /* - * Check if the needed pckmo subfunction is available. - * These subfunctions can be enabled/disabled by customers - * in the LPAR profile or may even change on the fly. - */ + /* Did we already check for PCKMO ? */ + if (!pckmo_functions.bytes[0]) { + /* no, so check now */ + if (!cpacf_query(CPACF_PCKMO, &pckmo_functions)) + return -ENODEV; + } + /* check for the pckmo subfunction we need now */ if (!cpacf_test_func(&pckmo_functions, fc)) { DEBUG_ERR("%s pckmo functions not available\n", __func__); return -ENODEV; @@ -1504,7 +1506,7 @@ static struct miscdevice pkey_dev = { */ static int __init pkey_init(void) { - cpacf_mask_t kmc_functions; + cpacf_mask_t func_mask; /* * The pckmo instruction should be available - even if we don't @@ -1512,15 +1514,15 @@ static int __init pkey_init(void) * is also the minimum level for the kmc instructions which * are able to work with protected keys. */ - if (!cpacf_query(CPACF_PCKMO, &pckmo_functions)) + if (!cpacf_query(CPACF_PCKMO, &func_mask)) return -ENODEV; /* check for kmc instructions available */ - if (!cpacf_query(CPACF_KMC, &kmc_functions)) + if (!cpacf_query(CPACF_KMC, &func_mask)) return -ENODEV; - if (!cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_128) || - !cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_192) || - !cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_256)) + if (!cpacf_test_func(&func_mask, CPACF_KMC_PAES_128) || + !cpacf_test_func(&func_mask, CPACF_KMC_PAES_192) || + !cpacf_test_func(&func_mask, CPACF_KMC_PAES_256)) return -ENODEV; pkey_debug_init(); diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index c5711c659b51..1ab0a61e3fb5 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -807,13 +807,29 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code) } /** + * ibmvscsi_set_request_limit - Set the adapter request_limit in response to + * an adapter failure, reset, or SRP Login. Done under host lock to prevent + * race with SCSI command submission. + * @hostdata: adapter to adjust + * @limit: new request limit + */ +static void ibmvscsi_set_request_limit(struct ibmvscsi_host_data *hostdata, int limit) +{ + unsigned long flags; + + spin_lock_irqsave(hostdata->host->host_lock, flags); + atomic_set(&hostdata->request_limit, limit); + spin_unlock_irqrestore(hostdata->host->host_lock, flags); +} + +/** * ibmvscsi_reset_host - Reset the connection to the server * @hostdata: struct ibmvscsi_host_data to reset */ static void ibmvscsi_reset_host(struct ibmvscsi_host_data *hostdata) { scsi_block_requests(hostdata->host); - atomic_set(&hostdata->request_limit, 0); + ibmvscsi_set_request_limit(hostdata, 0); purge_requests(hostdata, DID_ERROR); hostdata->action = IBMVSCSI_HOST_ACTION_RESET; @@ -1146,13 +1162,13 @@ static void login_rsp(struct srp_event_struct *evt_struct) dev_info(hostdata->dev, "SRP_LOGIN_REJ reason %u\n", evt_struct->xfer_iu->srp.login_rej.reason); /* Login failed. */ - atomic_set(&hostdata->request_limit, -1); + ibmvscsi_set_request_limit(hostdata, -1); return; default: dev_err(hostdata->dev, "Invalid login response typecode 0x%02x!\n", evt_struct->xfer_iu->srp.login_rsp.opcode); /* Login failed. */ - atomic_set(&hostdata->request_limit, -1); + ibmvscsi_set_request_limit(hostdata, -1); return; } @@ -1163,7 +1179,7 @@ static void login_rsp(struct srp_event_struct *evt_struct) * This value is set rather than added to request_limit because * request_limit could have been set to -1 by this client. */ - atomic_set(&hostdata->request_limit, + ibmvscsi_set_request_limit(hostdata, be32_to_cpu(evt_struct->xfer_iu->srp.login_rsp.req_lim_delta)); /* If we had any pending I/Os, kick them */ @@ -1195,13 +1211,13 @@ static int send_srp_login(struct ibmvscsi_host_data *hostdata) login->req_buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT | SRP_BUF_FORMAT_INDIRECT); - spin_lock_irqsave(hostdata->host->host_lock, flags); /* Start out with a request limit of 0, since this is negotiated in * the login request we are just sending and login requests always * get sent by the driver regardless of request_limit. */ - atomic_set(&hostdata->request_limit, 0); + ibmvscsi_set_request_limit(hostdata, 0); + spin_lock_irqsave(hostdata->host->host_lock, flags); rc = ibmvscsi_send_srp_event(evt_struct, hostdata, login_timeout * 2); spin_unlock_irqrestore(hostdata->host->host_lock, flags); dev_info(hostdata->dev, "sent SRP login\n"); @@ -1781,7 +1797,7 @@ static void ibmvscsi_handle_crq(struct viosrp_crq *crq, return; case VIOSRP_CRQ_XPORT_EVENT: /* Hypervisor telling us the connection is closed */ scsi_block_requests(hostdata->host); - atomic_set(&hostdata->request_limit, 0); + ibmvscsi_set_request_limit(hostdata, 0); if (crq->format == 0x06) { /* We need to re-setup the interpartition connection */ dev_info(hostdata->dev, "Re-enabling adapter!\n"); @@ -2137,12 +2153,12 @@ static void ibmvscsi_do_work(struct ibmvscsi_host_data *hostdata) } hostdata->action = IBMVSCSI_HOST_ACTION_NONE; + spin_unlock_irqrestore(hostdata->host->host_lock, flags); if (rc) { - atomic_set(&hostdata->request_limit, -1); + ibmvscsi_set_request_limit(hostdata, -1); dev_err(hostdata->dev, "error after %s\n", action); } - spin_unlock_irqrestore(hostdata->host->host_lock, flags); scsi_unblock_requests(hostdata->host); } @@ -2226,7 +2242,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) init_waitqueue_head(&hostdata->work_wait_q); hostdata->host = host; hostdata->dev = dev; - atomic_set(&hostdata->request_limit, -1); + ibmvscsi_set_request_limit(hostdata, -1); hostdata->host->max_sectors = IBMVSCSI_MAX_SECTORS_DEFAULT; if (map_persist_bufs(hostdata)) { diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 058079f915f1..79232cef1af1 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1715,15 +1715,16 @@ static void scsi_sysfs_add_devices(struct Scsi_Host *shost) */ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) { - struct async_scan_data *data; + struct async_scan_data *data = NULL; unsigned long flags; if (strncmp(scsi_scan_type, "sync", 4) == 0) return NULL; + mutex_lock(&shost->scan_mutex); if (shost->async_scan) { shost_printk(KERN_DEBUG, shost, "%s called twice\n", __func__); - return NULL; + goto err; } data = kmalloc(sizeof(*data), GFP_KERNEL); @@ -1734,7 +1735,6 @@ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) goto err; init_completion(&data->prev_finished); - mutex_lock(&shost->scan_mutex); spin_lock_irqsave(shost->host_lock, flags); shost->async_scan = 1; spin_unlock_irqrestore(shost->host_lock, flags); @@ -1749,6 +1749,7 @@ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) return data; err: + mutex_unlock(&shost->scan_mutex); kfree(data); return NULL; } diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index c88f5d99c906..cfd9176e6413 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -1245,18 +1245,6 @@ static int bcm2835_spi_setup(struct spi_device *spi) if (!chip) return 0; - /* - * Retrieve the corresponding GPIO line used for CS. - * The inversion semantics will be handled by the GPIO core - * code, so we pass GPIOS_OUT_LOW for "unasserted" and - * the correct flag for inversion semantics. The SPI_CS_HIGH - * on spi->mode cannot be checked for polarity in this case - * as the flag use_gpio_descriptors enforces SPI_CS_HIGH. - */ - if (of_property_read_bool(spi->dev.of_node, "spi-cs-high")) - lflags = GPIO_ACTIVE_HIGH; - else - lflags = GPIO_ACTIVE_LOW; spi->cs_gpiod = gpiochip_request_own_desc(chip, 8 - spi->chip_select, DRV_NAME, lflags, diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index 2b59a4305077..e9eb454c2472 100644 --- a/drivers/tty/serial/8250/8250_mtk.c +++ b/drivers/tty/serial/8250/8250_mtk.c @@ -316,7 +316,7 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios, */ baud = tty_termios_baud_rate(termios); - serial8250_do_set_termios(port, termios, old); + serial8250_do_set_termios(port, termios, NULL); tty_termios_encode_baud_rate(termios, baud, baud); diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index a01ef953c8dd..d1f8840e871d 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -362,6 +362,12 @@ static inline bool is_imx7ulp_lpuart(struct lpuart_port *sport) return sport->devtype == IMX7ULP_LPUART; } +static inline bool is_layerscape_lpuart(struct lpuart_port *sport) +{ + return (sport->devtype == LS1021A_LPUART || + sport->devtype == LS1028A_LPUART); +} + static inline bool is_imx8qxp_lpuart(struct lpuart_port *sport) { return sport->devtype == IMX8QXP_LPUART; @@ -1815,6 +1821,17 @@ static int lpuart32_startup(struct uart_port *port) sport->rxfifo_size = UARTFIFO_DEPTH((temp >> UARTFIFO_RXSIZE_OFF) & UARTFIFO_FIFOSIZE_MASK); + /* + * The LS1021A and LS1028A have a fixed FIFO depth of 16 words. + * Although they support the RX/TXSIZE fields, their encoding is + * different. Eg the reference manual states 0b101 is 16 words. + */ + if (is_layerscape_lpuart(sport)) { + sport->rxfifo_size = 16; + sport->txfifo_size = 16; + sport->port.fifosize = sport->txfifo_size; + } + lpuart32_hw_setup(sport); return 0; diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index d22ccb32aa9b..8507f18900d0 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -1283,6 +1283,9 @@ static int __init serial_txx9_init(void) #ifdef ENABLE_SERIAL_TXX9_PCI ret = pci_register_driver(&serial_txx9_pci_driver); + if (ret) { + platform_driver_unregister(&serial_txx9_plat_driver); + } #endif if (ret == 0) goto out; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index d07a9c9c7608..c55b6d7ccaf7 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -4620,27 +4620,6 @@ static int con_font_default(struct vc_data *vc, struct console_font_op *op) return rc; } -static int con_font_copy(struct vc_data *vc, struct console_font_op *op) -{ - int con = op->height; - int rc; - - - console_lock(); - if (vc->vc_mode != KD_TEXT) - rc = -EINVAL; - else if (!vc->vc_sw->con_font_copy) - rc = -ENOSYS; - else if (con < 0 || !vc_cons_allocated(con)) - rc = -ENOTTY; - else if (con == vc->vc_num) /* nothing to do */ - rc = 0; - else - rc = vc->vc_sw->con_font_copy(vc, con); - console_unlock(); - return rc; -} - int con_font_op(struct vc_data *vc, struct console_font_op *op) { switch (op->op) { @@ -4651,7 +4630,8 @@ int con_font_op(struct vc_data *vc, struct console_font_op *op) case KD_FONT_OP_SET_DEFAULT: return con_font_default(vc, op); case KD_FONT_OP_COPY: - return con_font_copy(vc, op); + /* was buggy and never really used */ + return -EINVAL; } return -ENOSYS; } diff --git a/drivers/usb/cdns3/gadget.h b/drivers/usb/cdns3/gadget.h index 35a4e830f955..81081000d656 100644 --- a/drivers/usb/cdns3/gadget.h +++ b/drivers/usb/cdns3/gadget.h @@ -998,7 +998,7 @@ struct cdns3_trb { #define TRB_TDL_SS_SIZE_GET(p) (((p) & GENMASK(23, 17)) >> 17) /* transfer_len bitmasks - bits 31:24 */ -#define TRB_BURST_LEN(p) (((p) << 24) & GENMASK(31, 24)) +#define TRB_BURST_LEN(p) ((unsigned int)((p) << 24) & GENMASK(31, 24)) #define TRB_BURST_LEN_GET(p) (((p) & GENMASK(31, 24)) >> 24) /* Data buffer pointer bitmasks*/ diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 4ee810531098..5ad14cdd9762 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -378,6 +378,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x0926, 0x3333), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, + /* Kingston DataTraveler 3.0 */ + { USB_DEVICE(0x0951, 0x1666), .driver_info = USB_QUIRK_NO_LPM }, + /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */ { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF }, diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 991cab9a7491..4de8e5f091cb 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -1058,10 +1058,11 @@ void dwc3_ep0_send_delayed_status(struct dwc3 *dwc) { unsigned int direction = !dwc->ep0_expect_in; + dwc->delayed_status = false; + if (dwc->ep0state != EP0_STATUS_PHASE) return; - dwc->delayed_status = false; __dwc3_ep0_do_control_status(dwc, dwc->eps[direction]); } diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c index f93732e53fd8..08db02f3172d 100644 --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -587,6 +587,7 @@ static int mtu3_gadget_stop(struct usb_gadget *g) spin_unlock_irqrestore(&mtu->lock, flags); + synchronize_irq(mtu->irq); return 0; } diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index ebd76ab07b72..36dd688b5795 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -357,11 +357,12 @@ static void cyberjack_write_bulk_callback(struct urb *urb) struct device *dev = &port->dev; int status = urb->status; unsigned long flags; + bool resubmitted = false; - set_bit(0, &port->write_urbs_free); if (status) { dev_dbg(dev, "%s - nonzero write bulk status received: %d\n", __func__, status); + set_bit(0, &port->write_urbs_free); return; } @@ -394,6 +395,8 @@ static void cyberjack_write_bulk_callback(struct urb *urb) goto exit; } + resubmitted = true; + dev_dbg(dev, "%s - priv->wrsent=%d\n", __func__, priv->wrsent); dev_dbg(dev, "%s - priv->wrfilled=%d\n", __func__, priv->wrfilled); @@ -410,6 +413,8 @@ static void cyberjack_write_bulk_callback(struct urb *urb) exit: spin_unlock_irqrestore(&priv->lock, flags); + if (!resubmitted) + set_bit(0, &port->write_urbs_free); usb_serial_port_softint(port); } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index eb5538a44ee9..741c72bd499a 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -250,6 +250,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EP06 0x0306 #define QUECTEL_PRODUCT_EM12 0x0512 #define QUECTEL_PRODUCT_RM500Q 0x0800 +#define QUECTEL_PRODUCT_EC200T 0x6026 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -1117,6 +1118,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0xff, 0x10), .driver_info = ZLP }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, @@ -1189,6 +1191,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1054, 0xff), /* Telit FT980-KS */ .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1055, 0xff), /* Telit FN980 (PCIe) */ + .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), @@ -1201,6 +1205,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1203, 0xff), /* Telit LE910Cx (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920), @@ -1215,6 +1221,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1230, 0xff), /* Telit LE910Cx (rmnet) */ + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1231, 0xff), /* Telit LE910Cx (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1260), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1261), |