diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/base | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/arch_numa.c | 2 | ||||
-rw-r--r-- | drivers/base/cacheinfo.c | 51 | ||||
-rw-r--r-- | drivers/base/class.c | 6 | ||||
-rw-r--r-- | drivers/base/core.c | 16 | ||||
-rw-r--r-- | drivers/base/firmware_loader/fallback.c | 10 | ||||
-rw-r--r-- | drivers/base/firmware_loader/fallback.h | 4 | ||||
-rw-r--r-- | drivers/base/firmware_loader/fallback_table.c | 1 | ||||
-rw-r--r-- | drivers/base/firmware_loader/firmware.h | 1 | ||||
-rw-r--r-- | drivers/base/firmware_loader/main.c | 9 | ||||
-rw-r--r-- | drivers/base/platform.c | 71 | ||||
-rw-r--r-- | drivers/base/power/common.c | 21 | ||||
-rw-r--r-- | drivers/base/power/domain.c | 46 | ||||
-rw-r--r-- | drivers/base/regmap/regmap-kunit.c | 68 | ||||
-rw-r--r-- | drivers/base/test/Kconfig | 4 | ||||
-rw-r--r-- | drivers/base/test/property-entry-test.c | 4 |
15 files changed, 236 insertions, 78 deletions
diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c index eaa31e567d..5b59d133b6 100644 --- a/drivers/base/arch_numa.c +++ b/drivers/base/arch_numa.c @@ -144,7 +144,7 @@ void __init early_map_cpu_to_node(unsigned int cpu, int nid) unsigned long __per_cpu_offset[NR_CPUS] __read_mostly; EXPORT_SYMBOL(__per_cpu_offset); -static int __init early_cpu_to_node(int cpu) +int __init early_cpu_to_node(int cpu) { return cpu_to_node_map[cpu]; } diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index cbae8be1fe..f1e79263fe 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -898,6 +898,48 @@ err: return rc; } +/* + * Calculate the size of the per-CPU data cache slice. This can be + * used to estimate the size of the data cache slice that can be used + * by one CPU under ideal circumstances. UNIFIED caches are counted + * in addition to DATA caches. So, please consider code cache usage + * when use the result. + * + * Because the cache inclusive/non-inclusive information isn't + * available, we just use the size of the per-CPU slice of LLC to make + * the result more predictable across architectures. + */ +static void update_per_cpu_data_slice_size_cpu(unsigned int cpu) +{ + struct cpu_cacheinfo *ci; + struct cacheinfo *llc; + unsigned int nr_shared; + + if (!last_level_cache_is_valid(cpu)) + return; + + ci = ci_cacheinfo(cpu); + llc = per_cpu_cacheinfo_idx(cpu, cache_leaves(cpu) - 1); + + if (llc->type != CACHE_TYPE_DATA && llc->type != CACHE_TYPE_UNIFIED) + return; + + nr_shared = cpumask_weight(&llc->shared_cpu_map); + if (nr_shared) + ci->per_cpu_data_slice_size = llc->size / nr_shared; +} + +static void update_per_cpu_data_slice_size(bool cpu_online, unsigned int cpu) +{ + unsigned int icpu; + + for_each_online_cpu(icpu) { + if (!cpu_online && icpu == cpu) + continue; + update_per_cpu_data_slice_size_cpu(icpu); + } +} + static int cacheinfo_cpu_online(unsigned int cpu) { int rc = detect_cache_attributes(cpu); @@ -906,7 +948,12 @@ static int cacheinfo_cpu_online(unsigned int cpu) return rc; rc = cache_add_dev(cpu); if (rc) - free_cache_attributes(cpu); + goto err; + update_per_cpu_data_slice_size(true, cpu); + setup_pcp_cacheinfo(); + return 0; +err: + free_cache_attributes(cpu); return rc; } @@ -916,6 +963,8 @@ static int cacheinfo_cpu_pre_down(unsigned int cpu) cpu_cache_sysfs_exit(cpu); free_cache_attributes(cpu); + update_per_cpu_data_slice_size(false, cpu); + setup_pcp_cacheinfo(); return 0; } diff --git a/drivers/base/class.c b/drivers/base/class.c index 9cd489a577..7b38fdf8e1 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -193,10 +193,8 @@ int class_register(const struct class *cls) lockdep_register_key(key); __mutex_init(&cp->mutex, "subsys mutex", key); error = kobject_set_name(&cp->subsys.kobj, "%s", cls->name); - if (error) { - kfree(cp); - return error; - } + if (error) + goto err_out; cp->subsys.kobj.kset = class_kset; cp->subsys.kobj.ktype = &class_ktype; diff --git a/drivers/base/core.c b/drivers/base/core.c index 4d8b315c48..f9fb692491 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -49,6 +49,7 @@ static bool fw_devlink_best_effort; * __fwnode_link_add - Create a link between two fwnode_handles. * @con: Consumer end of the link. * @sup: Supplier end of the link. + * @flags: Link flags. * * Create a fwnode link between fwnode handles @con and @sup. The fwnode link * represents the detail that the firmware lists @sup fwnode as supplying a @@ -283,10 +284,12 @@ static bool device_is_ancestor(struct device *dev, struct device *target) return false; } +#define DL_MARKER_FLAGS (DL_FLAG_INFERRED | \ + DL_FLAG_CYCLE | \ + DL_FLAG_MANAGED) static inline bool device_link_flag_is_sync_state_only(u32 flags) { - return (flags & ~(DL_FLAG_INFERRED | DL_FLAG_CYCLE)) == - (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED); + return (flags & ~DL_MARKER_FLAGS) == DL_FLAG_SYNC_STATE_ONLY; } /** @@ -2057,9 +2060,14 @@ static int fw_devlink_create_devlink(struct device *con, /* * SYNC_STATE_ONLY device links don't block probing and supports cycles. - * So cycle detection isn't necessary and shouldn't be done. + * So, one might expect that cycle detection isn't necessary for them. + * However, if the device link was marked as SYNC_STATE_ONLY because + * it's part of a cycle, then we still need to do cycle detection. This + * is because the consumer and supplier might be part of multiple cycles + * and we need to detect all those cycles. */ - if (!(flags & DL_FLAG_SYNC_STATE_ONLY)) { + if (!device_link_flag_is_sync_state_only(flags) || + flags & DL_FLAG_CYCLE) { device_links_write_lock(); if (__fw_devlink_relax_cycles(con, sup_handle)) { __fwnode_link_cycle(link); diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index bf68e39478..3ef0b312ae 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -46,7 +46,7 @@ static inline int fw_sysfs_wait_timeout(struct fw_priv *fw_priv, long timeout) static LIST_HEAD(pending_fw_head); -void kill_pending_fw_fallback_reqs(bool only_kill_custom) +void kill_pending_fw_fallback_reqs(bool kill_all) { struct fw_priv *fw_priv; struct fw_priv *next; @@ -54,9 +54,13 @@ void kill_pending_fw_fallback_reqs(bool only_kill_custom) mutex_lock(&fw_lock); list_for_each_entry_safe(fw_priv, next, &pending_fw_head, pending_list) { - if (!fw_priv->need_uevent || !only_kill_custom) + if (kill_all || !fw_priv->need_uevent) __fw_load_abort(fw_priv); } + + if (kill_all) + fw_load_abort_all = true; + mutex_unlock(&fw_lock); } @@ -86,7 +90,7 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs, long timeout) } mutex_lock(&fw_lock); - if (fw_state_is_aborted(fw_priv)) { + if (fw_load_abort_all || fw_state_is_aborted(fw_priv)) { mutex_unlock(&fw_lock); retval = -EINTR; goto out; diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index 1441485956..ccf912bef6 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -13,7 +13,7 @@ int firmware_fallback_sysfs(struct firmware *fw, const char *name, struct device *device, u32 opt_flags, int ret); -void kill_pending_fw_fallback_reqs(bool only_kill_custom); +void kill_pending_fw_fallback_reqs(bool kill_all); void fw_fallback_set_cache_timeout(void); void fw_fallback_set_default_timeout(void); @@ -28,7 +28,7 @@ static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name, return ret; } -static inline void kill_pending_fw_fallback_reqs(bool only_kill_custom) { } +static inline void kill_pending_fw_fallback_reqs(bool kill_all) { } static inline void fw_fallback_set_cache_timeout(void) { } static inline void fw_fallback_set_default_timeout(void) { } #endif /* CONFIG_FW_LOADER_USER_HELPER */ diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c index e5ac098d07..8432ab2c3b 100644 --- a/drivers/base/firmware_loader/fallback_table.c +++ b/drivers/base/firmware_loader/fallback_table.c @@ -44,7 +44,6 @@ static struct ctl_table firmware_config_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - { } }; static struct ctl_table_header *firmware_config_sysct_table_header; diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h index bf549d6500..e891742ba2 100644 --- a/drivers/base/firmware_loader/firmware.h +++ b/drivers/base/firmware_loader/firmware.h @@ -86,6 +86,7 @@ struct fw_priv { extern struct mutex fw_lock; extern struct firmware_cache fw_cache; +extern bool fw_load_abort_all; static inline bool __fw_state_check(struct fw_priv *fw_priv, enum fw_status status) diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index b58c42f1b1..ea28102d42 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -93,6 +93,7 @@ static inline struct fw_priv *to_fw_priv(struct kref *ref) DEFINE_MUTEX(fw_lock); struct firmware_cache fw_cache; +bool fw_load_abort_all; void fw_state_init(struct fw_priv *fw_priv) { @@ -1524,10 +1525,10 @@ static int fw_pm_notify(struct notifier_block *notify_block, case PM_SUSPEND_PREPARE: case PM_RESTORE_PREPARE: /* - * kill pending fallback requests with a custom fallback - * to avoid stalling suspend. + * Here, kill pending fallback requests will only kill + * non-uevent firmware request to avoid stalling suspend. */ - kill_pending_fw_fallback_reqs(true); + kill_pending_fw_fallback_reqs(false); device_cache_fw_images(); break; @@ -1612,7 +1613,7 @@ static int fw_shutdown_notify(struct notifier_block *unused1, * Kill all pending fallback requests to avoid both stalling shutdown, * and avoid a deadlock with the usermode_lock. */ - kill_pending_fw_fallback_reqs(false); + kill_pending_fw_fallback_reqs(true); return NOTIFY_DONE; } diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 76bfcba250..10c5779634 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -178,18 +178,19 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num) ret = dev->archdata.irqs[num]; goto out; #else + struct fwnode_handle *fwnode = dev_fwnode(&dev->dev); struct resource *r; - if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) { - ret = of_irq_get(dev->dev.of_node, num); + if (is_of_node(fwnode)) { + ret = of_irq_get(to_of_node(fwnode), num); if (ret > 0 || ret == -EPROBE_DEFER) goto out; } r = platform_get_resource(dev, IORESOURCE_IRQ, num); - if (has_acpi_companion(&dev->dev)) { + if (is_acpi_device_node(fwnode)) { if (r && r->flags & IORESOURCE_DISABLED) { - ret = acpi_irq_get(ACPI_HANDLE(&dev->dev), num, r); + ret = acpi_irq_get(ACPI_HANDLE_FWNODE(fwnode), num, r); if (ret) goto out; } @@ -222,8 +223,8 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num) * the device will only expose one IRQ, and this fallback * allows a common code path across either kind of resource. */ - if (num == 0 && has_acpi_companion(&dev->dev)) { - ret = acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num); + if (num == 0 && is_acpi_device_node(fwnode)) { + ret = acpi_dev_gpio_irq_get(to_acpi_device_node(fwnode), num); /* Our callers expect -ENXIO for missing IRQs. */ if (ret >= 0 || ret == -EPROBE_DEFER) goto out; @@ -291,7 +292,7 @@ EXPORT_SYMBOL_GPL(platform_irq_count); struct irq_affinity_devres { unsigned int count; - unsigned int irq[]; + unsigned int irq[] __counted_by(count); }; static void platform_disable_acpi_irq(struct platform_device *pdev, int index) @@ -312,7 +313,7 @@ static void devm_platform_get_irqs_affinity_release(struct device *dev, for (i = 0; i < ptr->count; i++) { irq_dispose_mapping(ptr->irq[i]); - if (has_acpi_companion(dev)) + if (is_acpi_device_node(dev_fwnode(dev))) platform_disable_acpi_irq(to_platform_device(dev), i); } } @@ -655,23 +656,21 @@ EXPORT_SYMBOL_GPL(platform_device_add_data); */ int platform_device_add(struct platform_device *pdev) { + struct device *dev = &pdev->dev; u32 i; int ret; - if (!pdev) - return -EINVAL; - - if (!pdev->dev.parent) - pdev->dev.parent = &platform_bus; + if (!dev->parent) + dev->parent = &platform_bus; - pdev->dev.bus = &platform_bus_type; + dev->bus = &platform_bus_type; switch (pdev->id) { default: - dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id); + dev_set_name(dev, "%s.%d", pdev->name, pdev->id); break; case PLATFORM_DEVID_NONE: - dev_set_name(&pdev->dev, "%s", pdev->name); + dev_set_name(dev, "%s", pdev->name); break; case PLATFORM_DEVID_AUTO: /* @@ -681,10 +680,10 @@ int platform_device_add(struct platform_device *pdev) */ ret = ida_alloc(&platform_devid_ida, GFP_KERNEL); if (ret < 0) - goto err_out; + return ret; pdev->id = ret; pdev->id_auto = true; - dev_set_name(&pdev->dev, "%s.%d.auto", pdev->name, pdev->id); + dev_set_name(dev, "%s.%d.auto", pdev->name, pdev->id); break; } @@ -692,7 +691,7 @@ int platform_device_add(struct platform_device *pdev) struct resource *p, *r = &pdev->resource[i]; if (r->name == NULL) - r->name = dev_name(&pdev->dev); + r->name = dev_name(dev); p = r->parent; if (!p) { @@ -705,18 +704,20 @@ int platform_device_add(struct platform_device *pdev) if (p) { ret = insert_resource(p, r); if (ret) { - dev_err(&pdev->dev, "failed to claim resource %d: %pR\n", i, r); + dev_err(dev, "failed to claim resource %d: %pR\n", i, r); goto failed; } } } - pr_debug("Registering platform device '%s'. Parent at %s\n", - dev_name(&pdev->dev), dev_name(pdev->dev.parent)); + pr_debug("Registering platform device '%s'. Parent at %s\n", dev_name(dev), + dev_name(dev->parent)); - ret = device_add(&pdev->dev); - if (ret == 0) - return ret; + ret = device_add(dev); + if (ret) + goto failed; + + return 0; failed: if (pdev->id_auto) { @@ -730,7 +731,6 @@ int platform_device_add(struct platform_device *pdev) release_resource(r); } - err_out: return ret; } EXPORT_SYMBOL_GPL(platform_device_add); @@ -1447,21 +1447,22 @@ static void platform_shutdown(struct device *_dev) static int platform_dma_configure(struct device *dev) { struct platform_driver *drv = to_platform_driver(dev->driver); + struct fwnode_handle *fwnode = dev_fwnode(dev); enum dev_dma_attr attr; int ret = 0; - if (dev->of_node) { - ret = of_dma_configure(dev, dev->of_node, true); - } else if (has_acpi_companion(dev)) { - attr = acpi_get_dma_attr(to_acpi_device_node(dev->fwnode)); + if (is_of_node(fwnode)) { + ret = of_dma_configure(dev, to_of_node(fwnode), true); + } else if (is_acpi_device_node(fwnode)) { + attr = acpi_get_dma_attr(to_acpi_device_node(fwnode)); ret = acpi_dma_configure(dev, attr); } + if (ret || drv->driver_managed_dma) + return ret; - if (!ret && !drv->driver_managed_dma) { - ret = iommu_device_use_default_domain(dev); - if (ret) - arch_teardown_dma_ops(dev); - } + ret = iommu_device_use_default_domain(dev); + if (ret) + arch_teardown_dma_ops(dev); return ret; } diff --git a/drivers/base/power/common.c b/drivers/base/power/common.c index 72115917e0..44ec20918a 100644 --- a/drivers/base/power/common.c +++ b/drivers/base/power/common.c @@ -228,3 +228,24 @@ void dev_pm_domain_set(struct device *dev, struct dev_pm_domain *pd) device_pm_check_callbacks(dev); } EXPORT_SYMBOL_GPL(dev_pm_domain_set); + +/** + * dev_pm_domain_set_performance_state - Request a new performance state. + * @dev: The device to make the request for. + * @state: Target performance state for the device. + * + * This function should be called when a new performance state needs to be + * requested for a device that is attached to a PM domain. Note that, the + * support for performance scaling for PM domains is optional. + * + * Returns 0 on success and when performance scaling isn't supported, negative + * error code on failure. + */ +int dev_pm_domain_set_performance_state(struct device *dev, unsigned int state) +{ + if (dev->pm_domain && dev->pm_domain->set_performance_state) + return dev->pm_domain->set_performance_state(dev, state); + + return 0; +} +EXPORT_SYMBOL_GPL(dev_pm_domain_set_performance_state); diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 5cb2023581..011948f02b 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -130,6 +130,7 @@ static const struct genpd_lock_ops genpd_spin_ops = { #define genpd_is_active_wakeup(genpd) (genpd->flags & GENPD_FLAG_ACTIVE_WAKEUP) #define genpd_is_cpu_domain(genpd) (genpd->flags & GENPD_FLAG_CPU_DOMAIN) #define genpd_is_rpm_always_on(genpd) (genpd->flags & GENPD_FLAG_RPM_ALWAYS_ON) +#define genpd_is_opp_table_fw(genpd) (genpd->flags & GENPD_FLAG_OPP_TABLE_FW) static inline bool irq_safe_dev_in_sleep_domain(struct device *dev, const struct generic_pm_domain *genpd) @@ -419,6 +420,25 @@ static void genpd_restore_performance_state(struct device *dev, genpd_set_performance_state(dev, state); } +static int genpd_dev_pm_set_performance_state(struct device *dev, + unsigned int state) +{ + struct generic_pm_domain *genpd = dev_to_genpd(dev); + int ret = 0; + + genpd_lock(genpd); + if (pm_runtime_suspended(dev)) { + dev_gpd_data(dev)->rpm_pstate = state; + } else { + ret = genpd_set_performance_state(dev, state); + if (!ret) + dev_gpd_data(dev)->rpm_pstate = 0; + } + genpd_unlock(genpd); + + return ret; +} + /** * dev_pm_genpd_set_performance_state- Set performance state of device's power * domain. @@ -437,7 +457,6 @@ static void genpd_restore_performance_state(struct device *dev, int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state) { struct generic_pm_domain *genpd; - int ret = 0; genpd = dev_to_genpd_safe(dev); if (!genpd) @@ -447,17 +466,7 @@ int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state) !dev->power.subsys_data->domain_data)) return -EINVAL; - genpd_lock(genpd); - if (pm_runtime_suspended(dev)) { - dev_gpd_data(dev)->rpm_pstate = state; - } else { - ret = genpd_set_performance_state(dev, state); - if (!ret) - dev_gpd_data(dev)->rpm_pstate = 0; - } - genpd_unlock(genpd); - - return ret; + return genpd_dev_pm_set_performance_state(dev, state); } EXPORT_SYMBOL_GPL(dev_pm_genpd_set_performance_state); @@ -1102,7 +1111,7 @@ static int __init genpd_power_off_unused(void) return 0; } -late_initcall(genpd_power_off_unused); +late_initcall_sync(genpd_power_off_unused); #ifdef CONFIG_PM_SLEEP @@ -2079,6 +2088,7 @@ int pm_genpd_init(struct generic_pm_domain *genpd, genpd->domain.ops.restore_noirq = genpd_restore_noirq; genpd->domain.ops.complete = genpd_complete; genpd->domain.start = genpd_dev_pm_start; + genpd->domain.set_performance_state = genpd_dev_pm_set_performance_state; if (genpd->flags & GENPD_FLAG_PM_CLK) { genpd->dev_ops.stop = pm_clk_suspend; @@ -2328,7 +2338,7 @@ int of_genpd_add_provider_simple(struct device_node *np, genpd->dev.of_node = np; /* Parse genpd OPP table */ - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { ret = dev_pm_opp_of_add_table(&genpd->dev); if (ret) return dev_err_probe(&genpd->dev, ret, "Failed to add OPP table\n"); @@ -2343,7 +2353,7 @@ int of_genpd_add_provider_simple(struct device_node *np, ret = genpd_add_provider(np, genpd_xlate_simple, genpd); if (ret) { - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { dev_pm_opp_put_opp_table(genpd->opp_table); dev_pm_opp_of_remove_table(&genpd->dev); } @@ -2387,7 +2397,7 @@ int of_genpd_add_provider_onecell(struct device_node *np, genpd->dev.of_node = np; /* Parse genpd OPP table */ - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { ret = dev_pm_opp_of_add_table_indexed(&genpd->dev, i); if (ret) { dev_err_probe(&genpd->dev, ret, @@ -2423,7 +2433,7 @@ error: genpd->provider = NULL; genpd->has_provider = false; - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { dev_pm_opp_put_opp_table(genpd->opp_table); dev_pm_opp_of_remove_table(&genpd->dev); } @@ -2455,7 +2465,7 @@ void of_genpd_del_provider(struct device_node *np) if (gpd->provider == &np->fwnode) { gpd->has_provider = false; - if (!gpd->set_performance_state) + if (genpd_is_opp_table_fw(gpd) || !gpd->set_performance_state) continue; dev_pm_opp_put_opp_table(gpd->opp_table); diff --git a/drivers/base/regmap/regmap-kunit.c b/drivers/base/regmap/regmap-kunit.c index 264d29b3fc..e14cc03a17 100644 --- a/drivers/base/regmap/regmap-kunit.c +++ b/drivers/base/regmap/regmap-kunit.c @@ -442,10 +442,18 @@ static struct regmap_range_cfg test_range = { .range_max = 40, }; -static bool test_range_volatile(struct device *dev, unsigned int reg) +static bool test_range_window_volatile(struct device *dev, unsigned int reg) { if (reg >= test_range.window_start && - reg <= test_range.selector_reg + test_range.window_len) + reg <= test_range.window_start + test_range.window_len) + return true; + + return false; +} + +static bool test_range_all_volatile(struct device *dev, unsigned int reg) +{ + if (test_range_window_volatile(dev, reg)) return true; if (reg >= test_range.range_min && reg <= test_range.range_max) @@ -465,7 +473,7 @@ static void basic_ranges(struct kunit *test) config = test_regmap_config; config.cache_type = t->type; - config.volatile_reg = test_range_volatile; + config.volatile_reg = test_range_all_volatile; config.ranges = &test_range; config.num_ranges = 1; config.max_register = test_range.range_max; @@ -875,6 +883,59 @@ static void cache_present(struct kunit *test) regmap_exit(map); } +/* Check that caching the window register works with sync */ +static void cache_range_window_reg(struct kunit *test) +{ + struct regcache_types *t = (struct regcache_types *)test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int val; + int i; + + config = test_regmap_config; + config.cache_type = t->type; + config.volatile_reg = test_range_window_volatile; + config.ranges = &test_range; + config.num_ranges = 1; + config.max_register = test_range.range_max; + + map = gen_regmap(&config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + /* Write new values to the entire range */ + for (i = test_range.range_min; i <= test_range.range_max; i++) + KUNIT_ASSERT_EQ(test, 0, regmap_write(map, i, 0)); + + val = data->vals[test_range.selector_reg] & test_range.selector_mask; + KUNIT_ASSERT_EQ(test, val, 2); + + /* Write to the first register in the range to reset the page */ + KUNIT_ASSERT_EQ(test, 0, regmap_write(map, test_range.range_min, 0)); + val = data->vals[test_range.selector_reg] & test_range.selector_mask; + KUNIT_ASSERT_EQ(test, val, 0); + + /* Trigger a cache sync */ + regcache_mark_dirty(map); + KUNIT_ASSERT_EQ(test, 0, regcache_sync(map)); + + /* Write to the first register again, the page should be reset */ + KUNIT_ASSERT_EQ(test, 0, regmap_write(map, test_range.range_min, 0)); + val = data->vals[test_range.selector_reg] & test_range.selector_mask; + KUNIT_ASSERT_EQ(test, val, 0); + + /* Trigger another cache sync */ + regcache_mark_dirty(map); + KUNIT_ASSERT_EQ(test, 0, regcache_sync(map)); + + /* Write to the last register again, the page should be reset */ + KUNIT_ASSERT_EQ(test, 0, regmap_write(map, test_range.range_max, 0)); + val = data->vals[test_range.selector_reg] & test_range.selector_mask; + KUNIT_ASSERT_EQ(test, val, 2); +} + struct raw_test_types { const char *name; @@ -1217,6 +1278,7 @@ static struct kunit_case regmap_test_cases[] = { KUNIT_CASE_PARAM(cache_sync_patch, real_cache_types_gen_params), KUNIT_CASE_PARAM(cache_drop, sparse_cache_types_gen_params), KUNIT_CASE_PARAM(cache_present, sparse_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_range_window_reg, real_cache_types_gen_params), KUNIT_CASE_PARAM(raw_read_defaults_single, raw_test_types_gen_params), KUNIT_CASE_PARAM(raw_read_defaults, raw_test_types_gen_params), diff --git a/drivers/base/test/Kconfig b/drivers/base/test/Kconfig index 9d42051f8f..5c7fac8061 100644 --- a/drivers/base/test/Kconfig +++ b/drivers/base/test/Kconfig @@ -14,6 +14,6 @@ config DM_KUNIT_TEST depends on KUNIT config DRIVER_PE_KUNIT_TEST - bool "KUnit Tests for property entry API" if !KUNIT_ALL_TESTS - depends on KUNIT=y + tristate "KUnit Tests for property entry API" if !KUNIT_ALL_TESTS + depends on KUNIT default KUNIT_ALL_TESTS diff --git a/drivers/base/test/property-entry-test.c b/drivers/base/test/property-entry-test.c index dd2b606d76..a8657eb06f 100644 --- a/drivers/base/test/property-entry-test.c +++ b/drivers/base/test/property-entry-test.c @@ -506,3 +506,7 @@ static struct kunit_suite property_entry_test_suite = { }; kunit_test_suite(property_entry_test_suite); + +MODULE_DESCRIPTION("Test module for the property entry API"); +MODULE_AUTHOR("Dmitry Torokhov <dtor@chromium.org>"); +MODULE_LICENSE("GPL"); |