diff options
| -rw-r--r-- | drivers/acpi/x86/s2idle.c | 52 | ||||
| -rw-r--r-- | drivers/base/power/domain.c | 15 | ||||
| -rw-r--r-- | drivers/base/power/wakeup.c | 5 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-amd.c | 6 | ||||
| -rw-r--r-- | drivers/platform/x86/amd/pmc.c | 4 | ||||
| -rw-r--r-- | include/linux/suspend.h | 14 | ||||
| -rw-r--r-- | kernel/power/main.c | 6 | ||||
| -rw-r--r-- | kernel/power/snapshot.c | 2 |
8 files changed, 77 insertions, 27 deletions
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index e499c60c4579..7681f6ecab67 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -59,6 +59,7 @@ static int lps0_dsm_func_mask; static guid_t lps0_dsm_guid_microsoft; static int lps0_dsm_func_mask_microsoft; +static int lps0_dsm_state; /* Device constraint entry structure */ struct lpi_device_info { @@ -320,6 +321,44 @@ static void lpi_check_constraints(void) } } +static bool acpi_s2idle_vendor_amd(void) +{ + return boot_cpu_data.x86_vendor == X86_VENDOR_AMD; +} + +static const char *acpi_sleep_dsm_state_to_str(unsigned int state) +{ + if (lps0_dsm_func_mask_microsoft || !acpi_s2idle_vendor_amd()) { + switch (state) { + case ACPI_LPS0_SCREEN_OFF: + return "screen off"; + case ACPI_LPS0_SCREEN_ON: + return "screen on"; + case ACPI_LPS0_ENTRY: + return "lps0 entry"; + case ACPI_LPS0_EXIT: + return "lps0 exit"; + case ACPI_LPS0_MS_ENTRY: + return "lps0 ms entry"; + case ACPI_LPS0_MS_EXIT: + return "lps0 ms exit"; + } + } else { + switch (state) { + case ACPI_LPS0_SCREEN_ON_AMD: + return "screen on"; + case ACPI_LPS0_SCREEN_OFF_AMD: + return "screen off"; + case ACPI_LPS0_ENTRY_AMD: + return "lps0 entry"; + case ACPI_LPS0_EXIT_AMD: + return "lps0 exit"; + } + } + + return "unknown"; +} + static void acpi_sleep_run_lps0_dsm(unsigned int func, unsigned int func_mask, guid_t dsm_guid) { union acpi_object *out_obj; @@ -331,14 +370,15 @@ static void acpi_sleep_run_lps0_dsm(unsigned int func, unsigned int func_mask, g rev_id, func, NULL); ACPI_FREE(out_obj); - acpi_handle_debug(lps0_device_handle, "_DSM function %u evaluation %s\n", - func, out_obj ? "successful" : "failed"); + lps0_dsm_state = func; + if (pm_debug_messages_on) { + acpi_handle_info(lps0_device_handle, + "%s transitioned to state %s\n", + out_obj ? "Successfully" : "Failed to", + acpi_sleep_dsm_state_to_str(lps0_dsm_state)); + } } -static bool acpi_s2idle_vendor_amd(void) -{ - return boot_cpu_data.x86_vendor == X86_VENDOR_AMD; -} static int validate_dsm(acpi_handle handle, const char *uuid, int rev, guid_t *dsm_guid) { diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 32084e38b73d..5cb2023581d4 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1632,9 +1632,6 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, dev_dbg(dev, "%s()\n", __func__); - if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(dev)) - return -EINVAL; - gpd_data = genpd_alloc_dev_data(dev, gd); if (IS_ERR(gpd_data)) return PTR_ERR(gpd_data); @@ -1676,6 +1673,9 @@ int pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev) { int ret; + if (!genpd || !dev) + return -EINVAL; + mutex_lock(&gpd_list_lock); ret = genpd_add_device(genpd, dev, dev); mutex_unlock(&gpd_list_lock); @@ -2523,6 +2523,9 @@ int of_genpd_add_device(struct of_phandle_args *genpdspec, struct device *dev) struct generic_pm_domain *genpd; int ret; + if (!dev) + return -EINVAL; + mutex_lock(&gpd_list_lock); genpd = genpd_get_from_provider(genpdspec); @@ -2939,10 +2942,10 @@ static int genpd_parse_state(struct genpd_power_state *genpd_state, err = of_property_read_u32(state_node, "min-residency-us", &residency); if (!err) - genpd_state->residency_ns = 1000 * residency; + genpd_state->residency_ns = 1000LL * residency; - genpd_state->power_on_latency_ns = 1000 * exit_latency; - genpd_state->power_off_latency_ns = 1000 * entry_latency; + genpd_state->power_on_latency_ns = 1000LL * exit_latency; + genpd_state->power_off_latency_ns = 1000LL * entry_latency; genpd_state->fwnode = &state_node->fwnode; return 0; diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index 7cc0c0cf8eaa..a917219feea6 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -19,11 +19,6 @@ #include "power.h" -#ifndef CONFIG_SUSPEND -suspend_state_t pm_suspend_target_state; -#define pm_suspend_target_state (PM_SUSPEND_ON) -#endif - #define list_for_each_entry_rcu_locked(pos, head, member) \ list_for_each_entry_rcu(pos, head, member, \ srcu_read_lock_held(&wakeup_srcu)) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index f279b360c20d..43d3530bab48 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -30,6 +30,7 @@ #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinmux.h> +#include <linux/suspend.h> #include "core.h" #include "pinctrl-utils.h" @@ -636,9 +637,8 @@ static bool do_amd_gpio_irq_handler(int irq, void *dev_id) regval = readl(regs + i); if (regval & PIN_IRQ_PENDING) - dev_dbg(&gpio_dev->pdev->dev, - "GPIO %d is active: 0x%x", - irqnr + i, regval); + pm_pr_dbg("GPIO %d is active: 0x%x", + irqnr + i, regval); /* caused wake on resume context for shared IRQ */ if (irq < 0 && (regval & BIT(WAKE_STS_OFF))) diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index 427905714f79..1304cd6f13f6 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -543,7 +543,7 @@ static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev, } if (dev) - dev_dbg(pdev->dev, "SMU idlemask s0i3: 0x%x\n", val); + pm_pr_dbg("SMU idlemask s0i3: 0x%x\n", val); if (s) seq_printf(s, "SMU idlemask : 0x%x\n", val); @@ -769,7 +769,7 @@ static int amd_pmc_verify_czn_rtc(struct amd_pmc_dev *pdev, u32 *arg) *arg |= (duration << 16); rc = rtc_alarm_irq_enable(rtc_device, 0); - dev_dbg(pdev->dev, "wakeup timer programmed for %lld seconds\n", duration); + pm_pr_dbg("wakeup timer programmed for %lld seconds\n", duration); return rc; } diff --git a/include/linux/suspend.h b/include/linux/suspend.h index d0d4598a7b3f..74f406c53ac0 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -202,6 +202,7 @@ struct platform_s2idle_ops { }; #ifdef CONFIG_SUSPEND +extern suspend_state_t pm_suspend_target_state; extern suspend_state_t mem_sleep_current; extern suspend_state_t mem_sleep_default; @@ -337,6 +338,8 @@ extern bool sync_on_suspend_enabled; #else /* !CONFIG_SUSPEND */ #define suspend_valid_only_mem NULL +#define pm_suspend_target_state (PM_SUSPEND_ON) + static inline void pm_suspend_clear_flags(void) {} static inline void pm_set_suspend_via_firmware(void) {} static inline void pm_set_resume_via_firmware(void) {} @@ -468,6 +471,8 @@ static inline int hibernate_quiet_exec(int (*func)(void *data), void *data) { } #endif /* CONFIG_HIBERNATION */ +int arch_resume_nosmt(void); + #ifdef CONFIG_HIBERNATION_SNAPSHOT_DEV int is_hibernate_resume_dev(dev_t dev); #else @@ -503,7 +508,6 @@ extern void pm_report_max_hw_sleep(u64 t); /* drivers/base/power/wakeup.c */ extern bool events_check_enabled; -extern suspend_state_t pm_suspend_target_state; extern bool pm_wakeup_pending(void); extern void pm_system_wakeup(void); @@ -551,6 +555,7 @@ static inline void unlock_system_sleep(unsigned int flags) {} #ifdef CONFIG_PM_SLEEP_DEBUG extern bool pm_print_times_enabled; extern bool pm_debug_messages_on; +extern bool pm_debug_messages_should_print(void); static inline int pm_dyn_debug_messages_on(void) { #ifdef CONFIG_DYNAMIC_DEBUG @@ -564,14 +569,14 @@ static inline int pm_dyn_debug_messages_on(void) #endif #define __pm_pr_dbg(fmt, ...) \ do { \ - if (pm_debug_messages_on) \ + if (pm_debug_messages_should_print()) \ printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \ else if (pm_dyn_debug_messages_on()) \ pr_debug(fmt, ##__VA_ARGS__); \ } while (0) #define __pm_deferred_pr_dbg(fmt, ...) \ do { \ - if (pm_debug_messages_on) \ + if (pm_debug_messages_should_print()) \ printk_deferred(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \ } while (0) #else @@ -589,7 +594,8 @@ static inline int pm_dyn_debug_messages_on(void) /** * pm_pr_dbg - print pm sleep debug messages * - * If pm_debug_messages_on is enabled, print message. + * If pm_debug_messages_on is enabled and the system is entering/leaving + * suspend, print message. * If pm_debug_messages_on is disabled and CONFIG_DYNAMIC_DEBUG is enabled, * print message only from instances explicitly enabled on dynamic debug's * control. diff --git a/kernel/power/main.c b/kernel/power/main.c index 3113ec2f1db4..daa535012e51 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -556,6 +556,12 @@ power_attr_ro(pm_wakeup_irq); bool pm_debug_messages_on __read_mostly; +bool pm_debug_messages_should_print(void) +{ + return pm_debug_messages_on && pm_suspend_target_state != PM_SUSPEND_ON; +} +EXPORT_SYMBOL_GPL(pm_debug_messages_should_print); + static ssize_t pm_debug_messages_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index cd8b7b35f1e8..b27affb7503f 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -398,7 +398,7 @@ struct mem_zone_bm_rtree { unsigned int blocks; /* Number of Bitmap Blocks */ }; -/* strcut bm_position is used for browsing memory bitmaps */ +/* struct bm_position is used for browsing memory bitmaps */ struct bm_position { struct mem_zone_bm_rtree *zone; |