diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/hibernate.c | 9 | ||||
| -rw-r--r-- | kernel/power/suspend.c | 4 |
2 files changed, 13 insertions, 0 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 1832bd2642192..aeabd26e33427 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -23,6 +23,7 @@ #include <linux/cpu.h> #include <linux/freezer.h> #include <linux/gfp.h> +#include <linux/syscore_ops.h> #include <scsi/scsi_scan.h> #include <asm/suspend.h> @@ -272,6 +273,8 @@ static int create_image(int platform_mode) local_irq_disable(); error = sysdev_suspend(PMSG_FREEZE); + if (!error) + error = syscore_suspend(); if (error) { printk(KERN_ERR "PM: Some system devices failed to power down, " "aborting hibernation\n"); @@ -295,6 +298,7 @@ static int create_image(int platform_mode) } Power_up: + syscore_resume(); sysdev_resume(); /* NOTE: dpm_resume_noirq() is just a resume() for devices * that suspended with irqs off ... no overall powerup. @@ -403,6 +407,8 @@ static int resume_target_kernel(bool platform_mode) local_irq_disable(); error = sysdev_suspend(PMSG_QUIESCE); + if (!error) + error = syscore_suspend(); if (error) goto Enable_irqs; @@ -429,6 +435,7 @@ static int resume_target_kernel(bool platform_mode) restore_processor_state(); touch_softlockup_watchdog(); + syscore_resume(); sysdev_resume(); Enable_irqs: @@ -516,6 +523,7 @@ int hibernation_platform_enter(void) local_irq_disable(); sysdev_suspend(PMSG_HIBERNATE); + syscore_suspend(); if (pm_wakeup_pending()) { error = -EAGAIN; goto Power_up; @@ -526,6 +534,7 @@ int hibernation_platform_enter(void) while (1); Power_up: + syscore_resume(); sysdev_resume(); local_irq_enable(); enable_nonboot_cpus(); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index de6f86bfa3038..2814c32aed51c 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -22,6 +22,7 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/suspend.h> +#include <linux/syscore_ops.h> #include <trace/events/power.h> #include "power.h" @@ -163,11 +164,14 @@ static int suspend_enter(suspend_state_t state) BUG_ON(!irqs_disabled()); error = sysdev_suspend(PMSG_SUSPEND); + if (!error) + error = syscore_suspend(); if (!error) { if (!(suspend_test(TEST_CORE) || pm_wakeup_pending())) { error = suspend_ops->enter(state); events_check_enabled = false; } + syscore_resume(); sysdev_resume(); } |