diff options
Diffstat (limited to 'drivers/base/power/main.c')
-rw-r--r-- | drivers/base/power/main.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 9cb845e4933..0113adc310d 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -28,7 +28,7 @@ #include <linux/sched.h> #include <linux/async.h> #include <linux/suspend.h> - +#include <linux/cpuidle.h> #include "../base.h" #include "power.h" @@ -45,10 +45,10 @@ typedef int (*pm_callback_t)(struct device *); */ LIST_HEAD(dpm_list); -LIST_HEAD(dpm_prepared_list); -LIST_HEAD(dpm_suspended_list); -LIST_HEAD(dpm_late_early_list); -LIST_HEAD(dpm_noirq_list); +static LIST_HEAD(dpm_prepared_list); +static LIST_HEAD(dpm_suspended_list); +static LIST_HEAD(dpm_late_early_list); +static LIST_HEAD(dpm_noirq_list); struct suspend_stats suspend_stats; static DEFINE_MUTEX(dpm_list_mtx); @@ -166,7 +166,7 @@ static ktime_t initcall_debug_start(struct device *dev) { ktime_t calltime = ktime_set(0, 0); - if (initcall_debug) { + if (pm_print_times_enabled) { pr_info("calling %s+ @ %i, parent: %s\n", dev_name(dev), task_pid_nr(current), dev->parent ? dev_name(dev->parent) : "none"); @@ -181,7 +181,7 @@ static void initcall_debug_report(struct device *dev, ktime_t calltime, { ktime_t delta, rettime; - if (initcall_debug) { + if (pm_print_times_enabled) { rettime = ktime_get(); delta = ktime_sub(rettime, calltime); pr_info("call %s+ returned %d after %Ld usecs\n", dev_name(dev), @@ -467,6 +467,7 @@ static void dpm_resume_noirq(pm_message_t state) mutex_unlock(&dpm_list_mtx); dpm_show_time(starttime, state, "noirq"); resume_device_irqs(); + cpuidle_resume(); } /** @@ -867,6 +868,7 @@ static int dpm_suspend_noirq(pm_message_t state) ktime_t starttime = ktime_get(); int error = 0; + cpuidle_pause(); suspend_device_irqs(); mutex_lock(&dpm_list_mtx); while (!list_empty(&dpm_late_early_list)) { @@ -989,8 +991,16 @@ static int dpm_suspend_late(pm_message_t state) int dpm_suspend_end(pm_message_t state) { int error = dpm_suspend_late(state); + if (error) + return error; + + error = dpm_suspend_noirq(state); + if (error) { + dpm_resume_early(state); + return error; + } - return error ? : dpm_suspend_noirq(state); + return 0; } EXPORT_SYMBOL_GPL(dpm_suspend_end); |