diff options
Diffstat (limited to 'drivers/base/syscore.c')
| -rw-r--r-- | drivers/base/syscore.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c index 90af2943f9e..dbb8350ea8d 100644 --- a/drivers/base/syscore.c +++ b/drivers/base/syscore.c @@ -9,6 +9,8 @@ #include <linux/syscore_ops.h> #include <linux/mutex.h> #include <linux/module.h> +#include <linux/interrupt.h> +#include <trace/events/power.h> static LIST_HEAD(syscore_ops_list); static DEFINE_MUTEX(syscore_ops_lock); @@ -48,6 +50,14 @@ int syscore_suspend(void) struct syscore_ops *ops; int ret = 0; + trace_suspend_resume(TPS("syscore_suspend"), 0, true); + pr_debug("Checking wakeup interrupts\n"); + + /* Return error code if there are any wakeup interrupts pending. */ + ret = check_wakeup_irqs(); + if (ret) + return ret; + WARN_ONCE(!irqs_disabled(), "Interrupts enabled before system core suspend.\n"); @@ -62,6 +72,7 @@ int syscore_suspend(void) "Interrupts enabled after %pF\n", ops->suspend); } + trace_suspend_resume(TPS("syscore_suspend"), 0, false); return 0; err_out: @@ -73,6 +84,7 @@ int syscore_suspend(void) return ret; } +EXPORT_SYMBOL_GPL(syscore_suspend); /** * syscore_resume - Execute all the registered system core resume callbacks. @@ -83,6 +95,7 @@ void syscore_resume(void) { struct syscore_ops *ops; + trace_suspend_resume(TPS("syscore_resume"), 0, true); WARN_ONCE(!irqs_disabled(), "Interrupts enabled before system core resume.\n"); @@ -94,7 +107,9 @@ void syscore_resume(void) WARN_ONCE(!irqs_disabled(), "Interrupts enabled after %pF\n", ops->resume); } + trace_suspend_resume(TPS("syscore_resume"), 0, false); } +EXPORT_SYMBOL_GPL(syscore_resume); #endif /* CONFIG_PM_SLEEP */ /** |