diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2012-06-21 00:19:33 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2012-07-01 13:31:23 +0200 |
| commit | b2df1d4f8b95d9d1e3f064cef02fc5c5116b05cf (patch) | |
| tree | 6e891ad6ad748ea737ab5774983f90d9be720446 /drivers/base | |
| parent | PM / Sleep: add knob for printing device resume times (diff) | |
| download | linux-b2df1d4f8b95d9d1e3f064cef02fc5c5116b05cf.tar.xz linux-b2df1d4f8b95d9d1e3f064cef02fc5c5116b05cf.zip | |
PM / Sleep: Separate printing suspend times from initcall_debug
Change the behavior of the newly introduced
/sys/power/pm_print_times attribute so that its initial value
depends on initcall_debug, but setting it to 0 will cause device
suspend/resume times not to be printed, even if initcall_debug has
been set. This way, the people who use initcall_debug for reasons
other than PM debugging will be able to switch the suspend/resume
times printing off, if need be.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/main.c | 4 | ||||
| -rw-r--r-- | drivers/base/power/power.h | 11 |
2 files changed, 2 insertions, 13 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 6e4db96958d1..df5f41d2ec95 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -166,7 +166,7 @@ static ktime_t initcall_debug_start(struct device *dev) { ktime_t calltime = ktime_set(0, 0); - if (pm_print_times) { + 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 (pm_print_times) { + 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), diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 12c77b7ff8e8..eeb4bff9505c 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -85,14 +85,3 @@ static inline int pm_qos_sysfs_add(struct device *dev) { return 0; } static inline void pm_qos_sysfs_remove(struct device *dev) {} #endif - -#ifdef CONFIG_PM_DEBUG - -extern int pm_print_times_enabled; -#define pm_print_times (initcall_debug || pm_print_times_enabled) - -#else /* CONFIG_PM_DEBUG */ - -#define pm_print_times initcall_debug - -#endif /* CONFIG_PM_DEBUG */ |