From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Avoid printing the device suspend/resume timing information if CONFIG_PM_DEBUG is not set to reduce the log noise level. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- drivers/base/power/main.c | 4 ++++ 1 file changed, 4 insertions(+) Index: linux-pm/drivers/base/power/main.c =================================================================== --- linux-pm.orig/drivers/base/power/main.c +++ linux-pm/drivers/base/power/main.c @@ -417,6 +417,7 @@ static void pm_dev_err(struct device *de dev_name(dev), pm_verb(state.event), info, error); } +#ifdef CONFIG_PM_DEBUG static void dpm_show_time(ktime_t starttime, pm_message_t state, char *info) { ktime_t calltime; @@ -433,6 +434,9 @@ static void dpm_show_time(ktime_t startt info ?: "", info ? " " : "", pm_verb(state.event), usecs / USEC_PER_MSEC, usecs % USEC_PER_MSEC); } +#else +static inline void dpm_show_time(ktime_t starttime, pm_message_t state, char *info) {} +#endif /* CONFIG_PM_DEBUG */ static int dpm_run_callback(pm_callback_t cb, struct device *dev, pm_message_t state, char *info)