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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-06-12 22:51:55 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-06-15 00:55:43 +0200
commit604d895857c2fc6748feb805c2290a60491eed43 (patch)
tree2ebcdd7c2029b13e67a576980a97e0c87638a193 /drivers/base
parentACPI / PM: Clean up device wakeup enable/disable code (diff)
downloadlinux-604d895857c2fc6748feb805c2290a60491eed43.tar.xz
linux-604d895857c2fc6748feb805c2290a60491eed43.zip
PM / sleep: Print timing information if debug is enabled
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@intel.com>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 9faee1c893e5..253f860e8981 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -417,6 +417,7 @@ static void pm_dev_err(struct device *dev, pm_message_t state, char *info,
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 starttime, pm_message_t state, char *info)
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)