From: ShuoX Liu <shuox....@intel.com> dpm_run_callback_void could show more debug info around complete stage
Signed-off-by: Zhang Yanmin <yanmin.zh...@intel.com> Signed-off-by: Liu ShuoX <shuox....@intel.com> --- drivers/base/power/main.c | 27 ++++++++++++++++++++++----- 1 files changed, 22 insertions(+), 5 deletions(-) diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index cb89323..7021491 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -33,6 +33,7 @@ #include "power.h" typedef int (*pm_callback_t)(struct device *); +typedef void (*pm_callback_void_t)(struct device *); /* * The entries in the dpm_list list are in a depth first order, simply @@ -384,6 +385,23 @@ static int dpm_run_callback(pm_callback_t cb, struct device *dev, return error; } +static void dpm_run_callback_void(pm_callback_void_t cb, struct device *dev, + pm_message_t state, char *info) +{ + ktime_t calltime; + int error; + + if (!cb) + return; + + calltime = initcall_debug_start(dev); + + pm_dev_dbg(dev, state, info); + cb(dev); + + initcall_debug_report(dev, calltime, error); +} + /*------------------------- Resume routines -------------------------*/ /** @@ -722,7 +740,7 @@ void dpm_resume(pm_message_t state) */ static void device_complete(struct device *dev, pm_message_t state) { - void (*callback)(struct device *) = NULL; + pm_callback_void_t callback = NULL; char *info = NULL; if (dev->power.syscore) @@ -749,10 +767,7 @@ static void device_complete(struct device *dev, pm_message_t state) callback = dev->driver->pm->complete; } - if (callback) { - pm_dev_dbg(dev, state, info); - callback(dev); - } + dpm_run_callback_void(callback, dev, state, info); device_unlock(dev); @@ -769,6 +784,7 @@ static void device_complete(struct device *dev, pm_message_t state) void dpm_complete(pm_message_t state) { struct list_head list; + ktime_t starttime = ktime_get(); might_sleep(); @@ -789,6 +805,7 @@ void dpm_complete(pm_message_t state) } list_splice(&list, &dpm_list); mutex_unlock(&dpm_list_mtx); + dpm_show_time(starttime, state, "complete"); } /** -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/