diff options
Diffstat (limited to 'drivers/base/power')
| -rw-r--r-- | drivers/base/power/Makefile | 3 | ||||
| -rw-r--r-- | drivers/base/power/suspend.c | 17 |
2 files changed, 19 insertions, 1 deletions
diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile index c0219ad94aca..ceeeba2c56c7 100644 --- a/drivers/base/power/Makefile +++ b/drivers/base/power/Makefile @@ -4,3 +4,6 @@ obj-$(CONFIG_PM) += main.o suspend.o resume.o runtime.o sysfs.o ifeq ($(CONFIG_DEBUG_DRIVER),y) EXTRA_CFLAGS += -DDEBUG endif +ifeq ($(CONFIG_PM_DEBUG),y) +EXTRA_CFLAGS += -DDEBUG +endif diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index 2a769cc6f5f9..1a1fe43a3057 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -29,6 +29,15 @@ * lists. This way, the ancestors will be accessed before their descendents. */ +static inline char *suspend_verb(u32 event) +{ + switch (event) { + case PM_EVENT_SUSPEND: return "suspend"; + case PM_EVENT_FREEZE: return "freeze"; + default: return "(unknown suspend event)"; + } +} + /** * suspend_device - Save state of one device. @@ -57,7 +66,13 @@ int suspend_device(struct device * dev, pm_message_t state) dev->power.prev_state = dev->power.power_state; if (dev->bus && dev->bus->suspend && !dev->power.power_state.event) { - dev_dbg(dev, "suspending\n"); + dev_dbg(dev, "%s%s\n", + suspend_verb(state.event), + ((state.event == PM_EVENT_SUSPEND) + && device_may_wakeup(dev)) + ? ", may wakeup" + : "" + ); error = dev->bus->suspend(dev, state); suspend_report_result(dev->bus->suspend, error); } |