diff options
Diffstat (limited to 'drivers/base/power/suspend.c')
| -rw-r--r-- | drivers/base/power/suspend.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index 662209d3f42d..1a1fe43a3057 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -8,7 +8,6 @@ * */ -#include <linux/vt_kern.h> #include <linux/device.h> #include <linux/kallsyms.h> #include <linux/pm.h> @@ -30,6 +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. @@ -58,7 +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); } @@ -66,6 +80,7 @@ int suspend_device(struct device * dev, pm_message_t state) return error; } + /** * device_suspend - Save state and stop all devices in system. * @state: Power state to put each device in. @@ -85,9 +100,6 @@ int device_suspend(pm_message_t state) { int error = 0; - if (!is_console_suspend_safe()) - return -EINVAL; - down(&dpm_sem); down(&dpm_list_sem); while (!list_empty(&dpm_active) && error == 0) { |