diff options
Diffstat (limited to 'drivers/base/power/suspend.c')
| -rw-r--r-- | drivers/base/power/suspend.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index bdb60663f2ef..2a769cc6f5f9 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -8,8 +8,9 @@ * */ -#include <linux/vt_kern.h> #include <linux/device.h> +#include <linux/kallsyms.h> +#include <linux/pm.h> #include "../base.h" #include "power.h" @@ -58,11 +59,13 @@ int suspend_device(struct device * dev, pm_message_t state) if (dev->bus && dev->bus->suspend && !dev->power.power_state.event) { dev_dbg(dev, "suspending\n"); error = dev->bus->suspend(dev, state); + suspend_report_result(dev->bus->suspend, error); } up(&dev->sem); return error; } + /** * device_suspend - Save state and stop all devices in system. * @state: Power state to put each device in. @@ -82,9 +85,6 @@ 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) { @@ -169,3 +169,12 @@ int device_power_down(pm_message_t state) EXPORT_SYMBOL_GPL(device_power_down); +void __suspend_report_result(const char *function, void *fn, int ret) +{ + if (ret) { + printk(KERN_ERR "%s(): ", function); + print_fn_descriptor_symbol("%s() returns ", (unsigned long)fn); + printk("%d\n", ret); + } +} +EXPORT_SYMBOL_GPL(__suspend_report_result); |