diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/suspend.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index bdb60663f2e..662209d3f42 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -10,6 +10,8 @@ #include <linux/vt_kern.h> #include <linux/device.h> +#include <linux/kallsyms.h> +#include <linux/pm.h> #include "../base.h" #include "power.h" @@ -58,6 +60,7 @@ 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; @@ -169,3 +172,12 @@ 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); |