diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 554479233360..5cf624a5b2bb 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -2022,6 +2022,7 @@ int dpm_prepare(pm_message_t state) printk(KERN_INFO "PM: Device %s not prepared " "for power transition: code %d\n", dev_name(dev), error); + dpm_save_failed_dev(dev_name(dev)); put_device(dev); break; } diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 36cb7edb9126..3ef2c536652d 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -496,7 +496,7 @@ static int suspend_enter(suspend_state_t state, bool *wakeup) */ int suspend_devices_and_enter(suspend_state_t state) { - int error; + int error, last_dev; bool wakeup = false; if (!sleep_state_supported(state)) @@ -512,8 +512,11 @@ int suspend_devices_and_enter(suspend_state_t state) suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { + last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1; + last_dev %= REC_FAILED_NUM; pr_err("Some devices failed to suspend, or early wake event detected\n"); - log_suspend_abort_reason("Some devices failed to suspend, or early wake event detected"); + log_suspend_abort_reason("%s device failed to suspend, or early wake event detected", + suspend_stats.failed_devs[last_dev]); goto Recover_platform; } suspend_test_finish("suspend devices");