diff options
Diffstat (limited to 'drivers/base/power')
| -rw-r--r-- | drivers/base/power/main.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index a90480baa85..11fe6ed7527 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -49,12 +49,6 @@ LIST_HEAD(dpm_noirq_list); static DEFINE_MUTEX(dpm_list_mtx); static pm_message_t pm_transition; -/* - * Set once the preparation of devices for a PM transition has started, reset - * before starting to resume devices. Protected by dpm_list_mtx. - */ -static bool transition_started; - static int async_error; /** @@ -97,19 +91,9 @@ void device_pm_add(struct device *dev) dev->bus ? dev->bus->name : "No Bus", kobject_name(&dev->kobj)); mutex_lock(&dpm_list_mtx); - if (dev->parent) { - if (dev->parent->power.in_suspend) - dev_warn(dev, "parent %s should not be sleeping\n", - dev_name(dev->parent)); - } else if (transition_started) { - /* - * We refuse to register parentless devices while a PM - * transition is in progress in order to avoid leaving them - * unhandled down the road - */ - dev_WARN(dev, "Parentless device registered during a PM transaction\n"); - } - + if (dev->parent && dev->parent->power.in_suspend) + dev_warn(dev, "parent %s should not be sleeping\n", + dev_name(dev->parent)); list_add_tail(&dev->power.entry, &dpm_list); mutex_unlock(&dpm_list_mtx); } @@ -482,7 +466,6 @@ void dpm_resume_noirq(pm_message_t state) ktime_t starttime = ktime_get(); mutex_lock(&dpm_list_mtx); - transition_started = false; while (!list_empty(&dpm_noirq_list)) { struct device *dev = to_device(dpm_noirq_list.next); int error; @@ -684,7 +667,6 @@ static void dpm_complete(pm_message_t state) INIT_LIST_HEAD(&list); mutex_lock(&dpm_list_mtx); - transition_started = false; while (!list_empty(&dpm_prepared_list)) { struct device *dev = to_device(dpm_prepared_list.prev); @@ -1020,7 +1002,6 @@ static int dpm_prepare(pm_message_t state) int error = 0; mutex_lock(&dpm_list_mtx); - transition_started = true; while (!list_empty(&dpm_list)) { struct device *dev = to_device(dpm_list.next); |