summaryrefslogtreecommitdiffstats
path: root/drivers/base/power/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/base/power/main.c')
-rw-r--r--drivers/base/power/main.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 3250c5257b7..692c20ba514 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -67,35 +67,27 @@ void device_pm_unlock(void)
* device_pm_add - add a device to the list of active devices
* @dev: Device to be added to the list
*/
-int device_pm_add(struct device *dev)
+void device_pm_add(struct device *dev)
{
- int error;
-
pr_debug("PM: Adding info for %s:%s\n",
dev->bus ? dev->bus->name : "No Bus",
kobject_name(&dev->kobj));
mutex_lock(&dpm_list_mtx);
if (dev->parent) {
- if (dev->parent->power.status >= DPM_SUSPENDING) {
- dev_warn(dev, "parent %s is sleeping, will not add\n",
+ if (dev->parent->power.status >= DPM_SUSPENDING)
+ dev_warn(dev, "parent %s should not be sleeping\n",
dev->parent->bus_id);
- WARN_ON(true);
- }
} 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
*/
- WARN_ON(true);
- }
- error = dpm_sysfs_add(dev);
- if (!error) {
- dev->power.status = DPM_ON;
- list_add_tail(&dev->power.entry, &dpm_list);
+ dev_WARN(dev, "Parentless device registered during a PM transaction\n");
}
+
+ list_add_tail(&dev->power.entry, &dpm_list);
mutex_unlock(&dpm_list_mtx);
- return error;
}
/**
@@ -110,7 +102,6 @@ void device_pm_remove(struct device *dev)
dev->bus ? dev->bus->name : "No Bus",
kobject_name(&dev->kobj));
mutex_lock(&dpm_list_mtx);
- dpm_sysfs_remove(dev);
list_del_init(&dev->power.entry);
mutex_unlock(&dpm_list_mtx);
}
@@ -787,10 +778,7 @@ EXPORT_SYMBOL_GPL(device_suspend);
void __suspend_report_result(const char *function, void *fn, int ret)
{
- if (ret) {
- printk(KERN_ERR "%s(): ", function);
- print_fn_descriptor_symbol("%s returns ", fn);
- printk("%d\n", ret);
- }
+ if (ret)
+ printk(KERN_ERR "%s(): %pF returns %d\n", function, fn, ret);
}
EXPORT_SYMBOL_GPL(__suspend_report_result);