On Mon, 13 Dec 2010, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@xxxxxxx>
>
> Instead of keeping all devices in the same list during system suspend
> and resume, regardless of what suspend-resume callbacks have been
> executed for them already, use separate lists of devices that have
> had their ->prepare(), ->suspend() and ->suspend_noirq() callbacks
> executed. This will allow us to simplify the core device suspend and
> resume routines.
Okay in principle. But there's one mistake...
> @@ -699,8 +693,8 @@ static void dpm_complete(pm_message_t st
> INIT_LIST_HEAD(&list);
> mutex_lock(&dpm_list_mtx);
> transition_started = false;
> - while (!list_empty(&dpm_list)) {
> - struct device *dev = to_device(dpm_list.prev);
> + while (!list_empty(&dpm_prepared_list)) {
> + struct device *dev = to_device(dpm_prepared_list.prev);
>
> get_device(dev);
> if (dev->power.status > DPM_ON) {
The parts about getting rid of "list" and putting dev back onto
dpm_list got left out.
Alan Stern
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