Re: [PATCH v2 1/6] MFD MAX8998/LP3974: Support Hibernation

From: MyungJoo Ham
Date: Wed Dec 22 2010 - 20:40:14 EST


On Wed, Dec 22, 2010 at 10:22 PM, Mark Brown
<broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Dec 22, 2010 at 03:23:06PM +0900, MyungJoo Ham wrote:
>> With runtime-pm ops support, this patch enables to save and restore
>> register values for hibernation.
>
> There's no actual runtime PM support in this patch, but this looks like
> it's just an error in the changelog?
>

Probably, it can be rephrased as "Providing struct dev_pm_ops, this
patch enables to save and restore register values for hibernation".
Anyway, implementing such features also resulted in proper behavior
with runtime-pm enabled kernel. (Before this patch, there were issues
with sleep-wakeup with lp3974 irqs if runtime-pm is enabled)


--
MyungJoo Ham (íëì), Ph.D.
Mobile Software Platform Lab,
Digital Media and Communications (DMC) Business
Samsung Electronics
cell: 82-10-6714-2858
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