[PATCH 01/35] mfd: ab8500-gpadc: Implemented suspend/resume

[Mark Brown]

On Thu, Feb 21, 2013 at 11:45:08PM +0100, Ulf Hansson wrote:
> On 20 February 2013 14:19, Mark Brown

> > This doesn't look especially sane...  You're doing a runtime get, taking
> > the lock without releasing it and disabling the regulator.  This is
> > *very* odd, both the changelog and the code need to explain what's going
> > on and why it's safe in a lot more detail here.

> You need to do pm_runtime_get_sync to be able to make sure resources
> (which seems to be only the regulator) are safe to switch off. To my
> understanding this is a generic way to use for being able to switch
> off resources at a device suspend when runtime pm is used in
> conjunction.

Are you sure this actually does what you think it does, especially when
run on modern kernels?
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