Re: [PATCH 2/2] pinctrl: exynos: fix eint wakeup by using irq_set_wake()

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Tomasz,

On Thu, May 16, 2013 at 3:37 PM, Tomasz Figa <tomasz.figa@xxxxxxxxx> wrote:
> Well, to make long story short, including headers from plat/ and mach/
> from files outside plat/ or mach/ is no longer valid with
> CONFIG_MULTIPLATFORM, because more than one plat and/or mach can be
> enabled at the same time. In addition to this, care must be taken for code
> to not break platforms other than written for, when compiled into the
> resulting kernel.

Right.  That makes sense.  That's also why it would be a bit of a
longshot for me to get this done right now.  I'd imagine that there
would be a number of changes to the samsung pm infrastructure that are
needed to make this work and I don't have all of those in my tree
right now.  We've already picked back a lot to 3.8, but multiplatform
seems too much.


>> Perhaps for this patch it makes more sense for you to post your
>> version and I can review it?  We may end up just keeping our version
>> of this patch for 3.8 and pick up yours when we do our next rebase.
>> Does that sound OK?
>
> Fine. I will also send a patch adding save and restore for several EINT
> registers that need it.

OK, sounds good.  I was trying to figure out why we didn't seem to
have those in our 3.4 stuff and that it seems to work without
saving/restoring.  I assumed that maybe higher level code was
masking/unmasking interrupts but didn't dig.


> Since EINT handling is highly SoC-specific (i.e. done in pinctrl-exynos,
> not pinctrl-samsung), such assumption wouldn't be a problem. Let me see
> how I solved this problem in my version tomorrow at work.

Fair enough.  :)  Looking forward to seeing your patch!

-Doug
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