[PATCH] [1/2] PM support for Ebony
Geoff Levand
geoffrey.levand at am.sony.com
Tue Jun 7 04:59:31 EST 2005
Eugene Surovegin wrote:
> On Mon, Jun 06, 2005 at 11:05:56AM -0700, Geoff Levand wrote:
>
>>I was thinking to add a static variable in ppc4xx_pic.c to hold the
>>state, that way the arch pm code doesn't need to take care of it,
>>which will make suspend to disk easier since the value will be
>>saved in the system image. I'm not sure which way to go. Any
>>comments?
>
>
> I don't have a problem with having static variables for PM in
> ppc4xx_pic.c. However, why only one for UIC0? What about UIC1? What
> about UIC2 (for 440GX) ?
>
> Also, function, you just added, uses resume_bits are for UIC0, it's
> not clear from the function prototype why just UIC0. Shouldn't it be
> more generic?
Well, I guess I was originally only interested in waking up from
things connected to UIC0... I'll look at the other interrupts.
>
> Another note, code in ebony_pm_enter doesn't look very Ebony specific,
> maybe it's would be a good idea to move most of it into ibm440gp_sleep.
>
My thoughts also, but I'll wait until I see BenH's new design before
deciding what to do.
-Geoff
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