Re: [PATCH] arm: exynos: Modify pm code to check for cortex A9 rather than the SoC

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On Tue, Jun 24, 2014 at 05:11:14PM +0100, Russell King - ARM Linux wrote:
> Another point: exynos have taken it upon themselves to add code which
> saves various ARM core registers.  This is a bad idea, it brings us
> back to the days where every platform did their own suspend implementations.
> 
> CPU level registers should be handled by CPU level code, not by platform
> code.  Is there a reason why this can't be added to the Cortex-A9
> support code in proc-v7.S ?

BTW, Shawn Guo recently posted a patch to add the diagnostic register
save/restore to proc-v7.S.

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