[PATCH 04/17] omap4: pm: Add CPUx OFF mode support
santosh.shilimkar at ti.com
Thu Mar 3 11:14:23 EST 2011
> -----Original Message-----
> From: Kevin Hilman [mailto:khilman at ti.com]
> Sent: Thursday, March 03, 2011 3:43 AM
> To: Santosh Shilimkar
> Cc: linux-omap at vger.kernel.org; linux-arm-kernel at lists.infradead.org
> Subject: Re: [PATCH 04/17] omap4: pm: Add CPUx OFF mode support
> Santosh Shilimkar <santosh.shilimkar at ti.com> writes:
> > This patch adds the CPU0 and CPU1 off mode support. CPUX close
> > retention (CSWR) is not supported by hardware design.
> > The CPUx OFF mode isn't supported on OMAP4430 ES1.0
> > CPUx sleep code is common for hotplug, suspend and cpuilde.
> > Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
> > Reviewed-by: Kevin Hilman <khilman at ti.com>
> > ---
Fixed all the comments on this patch.
> > +++ b/arch/arm/mach-omap2/sleep44xx.S
> I didn't do a detailed review of the below assembly since you're
> much more knowlegable there than me.
> However, will the assembly code here work in Thumb-2 mode? Dave
> has been working on that for OMAP3, but we should make sure the
> OMAP4 stuff is Thumb-2 ready out of the box.
The code as such builds for THUMB2 as I tried last time. At least
I have tried not to break it for THUMB2 anywhere.
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