[PATCH 2/2] OMAP3 PM: sleep code clean up

Shilimkar, Santosh santosh.shilimkar at ti.com
Mon Oct 4 09:36:42 UTC 2010

> -----Original Message-----
> From: linux-omap-owner at vger.kernel.org [mailto:linux-omap-
> owner at vger.kernel.org] On Behalf Of Amit Kucheria
> Sent: Monday, October 04, 2010 2:27 PM
> To: Sripathy, Vishwanath
> Cc: Kevin Hilman; linux-omap at vger.kernel.org; linaro-dev at lists.linaro.org
> Subject: Re: [PATCH 2/2] OMAP3 PM: sleep code clean up
> On 10 Oct 04, Sripathy, Vishwanath wrote:
> > Kevin,
> [snip]
> > >
> > > But this also makes me wonder, if we're going to clean this up, the
> bulk
> > > of it could be re-written in C, with some inline asm helpers as needed.
> > Probably yes. But as this code is specific to OMAP3, do you think it's
> > worth spending time on rewriting the entire code in C? It might be a
> > significant effort and it will not be reusable for other ARM SOCs.
> The C code will be more maintainable and offer more opportunities to
> refactor across OMAP flavours - perhaps OMAP4 as well.
> I'm also interested in code reuse across other SoCs. We've got to be able
> to
> shut down the ARM core using common code instead of each SoC copying buggy
> code from each other. Could you list reasons why you don't think the code
> is
> re-usable?
Trust zone implementation and it's varients

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