linux-kernel - Re: [PATCH/RFC 4/6] ARM: move SH-mobile runtime PM to arm/common for sharing with other platforms

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Date:	Thu, 07 Apr 2011 17:38:38 -0700
From:	Kevin Hilman <khilman@...com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Paul Mundt <lethal@...ux-sh.org>,
	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org,
	Magnus Damm <magnus.damm@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	"Greg Kroah-Hartman" <gregkh@...e.de>
Subject: Re: [PATCH/RFC 4/6] ARM: move SH-mobile runtime PM to arm/common for sharing with other platforms

"Rafael J. Wysocki" <rjw@...k.pl> writes:

> On Thursday, April 07, 2011, Kevin Hilman wrote:
>> Paul Mundt <lethal@...ux-sh.org> writes:
>> 
>> > On Wed, Apr 06, 2011 at 05:02:47PM -0700, Kevin Hilman wrote:
>> >> There is really nothing SH-mobile specific about this runtime PM
>> >> implementation.  Any platform wanting to implement runtime PM based on
>> >> simple clock gating can use this implementation.
>> >> 
>> >> Signed-off-by: Kevin Hilman <khilman@...com>
>> >
>> > This observation is wholly architecture agnostic, so it's not clear that
>> > keeping it in arch/arm/common is any better. It seems that this would be
>> > better suited for drivers/base/power/ with a generic Kconfig symbol.
>> 
>> Sounds fine to me.
>
> Well, what platforms is the clock framework available on?

Well, the majority of implementations of <linux/clk.h> are certainly in
ARM, but I know it's also implemented for SH, and a quick grep shows
implementations in powerpc, mips and m68k also.

Kevin
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