linux-kernel - Re: [PATCH 05/11] spi/pxa2xx: make clock rate configurable from platform data

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Date:	Tue, 08 Jan 2013 22:37:34 +0100
From:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-kernel@...r.kernel.org, grant.likely@...retlab.ca,
	linus.walleij@...aro.org, eric.y.miao@...il.com,
	linux@....linux.org.uk, haojian.zhuang@...il.com,
	chao.bi@...el.com, "H. Peter Anvin" <hpa@...ux.intel.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH 05/11] spi/pxa2xx: make clock rate configurable from platform
 data

On 1/8/2013 12:02 PM, Mark Brown wrote:
> On Mon, Jan 07, 2013 at 12:44:34PM +0200, Mika Westerberg wrote:
>> If the architecture doesn't support clk framework (like x86) we need a way to
>> pass the SSP clock rate to the driver. This patch adds a field in the platform
>> data 'fixed_clk_rate' that allows passing the rate.
> No, the way to do this is to fix x86 to enable the clock API there.  The
> x86 maintainers couldn't be bothered when I submitted a patch and
> getting anyone to take a patch to make it available by default appears
> to be unreasonably hard but perhaps if someone from Intel tries the x86
> maintainers might take a patch...

OK

Please explain what you'd like to do.

I haven't seen the original patch.

> We shouldn't be adding special case code to every driver that might need
> a clock that gets used on an Intel system.

I agree with that FWIW.

Thanks,
Rafael

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