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

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Date:	Tue, 8 Jan 2013 11:02:28 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	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, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH 05/11] spi/pxa2xx: make clock rate configurable from
 platform data

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...

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

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