linux-kernel - Re: [PATCH] clk: Make the generic clock API available by default

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Message-ID: <503E8E6E.1010101@wwwdotorg.org>
Date:	Wed, 29 Aug 2012 14:49:34 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Arnd Bergmann <arnd@...db.de>,
	Russell King <linux@....linux.org.uk>,
	Haavard Skinnemoen <hskinnemoen@...il.com>,
	Hans-Christian Egtvedt <egtvedt@...fundet.no>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Guan Xuetao <gxt@...c.pku.edu.cn>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] clk: Make the generic clock API available by default

On 08/28/12 13:35, Mark Brown wrote:
> Rather than requiring platforms to select the generic clock API to make
> it available make the API available as a user selectable option unless the
> user either selects HAVE_CUSTOM_CLK (if they have their own implementation)
> or selects COMMON_CLK (if they depend on the generic implementation).
>
> All current architectures that HAVE_CLK but don't use the common clock
> framework have selects of HAVE_CUSTOM_CLK added.
>
> This allows drivers to use the generic API on platforms which have no need
> for the clock API at platform level.

> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig

> @@ -674,6 +676,7 @@ config ARCH_TEGRA
>   	select GENERIC_CLOCKEVENTS
>   	select GENERIC_GPIO
>   	select HAVE_CLK
> +	select HAVE_CUSTOM_CLK

For 3.7, Tegra will switch to the common clock framework. I think this 
patch would then disable that. How should we resolve this - rebase the 
Tegra common-clk tree on top of any branch containing this patch in 
order to remove that select statement?
--
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