linux-kernel - Re: [PATCH] ARM: multi_v7_defconfig: Enable CROS_EC

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Message-ID: <20150818214608.GA21855@localhost>
Date:	Tue, 18 Aug 2015 14:46:08 -0700
From:	Olof Johansson <olof@...om.net>
To:	Javier Martinez Canillas <javier@....samsung.com>
Cc:	arm@...nel.org, Arnd Bergmann <arnd@...db.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Doug Anderson <dianders@...omium.org>,
	Gwendal Grignou <gwendal@...omium.org>,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: multi_v7_defconfig: Enable CROS_EC_PROTO for
 ChromeOS EC mfd driver

On Tue, Aug 18, 2015 at 09:10:27AM +0200, Javier Martinez Canillas wrote:
> The ChromeOS mfd driver (MFD_CROS_EC) select the CROS_EC_PROTO config
> symbol because the driver uses some communication helper functions in
> drivers/platform/chrome/cros_ec_proto.c but other drivers depends on
> CROS_EC_PROTO instead. Mixing select and depends can lead to circular
> Kconfig dependencies so the MFD_CROS_EC select should be changed to a
> depends on CROS_EC_PROTO instead.
> 
> But doing so will break git bisect-ability since MFD_CROS_EC will not
> be enabled anymore unless the default configs first explicitly enable
> the CROS_EC_PROTO dependency.
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

Applied to cros/ec-config in arm-soc, which will stay stable in case others
need to bring in as a prereq.


-Olof
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