linux-kernel - Re: [PATCH] ARM: qcom: Enable basic support for Qualcomm platforms in multi_v7

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Date:	Fri, 28 Feb 2014 10:44:36 -0800
From:	Kevin Hilman <khilman@...aro.org>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	Kumar Gala <galak@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linus.walleij@...aro.org
Subject: Re: [PATCH] ARM: qcom: Enable basic support for Qualcomm platforms in multi_v7_defconfig

Stephen Boyd <sboyd@...eaurora.org> writes:

> On 02/28, Kevin Hilman wrote:
>> Hi Kumar,
>> 
>> Kevin Hilman <khilman@...aro.org> writes:
>> 
>> > Kumar Gala <galak@...eaurora.org> writes:
>> >
>> >> Enable support for the MSM8x60, MSM8960, and MSM8974 SoCs, clocks and
>> >> serial console as part of the standard multi_v7_defconfig.
>> >>
>> >> Signed-off-by: Kumar Gala <galak@...eaurora.org>
>> >> ---
>> >>
>> >> I leave this to the arm-soc guys to apply because of possible conflicts
>> >> with other updates to multi_v7_defconfig.
>> >
>> > Seem to be a handful of !qcom changes here, probably resulting from a
>> > run of 'make savedefconfig' without all the new changes in.
>> >
>> > I've thinned this out to only the qcom changes and applied the following
>> > to next/boards.  I think it's better to do any 'make savedefconfig'
>> > cleanups as a separate, cleanup-only patch as needed.
>> 
>> Bisecting a new boot failure on u8500/snowball came down to this patch.
>> Simply disabling CONFIG_ARCH_QCOM in mutli_v7_defconfig gets the
>> u8500/snowball booting again, so it looks like there may still be some
>> qcom specifics that are being run on non-qcom platforms with a
>> multi-platform config.
>> 
>> Could you audit for initcalls/drivers being initialized on non-qcom
>> SoCs?
>> 
>
> Can you try disabling CONFIG_ARCH_MSM8X60 and
> CONFIG_ARCH_MSM8960? MY suspicion is the text offset movement is
> causing problems, but I hope I'm wrong.

Sorry to dash your hopes, but you're right.

Starting from a fresh multi_v7_defconfig and disabling those two Kconfig
options gets the snowball booting again on multi_v7_defconfig.

Kevin

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