linux-kernel - Re: [PATCH] ARM: qcom: select ARM_CPU

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Date:	Wed, 25 Nov 2015 15:06:40 -0600
From:	Andy Gross <agross@...eaurora.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Kumar Gala <galak@...eaurora.org>,
	David Brown <davidb@...eaurora.org>,
	linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Lina Iyer <lina.iyer@...aro.org>,
	Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: [PATCH] ARM: qcom: select ARM_CPU_SUSPEND for power management

On Tue, Nov 24, 2015 at 11:13:09PM +0100, Arnd Bergmann wrote:
> The qcom spm driver uses cpu_resume_arm(), which is not included
> in the kernel in all configurations:
> 
> drivers/built-in.o: In function `qcom_cpu_spc':
> :(.text+0xbc022): undefined reference to `cpu_suspend'
> drivers/built-in.o: In function `qcom_cpuidle_init':
> :(.init.text+0x610c): undefined reference to `cpu_resume_arm'
> 
> This adds a 'select' Kconfig statement to ensure it's always
> enabled.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> This has been broken for a while but not even shown up in many thousands of
> randconfig builds until today. Please queue it up for 4.5 unless you think
> it should really go into 4.4 as well.

Thanks Arnd.  I'll add this to my list for the pull request.

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