linux-kernel - Re: [PATCH, RFC 03/22] cpuidle: calxeda: select ARM_CPU

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Date:	Thu, 02 May 2013 23:31:01 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-pm@...r.kernel.org
Subject: Re: [PATCH, RFC 03/22] cpuidle: calxeda: select ARM_CPU_SUSPEND

On 05/02/2013 05:16 PM, Arnd Bergmann wrote:
> Like other ARM specific drivers, this one requires ARM_CPU_SUSPEND,
> as shown by this linker error:
> 
> drivers/built-in.o: In function `calxeda_pwrdown_idle':
> drivers/cpuidle/cpuidle-calxeda.c:84: undefined reference to `cpu_suspend'
> drivers/cpuidle/cpuidle-calxeda.c:86: undefined reference to `cpu_resume'
> 
> Cc: Rafael J. Wysocki <rjw@...k.pl>
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
> Cc: linux-pm@...r.kernel.org
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>

> ---
>  drivers/cpuidle/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig
> index c4cc27e..e21cdfa 100644
> --- a/drivers/cpuidle/Kconfig
> +++ b/drivers/cpuidle/Kconfig
> @@ -36,6 +36,7 @@ if CPU_IDLE
>  config CPU_IDLE_CALXEDA
>  	bool "CPU Idle Driver for Calxeda processors"
>  	depends on ARCH_HIGHBANK
> +	select ARM_CPU_SUSPEND
>  	help
>  	  Select this to enable cpuidle on Calxeda processors.
>  
> 


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