linux-kernel - Re: [PATCH] ARM: at91: select CONFIG_ARM_CPU

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Date:   Wed, 24 May 2017 17:39:49 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: at91: select CONFIG_ARM_CPU_SUSPEND

On Tue, May 23, 2017 at 2:57 PM, Alexandre Belloni
<alexandre.belloni@...e-electrons.com> wrote:
> Hi,
>
> On 18/05/2017 at 16:41:29 +0200, Arnd Bergmann wrote:
>> The reference to cpu_resume requires the corresponding
>> generic code to be enabled when CONFIG_PM is set:
>>
>> arch/arm/mach-at91/pm.o: In function `sama5d2_pm_init':
>> pm.c:(.init.text+0x5e8): undefined reference to `cpu_resume'
>>
>> Fixes: 24a0f5c539f9 ("ARM: at91: pm: Add sama5d2 backup mode")
>> Signed-off-by: Arnd Bergmann <arnd@...db.de>
>> ---
>>  arch/arm/mach-at91/Kconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
>> index e754efd0016e..af76234d60c8 100644
>> --- a/arch/arm/mach-at91/Kconfig
>> +++ b/arch/arm/mach-at91/Kconfig
>> @@ -1,6 +1,7 @@
>>  menuconfig ARCH_AT91
>>       bool "Atmel SoCs"
>>       depends on ARCH_MULTI_V4_V5 || ARCH_MULTI_V6_V7
>> +     select ARM_CPU_SUSPEND if PM
>
> This does not apply on v4.12-rc1 because the depends are different.

Sent a new version now.

       Arnd