[PATCH v4 20/28] ARM: owl: Implement CPU enable-method for S500

[Andreas Färber]

Am 21.06.2017 um 12:25 schrieb Arnd Bergmann:
> On Wed, Jun 21, 2017 at 10:16 AM, Arnd Bergmann <arnd at arndb.de> wrote:
>> On Tue, Jun 6, 2017 at 2:54 AM, Andreas Färber <afaerber at suse.de> wrote:
>>> Allow to bring up CPU1.
>>>
>>> Based on LeMaker linux-actions tree.
>>>
>>> Signed-off-by: Andreas Färber <afaerber at suse.de>
>>> ---
>>>  v3 -> v4: Unchanged
>>>
>>>  v3: new
>>>
>>>  arch/arm/mach-actions/Makefile  |   3 +
>>>  arch/arm/mach-actions/headsmp.S |  68 ++++++++++++++++
>>>  arch/arm/mach-actions/platsmp.c | 166 ++++++++++++++++++++++++++++++++++++++++
>>
>> I now see build errors in linux-next:
>>
>> /git/arm-soc/arch/arm/mach-actions/platsmp.c: In function 'write_pen_release':
>> /git/arm-soc/arch/arm/mach-actions/platsmp.c:39:2: error:
>> 'pen_release' undeclared (first use in this function); did you mean
> 
> I have a fix and tested it now. Please fold this into your patch:
> 
>        Arnd
> 
> Subject: [PATCH] ARM: owl: fix non-SMP build
> 
> arch/arm/mach-actions/platsmp.c: In function 'write_pen_release':
> arch/arm/mach-actions/platsmp.c:39:2: error: 'pen_release' undeclared
> (first use in this function); did you mean 'seq_release'?
> 
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> 
> diff --git a/arch/arm/mach-actions/Makefile b/arch/arm/mach-actions/Makefile
> index 217e95d04b43..94f8dbafba21 100644
> --- a/arch/arm/mach-actions/Makefile
> +++ b/arch/arm/mach-actions/Makefile
> @@ -1,4 +1,4 @@
> -obj-$(CONFIG_ARCH_ACTIONS) += owl.o
> -obj-${CONFIG_ARCH_ACTIONS} += platsmp.o headsmp.o
> +obj-y += owl.o
> +obj-$(CONFIG_SMP) += platsmp.o headsmp.o

Sorry. Fixed up the two patches, thanks!

Interestingly the below issue had been found by automatic patch testing,
but the above wasn't. Maybe you can contribute your non-SMP config for
the bots, to help catch this earlier?

> 
>  AFLAGS_headsmp.o := -Wa,-march=armv7-a
> 

Cheers,
Andreas

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