Re: [PATCH] [v2] ARM: B15: fix unused label warnings
From: Florian Fainelli
Date: Mon Dec 18 2017 - 20:21:37 EST
On 12/18/2017 08:52 AM, Arnd Bergmann wrote:
> The new conditionally compiled code leaves some labels and one
> variable unreferenced when CONFIG_HOTPLUG_CPU and CONFIG_PM_SLEEP
> are disabled:
>
> arch/arm/mm/cache-b15-rac.c: In function 'b15_rac_init':
> arch/arm/mm/cache-b15-rac.c:353:1: error: label 'out_unmap' defined but not used [-Werror=unused-label]
> out_unmap:
> ^~~~~~~~~
> arch/arm/mm/cache-b15-rac.c:351:1: error: label 'out_cpu_dead' defined but not used [-Werror=unused-label]
> out_cpu_dead:
> ^~~~~~~~~~~~
> At top level:
> arch/arm/mm/cache-b15-rac.c:53:12: error: 'rac_config0_reg' defined but not used [-Werror=unused-variable]
>
> This replaces the existing #ifdef conditionals with IS_ENABLED()
> checks that let the compiler figure out for itself which code to
> drop.
>
> Fixes: 55de88778f4b ("ARM: 8726/1: B15: Add CPU hotplug awareness")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Thanks Arnd!
--
Florian