[PATCH] ARM: fix multiplatform allmodcompile

Arnd Bergmann arnd at arndb.de
Mon Nov 10 05:28:09 PST 2014


On Monday 10 November 2014 14:15:49 Linus Walleij wrote:
> Commit 68f3b875f7848f5304472184a4634148c5330cbd
> "ARM: integrator: make the Integrator multiplatform"
> broke allmodconfig like this:
> 
> >> arch/arm/include/asm/cmpxchg.h:114:2: error: #error
> "SMP is not supported on this platform"
> (etc)
> 
> This is due to the fact that as we turned on multiplatform
> for the Integrator, this enabled a lot of non-applicable
> CPU's to be selected for its multiplatform images, due to
> a lot of "depends on ARCH_INTEGRATOR" restrictions in
> arch/arm/mm/Kconfig for the different ARM CPU types.
> 
> Fix this by restricting the CPU selections to respective
> multiplatform config, which now becomes a subset of the
> possible Integrator configurations.
> 
> Reported-by: Build bot for Mark Brown <broonie at kernel.org>
> Reported-by: Kbuild test robot <fengguang.wu at intel.com>
> Suggested-by: Arnd Bergmann <arnd at arndb.de>
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>

Acked-by: Arnd Bergmann <arnd at arndb.de>

However, there is one mistake you need to fix:

> @@ -371,7 +371,7 @@ config CPU_V6
>  
>  # ARMv6k
>  config CPU_V6K
> -	bool "Support ARM V6K processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
> +	bool "Support ARM V6K processor" if ARCH_MULTI_V6K || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
>  	select CPU_32v6
>  	select CPU_32v6K
>  	select CPU_ABRT_EV6
> @@ -385,7 +385,7 @@ config CPU_V6K

ARCH_MULTI_V6K does not exist. We should either introduce that or
change the line here to say 'ARCH_MULTI_V6'.

	Arnd



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