Re: [PATCH 16/26] ARM: pxa: CPU_PJ4 requires IWMMXT
From: Russell King - ARM Linux
Date: Sun Oct 02 2011 - 12:03:55 EST
On Sat, Oct 01, 2011 at 10:03:48PM +0200, Arnd Bergmann wrote:
> The PJ4 based pxa95x cpus all have iwmmxt and there is no way to
> build that code conditionally, so better not ask the user
> in that configuration, in order to prevent broken builds.
This suggests we want IWMMXT=y if PJ4=y...
> config IWMMXT
> - bool "Enable iWMMXt support"
> + bool "Enable iWMMXt support" if !CPU_PJ4
> depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
> default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP
This hides the option if CPU_PJ4 is enabled, but it will only be set
to 'y' if PXA27x || PXA3xx || PXA95x || ARCH_MMP are set. Luckily,
ARCH_MMP will be - but is that really what's intended? It's a little
obscure to work that out.
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