Messages in this thread | | | Date | Fri, 20 Sep 2019 15:24:01 +0930 | From | "Andrew Jeffery" <> | Subject | Re: [PATCH] ARM: aspeed: ast2500 is ARMv6K |
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On Thu, 19 Sep 2019, at 23:56, Arnd Bergmann wrote: > Linux supports both the original ARMv6 level (early ARM1136) and ARMv6K > (later ARM1136, ARM1176 and ARM11mpcore). > > ast2500 falls into the second categoy, being based on arm1176jzf-s. > This is enabled by default when using ARCH_MULTI_V6, so we should > not 'select CPU_V6'. > > Removing this will lead to more efficient use of atomic instructions. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > arch/arm/mach-aspeed/Kconfig | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/arm/mach-aspeed/Kconfig b/arch/arm/mach-aspeed/Kconfig > index a293137f5814..163931a03136 100644 > --- a/arch/arm/mach-aspeed/Kconfig > +++ b/arch/arm/mach-aspeed/Kconfig > @@ -26,7 +26,6 @@ config MACH_ASPEED_G4 > config MACH_ASPEED_G5 > bool "Aspeed SoC 5th Generation" > depends on ARCH_MULTI_V6 > - select CPU_V6 > select PINCTRL_ASPEED_G5 if !CC_IS_CLANG
Unrelated, but I'm intrigued by this. Looks like I should try compile it with clang and fix the fallout.
Andrew
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