[PATCH v2] ARM: vexpress: remove automatic errata workaround selection

Rob Herring robherring2 at gmail.com
Thu Jul 12 10:39:12 EDT 2012


On 07/12/2012 05:17 AM, Pawel Moll wrote:
> From: Will Deacon <will.deacon at arm.com>
> 
> The vexpress Kconfig setup tries to be clever^Whelpful and selects some
> errata workarounds for certain revisions of the Cortex-A9 and PL310,
> which may be required depending on the core tile.
> 
> Since the mach-vexpress can support A5, A7 and A15 coretiles, let's
> make errata workaround selection optional.
> 
> Signed-off-by: Will Deacon <will.deacon at arm.com>
> Signed-off-by: Pawel Moll <pawel.moll at arm.com>
> ---
>  arch/arm/mach-vexpress/Kconfig |    5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> Hi Both,
> 
> Here it is. I've kept Will's Signed-off-by for now, but it seems to me
> Rob should be signing this off. If you don't mind that I'll put Rob's
> name in the final version for arm-soc folk.

Well, Will wrote the commit message so both should be.

Rob

> 
> Cheers!
> 
> Pawel
> 
> diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
> index cf8730d..fc3730f 100644
> --- a/arch/arm/mach-vexpress/Kconfig
> +++ b/arch/arm/mach-vexpress/Kconfig
> @@ -2,7 +2,8 @@ menu "Versatile Express platform type"
>  	depends on ARCH_VEXPRESS
>  
>  config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
> -	bool
> +	bool "Enable A5 and A9 only errata work-arounds"
> +	default y
>  	select ARM_ERRATA_720789
>  	select ARM_ERRATA_751472
>  	select PL310_ERRATA_753970 if CACHE_PL310
> @@ -14,7 +15,6 @@ config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
>  
>  config ARCH_VEXPRESS_CA9X4
>  	bool "Versatile Express Cortex-A9x4 tile"
> -	select ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
>  	select ARM_GIC
>  	select CPU_V7
>  	select HAVE_SMP
> @@ -22,7 +22,6 @@ config ARCH_VEXPRESS_CA9X4
>  
>  config ARCH_VEXPRESS_DT
>  	bool "Device Tree support for Versatile Express platforms"
> -	select ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
>  	select ARM_GIC
>  	select ARM_PATCH_PHYS_VIRT
>  	select AUTO_ZRELADDR
> 





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