On Thu, Dec 15, 2011 at 03:53:50PM +0000, Dave Martin wrote:
> Making CACHE_L2X0 depend on (huge list of MACH_ and ARCH_ configs)
> is bothersome to maintain and likely to lead to merge conflicts.
> 
> This patch moves the knowledge of which platforms have a L2x0 or
> PL310 cache controller to the individual machines.  To enable this,
> a new MIGHT_HAVE_CACHE_L2X0 config option is introduced to allow
> machines to indicate that they may have such a cache controller
> independently of each other.
> 
> Boards/SoCs which cannot reliably operate without the L2 cache
> controller support will need to select CACHE_L2X0 directly from
> their own Kconfigs instead.  This applies to some TrustZone-enabled
> boards where Linux runs in the Normal World, for example.
> 
> Signed-off-by: Dave Martin <dave.mar...@linaro.org>
> Acked-by: Anton Vorontsov <cbouatmai...@gmail.com>
>         (for cns3xxx)
> Acked-by: Tony Lindgren <t...@atomide.com>
>         (for omap)
> ---
[...]
> diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
> index b3a1f2b..b30708e 100644
> --- a/arch/arm/plat-mxc/Kconfig
> +++ b/arch/arm/plat-mxc/Kconfig
> @@ -20,6 +20,7 @@ config ARCH_IMX_V6_V7
>       bool "i.MX3, i.MX6"
>       select AUTO_ZRELADDR if !ZBOOT_ROM
>       select ARM_PATCH_PHYS_VIRT
> +     select MIGHT_HAVE_CACHE_L2X0
>       help
>         This enables support for systems based on the Freescale i.MX3 and 
> i.MX6
>         family.

Acked-by: Shawn Guo <shawn....@linaro.org>

-- 
Regards,
Shawn

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