[PATCH 1/2 RE-SEND] ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig
Ben Dooks
ben-linux at fluff.org
Wed Jan 27 19:24:55 EST 2010
On Thu, Jan 28, 2010 at 09:13:23AM +0900, Kukjin Kim wrote:
> This patch adds ARM_L1_CACHE_SHIFT_6 into arch/arm/Kconfig. Basically,
> ARM L1 cache line size is 32Bytes. Therefore, whenever new ARCH which
> has 64Bytes L1 cache line size is added, have to set ARM_L1_CACHE_SHIFT
> to 6. That is, have to add/modify arch/arm/mm/Kconfig.
> This patch is for handle it in each ARCH such as ARCH_S5PC1XX, and
> ARCH_S5PV210 which is in review.
>
> Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
> ---
> arch/arm/Kconfig | 5 +++++
> arch/arm/mm/Kconfig | 2 +-
> 2 files changed, 6 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index a5602ec..c7e98ed 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -161,6 +161,11 @@ config ARCH_MTD_XIP
> config GENERIC_HARDIRQS_NO__DO_IRQ
> def_bool y
>
> +config ARM_L1_CACHE_SHIFT_6
> + bool
> + help
> + Setting ARM L1 cache line size to 64 Bytes.
> +
> if OPROFILE
>
> config OPROFILE_ARMV6
> diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
> index 91617f7..ad0b8d3 100644
> --- a/arch/arm/mm/Kconfig
> +++ b/arch/arm/mm/Kconfig
> @@ -779,5 +779,5 @@ config CACHE_XSC3L2
>
> config ARM_L1_CACHE_SHIFT
> int
> - default 6 if ARCH_OMAP3 || ARCH_S5PC1XX
> + default 6 if ARCH_OMAP3 || ARM_L1_CACHE_SHIFT_6
> default 5
A couple of comments:
1) Change ARCH_OMAP3 to use this
2) Could ARM_L1_CACHE_SHIFT_6 go before this, or is there an ordering issue?
> --
> 1.6.2.5
>
--
--
Ben
Q: What's a light-year?
A: One-third less calories than a regular year.
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