From mboxrd@z Thu Jan 1 00:00:00 1970 From: ben-linux@fluff.org (Ben Dooks) Date: Thu, 28 Jan 2010 00:24:55 +0000 Subject: [PATCH 1/2 RE-SEND] ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig In-Reply-To: <1264637603-14967-1-git-send-email-kgene.kim@samsung.com> References: <1264637603-14967-1-git-send-email-kgene.kim@samsung.com> Message-ID: <20100128002455.GM10014@trinity.fluff.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > 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.