diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/3010-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch')
-rw-r--r-- | target/linux/layerscape/patches-4.4/3010-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/3010-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch b/target/linux/layerscape/patches-4.4/3010-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch new file mode 100644 index 0000000000..43ab4d9240 --- /dev/null +++ b/target/linux/layerscape/patches-4.4/3010-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch @@ -0,0 +1,26 @@ +From 31a5b5189bdd33bb87f88320964a47c0da983af2 Mon Sep 17 00:00:00 2001 +From: Jianhua Xie <jianhua.xie@nxp.com> +Date: Fri, 29 Jan 2016 16:40:46 +0800 +Subject: [PATCH 10/70] arm: add pgprot_cached and pgprot_cached_ns support + +Signed-off-by: Jianhua Xie <jianhua.xie@nxp.com> +--- + arch/arm/include/asm/pgtable.h | 7 +++++++ + 1 file changed, 7 insertions(+) + +--- a/arch/arm/include/asm/pgtable.h ++++ b/arch/arm/include/asm/pgtable.h +@@ -116,6 +116,13 @@ extern pgprot_t pgprot_s2_device; + #define pgprot_noncached(prot) \ + __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) + ++#define pgprot_cached(prot) \ ++ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED) ++ ++#define pgprot_cached_ns(prot) \ ++ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED | \ ++ L_PTE_MT_DEV_NONSHARED) ++ + #define pgprot_writecombine(prot) \ + __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) + |