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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.patch26
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)
+