target/linux/layerscape/patches-5.4/301-arch-0009-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch

   1 From 395718e9f6445369089dba16fa50182c5e0528f5 Mon Sep 17 00:00:00 2001
   2 From: Jianhua Xie <jianhua.xie@nxp.com>
   3 Date: Fri, 29 Jan 2016 16:40:46 +0800
   4 Subject: [PATCH] arm: add pgprot_cached and pgprot_cached_ns support
   5
   6 Signed-off-by: Jianhua Xie <jianhua.xie@nxp.com>
   7 ---
   8  arch/arm/include/asm/pgtable.h | 7 +++++++
   9  1 file changed, 7 insertions(+)
  10
  11 --- a/arch/arm/include/asm/pgtable.h
  12 +++ b/arch/arm/include/asm/pgtable.h
  13 @@ -116,6 +116,13 @@ extern pgprot_t            pgprot_s2_device;
  14  #define pgprot_noncached(prot) \
  15         __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
  16
  17 +#define pgprot_cached(prot) \
  18 +       __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED)
  19 +
  20 +#define pgprot_cached_ns(prot) \
  21 +       __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED | \
  22 +                       L_PTE_MT_DEV_NONSHARED)
  23 +
  24  #define pgprot_writecombine(prot) \
  25         __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE)
  26