Needed for remapping pages with write-through cacheable
attribute. May be useful for framebuffers.
Signed-off-by: Siarhei Siamashka <siarhei.siamas...@gmail.com>
---
arch/arm/include/asm/pgtable.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index f66626d..04297fa 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -103,6 +103,9 @@ extern pgprot_t pgprot_kernel;
#define pgprot_stronglyordered(prot) \
__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
+#define pgprot_writethrough(prot) \
+ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_WRITETHROUGH)
+
#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
#define pgprot_dmacoherent(prot) \
__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN)
--
1.7.3.4
--
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