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[PATCH 1/2] ARM: pgtable: add pgprot_writethrough() macro |
Needed for remapping pages with write-through cacheable attribute. May be useful for framebuffers. Signed-off-by: Siarhei Siamashka <siarhei.siamashka@xxxxxxxxx> --- 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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