diff options
Diffstat (limited to 'arch/arm/include/asm/pgtable.h')
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index ab68cf1ef80f..e90b167ea848 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h | |||
| @@ -317,6 +317,10 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } | |||
| 317 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | 317 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE |
| 318 | #define pgprot_dmacoherent(prot) \ | 318 | #define pgprot_dmacoherent(prot) \ |
| 319 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE) | 319 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE) |
| 320 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
| 321 | struct file; | ||
| 322 | extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
| 323 | unsigned long size, pgprot_t vma_prot); | ||
| 320 | #else | 324 | #else |
| 321 | #define pgprot_dmacoherent(prot) \ | 325 | #define pgprot_dmacoherent(prot) \ |
| 322 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED) | 326 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED) |