diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-11-26 12:39:28 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-11-26 12:43:18 -0500 |
commit | eb9b2b69d3bdfe9cd98cd9b2c5715346a0f0140d (patch) | |
tree | 47f346103656c711e81351faee1a117da5241960 /arch/arm/include | |
parent | c0ba10b512eb2e2a3888b6e6cc0e089f5e7a191b (diff) |
ARM: pgtable: move pgprot functions to one place
Rather than scattering them throughout the file, group them together.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/pgtable.h | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index 53d1d5deb111..3a53d495874b 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h | |||
@@ -219,6 +219,27 @@ extern pgprot_t pgprot_kernel; | |||
219 | #define __PAGE_READONLY __pgprot(_L_PTE_DEFAULT | L_PTE_USER) | 219 | #define __PAGE_READONLY __pgprot(_L_PTE_DEFAULT | L_PTE_USER) |
220 | #define __PAGE_READONLY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_EXEC) | 220 | #define __PAGE_READONLY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_EXEC) |
221 | 221 | ||
222 | #define __pgprot_modify(prot,mask,bits) \ | ||
223 | __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) | ||
224 | |||
225 | #define pgprot_noncached(prot) \ | ||
226 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) | ||
227 | |||
228 | #define pgprot_writecombine(prot) \ | ||
229 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) | ||
230 | |||
231 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | ||
232 | #define pgprot_dmacoherent(prot) \ | ||
233 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE) | ||
234 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
235 | struct file; | ||
236 | extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
237 | unsigned long size, pgprot_t vma_prot); | ||
238 | #else | ||
239 | #define pgprot_dmacoherent(prot) \ | ||
240 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED) | ||
241 | #endif | ||
242 | |||
222 | #endif /* __ASSEMBLY__ */ | 243 | #endif /* __ASSEMBLY__ */ |
223 | 244 | ||
224 | /* | 245 | /* |
@@ -322,28 +343,6 @@ PTE_BIT_FUNC(mkyoung, |= L_PTE_YOUNG); | |||
322 | 343 | ||
323 | static inline pte_t pte_mkspecial(pte_t pte) { return pte; } | 344 | static inline pte_t pte_mkspecial(pte_t pte) { return pte; } |
324 | 345 | ||
325 | #define __pgprot_modify(prot,mask,bits) \ | ||
326 | __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) | ||
327 | |||
328 | /* | ||
329 | * Mark the prot value as uncacheable and unbufferable. | ||
330 | */ | ||
331 | #define pgprot_noncached(prot) \ | ||
332 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) | ||
333 | #define pgprot_writecombine(prot) \ | ||
334 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) | ||
335 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | ||
336 | #define pgprot_dmacoherent(prot) \ | ||
337 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE) | ||
338 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
339 | struct file; | ||
340 | extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
341 | unsigned long size, pgprot_t vma_prot); | ||
342 | #else | ||
343 | #define pgprot_dmacoherent(prot) \ | ||
344 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED) | ||
345 | #endif | ||
346 | |||
347 | #define pmd_none(pmd) (!pmd_val(pmd)) | 346 | #define pmd_none(pmd) (!pmd_val(pmd)) |
348 | #define pmd_present(pmd) (pmd_val(pmd)) | 347 | #define pmd_present(pmd) (pmd_val(pmd)) |
349 | #define pmd_bad(pmd) (pmd_val(pmd) & 2) | 348 | #define pmd_bad(pmd) (pmd_val(pmd) & 2) |