diff options
author | Paul Mundt <lethal@linux-sh.org> | 2009-10-16 02:14:50 -0400 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2009-10-16 02:14:50 -0400 |
commit | abeaf33a4101764291ec79cf286e08c0966eb26e (patch) | |
tree | bb3f8ae60d1ff0d99a907bcc223886f9d71fafea /arch/sh/mm/cache-sh4.c | |
parent | 731ba3301de41d2ffae9dd3e0f85f7361d8ad8f4 (diff) | |
parent | 52a94909f00e0ffceeac202e517a126d57c1c523 (diff) |
Merge branch 'sh/stable-updates'
Conflicts:
arch/sh/mm/cache-sh4.c
Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
-rw-r--r-- | arch/sh/mm/cache-sh4.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index 56dd55a1b13e..4a2fbf2864de 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c | |||
@@ -27,7 +27,7 @@ | |||
27 | */ | 27 | */ |
28 | #define MAX_ICACHE_PAGES 32 | 28 | #define MAX_ICACHE_PAGES 32 |
29 | 29 | ||
30 | static void __flush_cache_4096(unsigned long addr, unsigned long phys, | 30 | static void __flush_cache_one(unsigned long addr, unsigned long phys, |
31 | unsigned long exec_offset); | 31 | unsigned long exec_offset); |
32 | 32 | ||
33 | /* | 33 | /* |
@@ -82,8 +82,7 @@ static void __uses_jump_to_uncached sh4_flush_icache_range(void *args) | |||
82 | local_irq_restore(flags); | 82 | local_irq_restore(flags); |
83 | } | 83 | } |
84 | 84 | ||
85 | static inline void flush_cache_4096(unsigned long start, | 85 | static inline void flush_cache_one(unsigned long start, unsigned long phys) |
86 | unsigned long phys) | ||
87 | { | 86 | { |
88 | unsigned long flags, exec_offset = 0; | 87 | unsigned long flags, exec_offset = 0; |
89 | 88 | ||
@@ -96,8 +95,8 @@ static inline void flush_cache_4096(unsigned long start, | |||
96 | exec_offset = cached_to_uncached; | 95 | exec_offset = cached_to_uncached; |
97 | 96 | ||
98 | local_irq_save(flags); | 97 | local_irq_save(flags); |
99 | __flush_cache_4096(start | SH_CACHE_ASSOC, | 98 | __flush_cache_one(start | SH_CACHE_ASSOC, |
100 | virt_to_phys(phys), exec_offset); | 99 | virt_to_phys(phys), exec_offset); |
101 | local_irq_restore(flags); | 100 | local_irq_restore(flags); |
102 | } | 101 | } |
103 | 102 | ||
@@ -121,9 +120,9 @@ static void sh4_flush_dcache_page(void *arg) | |||
121 | int i, n; | 120 | int i, n; |
122 | 121 | ||
123 | /* Loop all the D-cache */ | 122 | /* Loop all the D-cache */ |
124 | n = boot_cpu_data.dcache.way_incr >> 12; | 123 | n = boot_cpu_data.dcache.n_aliases; |
125 | for (i = 0; i < n; i++, addr += 4096) | 124 | for (i = 0; i <= n; i++, addr += PAGE_SIZE) |
126 | flush_cache_4096(addr, phys); | 125 | flush_cache_one(addr, phys); |
127 | } | 126 | } |
128 | 127 | ||
129 | wmb(); | 128 | wmb(); |
@@ -220,7 +219,7 @@ static void sh4_flush_cache_page(void *args) | |||
220 | void *vaddr; | 219 | void *vaddr; |
221 | 220 | ||
222 | vma = data->vma; | 221 | vma = data->vma; |
223 | address = data->addr1; | 222 | address = data->addr1 & PAGE_MASK; |
224 | pfn = data->addr2; | 223 | pfn = data->addr2; |
225 | phys = pfn << PAGE_SHIFT; | 224 | phys = pfn << PAGE_SHIFT; |
226 | page = pfn_to_page(pfn); | 225 | page = pfn_to_page(pfn); |
@@ -228,7 +227,6 @@ static void sh4_flush_cache_page(void *args) | |||
228 | if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT) | 227 | if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT) |
229 | return; | 228 | return; |
230 | 229 | ||
231 | address &= PAGE_MASK; | ||
232 | pgd = pgd_offset(vma->vm_mm, address); | 230 | pgd = pgd_offset(vma->vm_mm, address); |
233 | pud = pud_offset(pgd, address); | 231 | pud = pud_offset(pgd, address); |
234 | pmd = pmd_offset(pud, address); | 232 | pmd = pmd_offset(pud, address); |
@@ -257,7 +255,7 @@ static void sh4_flush_cache_page(void *args) | |||
257 | } | 255 | } |
258 | 256 | ||
259 | if (pages_do_alias(address, phys)) | 257 | if (pages_do_alias(address, phys)) |
260 | flush_cache_4096(CACHE_OC_ADDRESS_ARRAY | | 258 | flush_cache_one(CACHE_OC_ADDRESS_ARRAY | |
261 | (address & shm_align_mask), phys); | 259 | (address & shm_align_mask), phys); |
262 | 260 | ||
263 | if (vma->vm_flags & VM_EXEC) | 261 | if (vma->vm_flags & VM_EXEC) |
@@ -307,7 +305,7 @@ static void sh4_flush_cache_range(void *args) | |||
307 | } | 305 | } |
308 | 306 | ||
309 | /** | 307 | /** |
310 | * __flush_cache_4096 | 308 | * __flush_cache_one |
311 | * | 309 | * |
312 | * @addr: address in memory mapped cache array | 310 | * @addr: address in memory mapped cache array |
313 | * @phys: P1 address to flush (has to match tags if addr has 'A' bit | 311 | * @phys: P1 address to flush (has to match tags if addr has 'A' bit |
@@ -320,7 +318,7 @@ static void sh4_flush_cache_range(void *args) | |||
320 | * operation (purge/write-back) is selected by the lower 2 bits of | 318 | * operation (purge/write-back) is selected by the lower 2 bits of |
321 | * 'phys'. | 319 | * 'phys'. |
322 | */ | 320 | */ |
323 | static void __flush_cache_4096(unsigned long addr, unsigned long phys, | 321 | static void __flush_cache_one(unsigned long addr, unsigned long phys, |
324 | unsigned long exec_offset) | 322 | unsigned long exec_offset) |
325 | { | 323 | { |
326 | int way_count; | 324 | int way_count; |
@@ -357,7 +355,7 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys, | |||
357 | * pointless nead-of-loop check for 0 iterations. | 355 | * pointless nead-of-loop check for 0 iterations. |
358 | */ | 356 | */ |
359 | do { | 357 | do { |
360 | ea = base_addr + 4096; | 358 | ea = base_addr + PAGE_SIZE; |
361 | a = base_addr; | 359 | a = base_addr; |
362 | p = phys; | 360 | p = phys; |
363 | 361 | ||