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| author | Ingo Molnar <mingo@elte.hu> | 2010-03-09 17:11:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-09 17:11:53 +0100 |
| commit | 548b84166917d6f5e2296123b85ad24aecd3801d (patch) | |
| tree | 0ab0300e23a02df0fe3c0579627e4998bb122c00 /arch/arm/mm/cache-v7.S | |
| parent | cfb581bcd4f8c158c6f2b48bf5e232bb9e6855c0 (diff) | |
| parent | 57d54889cd00db2752994b389ba714138652e60c (diff) | |
Merge commit 'v2.6.34-rc1' into perf/urgent
Conflicts:
tools/perf/util/probe-event.c
Merge reason: Pick up -rc1 and resolve the conflict as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mm/cache-v7.S')
| -rw-r--r-- | arch/arm/mm/cache-v7.S | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 9073db849fb4..bcd64f265870 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -216,7 +216,7 @@ ENDPROC(v7_flush_kern_dcache_area) * - start - virtual start address of region * - end - virtual end address of region */ -ENTRY(v7_dma_inv_range) +v7_dma_inv_range: dcache_line_size r2, r3 sub r3, r2, #1 tst r0, r3 @@ -240,7 +240,7 @@ ENDPROC(v7_dma_inv_range) * - start - virtual start address of region * - end - virtual end address of region */ -ENTRY(v7_dma_clean_range) +v7_dma_clean_range: dcache_line_size r2, r3 sub r3, r2, #1 bic r0, r0, r3 @@ -271,6 +271,32 @@ ENTRY(v7_dma_flush_range) mov pc, lr ENDPROC(v7_dma_flush_range) +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v7_dma_map_area) + add r1, r1, r0 + teq r2, #DMA_FROM_DEVICE + beq v7_dma_inv_range + b v7_dma_clean_range +ENDPROC(v7_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v7_dma_unmap_area) + add r1, r1, r0 + teq r2, #DMA_TO_DEVICE + bne v7_dma_inv_range + mov pc, lr +ENDPROC(v7_dma_unmap_area) + __INITDATA .type v7_cache_fns, #object @@ -281,7 +307,7 @@ ENTRY(v7_cache_fns) .long v7_coherent_kern_range .long v7_coherent_user_range .long v7_flush_kern_dcache_area - .long v7_dma_inv_range - .long v7_dma_clean_range + .long v7_dma_map_area + .long v7_dma_unmap_area .long v7_dma_flush_range .size v7_cache_fns, . - v7_cache_fns |