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Revert "[ARM] Optionally flush entire dcache from v6_dma_flush_range"

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This reverts commit 3414e45fe0.
This commit is contained in:
黄涛
2011-07-30 23:09:41 +08:00
parent 8f7869622d
commit c4dbb148ed
1 changed files with 0 additions and 17 deletions
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17
arch/arm/mm/cache-v6.S
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@@ -248,11 +248,6 @@ ENTRY(v6_dma_clean_range)
* - end - virtual end address of region
*/
ENTRY(v6_dma_flush_range)
#ifdef CONFIG_CACHE_FLUSH_RANGE_LIMIT
sub r2, r1, r0
cmp r2, #CONFIG_CACHE_FLUSH_RANGE_LIMIT
bhi v6_dma_flush_dcache_all
#endif
bic r0, r0, #D_CACHE_LINE_SIZE - 1
1:
#ifdef HARVARD_CACHE
@@ -267,18 +262,6 @@ ENTRY(v6_dma_flush_range)
mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
mov pc, lr
#ifdef CONFIG_CACHE_FLUSH_RANGE_LIMIT
v6_dma_flush_dcache_all:
mov r0, #0
#ifdef HARVARD_CACHE
mcr p15, 0, r0, c7, c14, 0 @ D cache clean+invalidate
#else
mcr p15, 0, r0, c7, c15, 0 @ Cache clean+invalidate
#endif
mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
mov pc, lr
#endif
__INITDATA
.type v6_cache_fns, #object