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| author | Dave Airlie <airlied@redhat.com> | 2011-01-05 01:31:08 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-05 01:31:08 +0300 |
| commit | 4f125010d2d02c481a0fdf5aee23a9f937bc5de1 (patch) | |
| tree | dcdcd2ba1d0bb980b57ced9a1b2b5b17c84c8f57 /arch/arm/mm/cache-v7.S | |
| parent | 204663c48711ddceee09df46269cd34d49d1f7be (diff) | |
| parent | 989d873fc5b6a96695b97738dea8d9f02a60f8ab (diff) | |
| download | linux-4f125010d2d02c481a0fdf5aee23a9f937bc5de1.tar.xz | |
Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next
Diffstat (limited to 'arch/arm/mm/cache-v7.S')
| -rw-r--r-- | arch/arm/mm/cache-v7.S | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index a3ebf7a4f49b..6136e68ce953 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -173,15 +173,22 @@ ENTRY(v7_coherent_user_range) UNWIND(.fnstart ) dcache_line_size r2, r3 sub r3, r2, #1 - bic r0, r0, r3 + bic r12, r0, r3 1: - USER( mcr p15, 0, r0, c7, c11, 1 ) @ clean D line to the point of unification + USER( mcr p15, 0, r12, c7, c11, 1 ) @ clean D line to the point of unification + add r12, r12, r2 + cmp r12, r1 + blo 1b dsb - USER( mcr p15, 0, r0, c7, c5, 1 ) @ invalidate I line - add r0, r0, r2 + icache_line_size r2, r3 + sub r3, r2, #1 + bic r12, r0, r3 2: - cmp r0, r1 - blo 1b + USER( mcr p15, 0, r12, c7, c5, 1 ) @ invalidate I line + add r12, r12, r2 + cmp r12, r1 + blo 2b +3: mov r0, #0 ALT_SMP(mcr p15, 0, r0, c7, c1, 6) @ invalidate BTB Inner Shareable ALT_UP(mcr p15, 0, r0, c7, c5, 6) @ invalidate BTB @@ -194,10 +201,10 @@ ENTRY(v7_coherent_user_range) * isn't mapped, just try the next page. */ 9001: - mov r0, r0, lsr #12 - mov r0, r0, lsl #12 - add r0, r0, #4096 - b 2b + mov r12, r12, lsr #12 + mov r12, r12, lsl #12 + add r12, r12, #4096 + b 3b UNWIND(.fnend ) ENDPROC(v7_coherent_kern_range) ENDPROC(v7_coherent_user_range) |