diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-03 18:22:44 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-03 18:22:51 +0100 |
| commit | 89cab4624a8c0ed81a1b74b6f8c884641cac5b9d (patch) | |
| tree | 3a2f1ae599ee4bae60ccf11cc154d73c210c6388 /arch/arm/lib/memset.S | |
| parent | 2e1cc199fc8666ac5fda200e8a99f1e4dea07175 (diff) | |
| parent | c6f9b1eb0e5df468891eff17f981b76c86f95f3a (diff) | |
ASoC: core: Merge Samsung fixes to avoid trivial context conflict
Merge branch 'fix/samsung' of
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into
asoc-component to resolve trivial conflict
Conflicts:
sound/soc/samsung/i2s.c
Diffstat (limited to 'arch/arm/lib/memset.S')
| -rw-r--r-- | arch/arm/lib/memset.S | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S index d912e7397ec..94b0650ea98 100644 --- a/arch/arm/lib/memset.S +++ b/arch/arm/lib/memset.S @@ -14,31 +14,15 @@ .text .align 5 - .word 0 - -1: subs r2, r2, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strltb r1, [ip], #1 @ 1 - strleb r1, [ip], #1 @ 1 - strb r1, [ip], #1 @ 1 - add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3)) -/* - * The pointer is now aligned and the length is adjusted. Try doing the - * memset again. - */ ENTRY(memset) -/* - * Preserve the contents of r0 for the return value. - */ - mov ip, r0 - ands r3, ip, #3 @ 1 unaligned? - bne 1b @ 1 + ands r3, r0, #3 @ 1 unaligned? + mov ip, r0 @ preserve r0 as return value + bne 6f @ 1 /* * we know that the pointer in ip is aligned to a word boundary. */ - orr r1, r1, r1, lsl #8 +1: orr r1, r1, r1, lsl #8 orr r1, r1, r1, lsl #16 mov r3, r1 cmp r2, #16 @@ -127,4 +111,13 @@ ENTRY(memset) tst r2, #1 strneb r1, [ip], #1 mov pc, lr + +6: subs r2, r2, #4 @ 1 do we have enough + blt 5b @ 1 bytes to align with? + cmp r3, #2 @ 1 + strltb r1, [ip], #1 @ 1 + strleb r1, [ip], #1 @ 1 + strb r1, [ip], #1 @ 1 + add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3)) + b 1b ENDPROC(memset) |