[PATCH] ARM: OMAP: mcbsp: Fix possible memory corruption

[Ramirez Luna, Omar]

On Mon, Dec 12, 2011 at 12:33 PM, Tony Lindgren <tony at atomide.com> wrote:
> Applying into fixes.

FWIW, I was bisecting this issue, the patch fixes the following slab
corruptions on boot log:

...
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
Slab corruption: size-32 start=eea66740, len=32
010: d8 9d 02 c0 04 9d 02 c0 6b 6b 6b 6b 6b 6b 6b a5  ........kkkkkkk.
Prev obj: start=eea66720, len=32
000: 6f 6d 61 70 32 5f 6d 63 73 70 69 2e 31 00 5a 5a  omap2_mcspi.1.ZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
Next obj: start=eea66760, len=32
000: 70 6f 77 65 72 00 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a  power.ZZZZZZZZZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
Slab corruption: size-32 start=eea66740, len=32
010: d8 9d 02 c0 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5  ....kkkkkkkkkkk.
Prev obj: start=eea66720, len=32
000: 6f 6d 61 70 32 5f 6d 63 73 70 69 2e 31 00 5a 5a  omap2_mcspi.1.ZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
Next obj: start=eea66760, len=32
000: 70 6f 77 65 72 00 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a  power.ZZZZZZZZZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
Slab corruption: size-32 start=eea66740, len=32
010: d8 9d 02 c0 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5  ....kkkkkkkkkkk.
Prev obj: start=eea66720, len=32
000: 6f 6d 61 70 32 5f 6d 63 73 70 69 2e 31 00 5a 5a  omap2_mcspi.1.ZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
Next obj: start=eea66760, len=32
000: 70 6f 77 65 72 00 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a  power.ZZZZZZZZZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
Slab corruption: size-32 start=eea66740, len=32
010: d8 9d 02 c0 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5  ....kkkkkkkkkkk.
Prev obj: start=eea66720, len=32
000: 6f 6d 61 70 32 5f 6d 63 73 70 69 2e 31 00 5a 5a  omap2_mcspi.1.ZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
Next obj: start=eea66760, len=32
000: 70 6f 77 65 72 00 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a  power.ZZZZZZZZZZ
010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a a5  ZZZZZZZZZZZZZZZ.
OMAP DMA hardware revision 0.0
...

Regards,

Omar