diff options
| author | Mike Miller <mike.miller@hp.com> | 2006-12-06 23:35:04 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 11:39:29 -0500 |
| commit | f92e2f5f889803306e50c06e17ee330403e91b8d (patch) | |
| tree | 0971abf513da37eba31de1aa8d7753aa2e5fa8b7 /drivers/block/cciss_cmd.h | |
| parent | de9239167158c0210c5b9a709d67cea1b6f8ae56 (diff) | |
[PATCH] cciss: disable DMA prefetch on P600
Unconditionally disable DMA prefetch on the P600 controller. An ASIC bug may
result in prefetching beyond the end of physical memory.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/block/cciss_cmd.h')
| -rw-r--r-- | drivers/block/cciss_cmd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h index 4af7c4c0c7af..b2147cca5acd 100644 --- a/drivers/block/cciss_cmd.h +++ b/drivers/block/cciss_cmd.h | |||
| @@ -55,6 +55,7 @@ | |||
| 55 | #define I2O_INT_MASK 0x34 | 55 | #define I2O_INT_MASK 0x34 |
| 56 | #define I2O_IBPOST_Q 0x40 | 56 | #define I2O_IBPOST_Q 0x40 |
| 57 | #define I2O_OBPOST_Q 0x44 | 57 | #define I2O_OBPOST_Q 0x44 |
| 58 | #define I2O_DMA1_CFG 0x214 | ||
| 58 | 59 | ||
| 59 | //Configuration Table | 60 | //Configuration Table |
| 60 | #define CFGTBL_ChangeReq 0x00000001l | 61 | #define CFGTBL_ChangeReq 0x00000001l |