diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-11-19 19:07:57 -0500 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-11-19 19:07:57 -0500 |
| commit | 6f82b83b7a56bc6e9dd6d7b93531dde6027c5309 (patch) | |
| tree | d6f9fc6064e60711e1d041a48d8ff0927ca819e7 /drivers/dma/ioat | |
| parent | 228c4f5cfbf1cda411d9aa7204a612a63c89b1e8 (diff) | |
ioat2,3: disable asynchronous error notifications
Error interrupts and error completions may cause channel hangs, so
poll the channel status register after a timeout.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ioat')
| -rw-r--r-- | drivers/dma/ioat/registers.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/dma/ioat/registers.h b/drivers/dma/ioat/registers.h index 63038e18ab03..f015ec196700 100644 --- a/drivers/dma/ioat/registers.h +++ b/drivers/dma/ioat/registers.h | |||
| @@ -92,9 +92,7 @@ | |||
| 92 | #define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004 | 92 | #define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004 |
| 93 | #define IOAT_CHANCTRL_INT_REARM 0x0001 | 93 | #define IOAT_CHANCTRL_INT_REARM 0x0001 |
| 94 | #define IOAT_CHANCTRL_RUN (IOAT_CHANCTRL_INT_REARM |\ | 94 | #define IOAT_CHANCTRL_RUN (IOAT_CHANCTRL_INT_REARM |\ |
| 95 | IOAT_CHANCTRL_ERR_COMPLETION_EN |\ | 95 | IOAT_CHANCTRL_ANY_ERR_ABORT_EN) |
| 96 | IOAT_CHANCTRL_ANY_ERR_ABORT_EN |\ | ||
| 97 | IOAT_CHANCTRL_ERR_INT_EN) | ||
| 98 | 96 | ||
| 99 | #define IOAT_DMA_COMP_OFFSET 0x02 /* 16-bit DMA channel compatibility */ | 97 | #define IOAT_DMA_COMP_OFFSET 0x02 /* 16-bit DMA channel compatibility */ |
| 100 | #define IOAT_DMA_COMP_V1 0x0001 /* Compatibility with DMA version 1 */ | 98 | #define IOAT_DMA_COMP_V1 0x0001 /* Compatibility with DMA version 1 */ |