diff options
| author | Lior Amsalem <alior@marvell.com> | 2014-08-27 17:52:53 +0400 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-09-23 18:47:01 +0400 |
| commit | ba87d13721b6fe4a2479871dc4f77c5bd8db3c32 (patch) | |
| tree | cfbfdfead1eaac70a3cc9509e5339010e7ca094c /drivers/dma/mv_xor.h | |
| parent | 0e7488ed01235fdd24ce7f0295dbbea0d45311bb (diff) | |
| download | linux-ba87d13721b6fe4a2479871dc4f77c5bd8db3c32.tar.xz | |
dma: mv_xor: Reduce interrupts by enabling EOD only when needed
This commit unmasks the end-of-chain interrupt and removes the
end-of-descriptor command setting on all transactions, except those
explicitly flagged with DMA_PREP_INTERRUPT.
This allows to raise an interrupt only on chain completion, instead of
on each descriptor completion, which reduces interrupt count.
Signed-off-by: Lior Amsalem <alior@marvell.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/mv_xor.h')
| -rw-r--r-- | drivers/dma/mv_xor.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h index ae41c31c6ea5..21b0828f9697 100644 --- a/drivers/dma/mv_xor.h +++ b/drivers/dma/mv_xor.h @@ -67,7 +67,7 @@ XOR_INT_ERR_WRPROT | XOR_INT_ERR_OWN | \ XOR_INT_ERR_PAR | XOR_INT_ERR_MBUS) -#define XOR_INTR_MASK_VALUE (XOR_INT_END_OF_DESC | \ +#define XOR_INTR_MASK_VALUE (XOR_INT_END_OF_DESC | XOR_INT_END_OF_CHAIN | \ XOR_INT_STOPPED | XOR_INTR_ERRORS) #define WINDOW_BASE(w) (0x50 + ((w) << 2)) |