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dw_dmac: Setting Default Burst length for transfers as 16.

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This patch sets default Burst length for all transfer to 16. This will
enhance performance when user doesn't have any chan->private data.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Viresh Kumar 2011-03-03 15:47:25 +05:30 committed by Vinod Koul
parent ee66509d7f
commit e51dc53b8c
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/dw_dmac.c
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@ -36,8 +36,8 @@
struct dw_dma_slave *__slave = (private); \ struct dw_dma_slave *__slave = (private); \
int dms = __slave ? __slave->dst_master : 0; \ int dms = __slave ? __slave->dst_master : 0; \
int sms = __slave ? __slave->src_master : 1; \ int sms = __slave ? __slave->src_master : 1; \
u8 smsize = __slave ? __slave->src_msize : 0; \ u8 smsize = __slave ? __slave->src_msize : DW_DMA_MSIZE_16; \
u8 dmsize = __slave ? __slave->dst_msize : 0; \ u8 dmsize = __slave ? __slave->dst_msize : DW_DMA_MSIZE_16; \
\ \
(DWC_CTLL_DST_MSIZE(dmsize) \ (DWC_CTLL_DST_MSIZE(dmsize) \
| DWC_CTLL_SRC_MSIZE(smsize) \ | DWC_CTLL_SRC_MSIZE(smsize) \