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authorNicolas Ferre <nicolas.ferre@atmel.com>2012-05-10 12:17:40 +0200
committerVinod Koul <vinod.koul@linux.intel.com>2012-05-15 08:47:18 +0530
commitb409ebfb14a71b64e11b156dc82ede698480397e (patch)
tree9b0b5fbd10a99a5d589903403967d5fbcfb81139 /drivers/dma/at_hdmac.c
parentb89a9cb4027a498de7dad12a68b06ae1b254042c (diff)
dmaengine: at_hdmac: remove ATC_DEFAULT_CTRLA constant
Not needed constant that was set to 0. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
-rw-r--r--drivers/dma/at_hdmac.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index bf0d7e4e345..c057309c8ae 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -39,7 +39,6 @@
*/
#define ATC_DEFAULT_CFG (ATC_FIFOCFG_HALFFIFO)
-#define ATC_DEFAULT_CTRLA (0)
#define ATC_DEFAULT_CTRLB (ATC_SIF(AT_DMA_MEM_IF) \
|ATC_DIF(AT_DMA_MEM_IF))
@@ -574,7 +573,6 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
return NULL;
}
- ctrla = ATC_DEFAULT_CTRLA;
ctrlb = ATC_DEFAULT_CTRLB | ATC_IEN
| ATC_SRC_ADDR_MODE_INCR
| ATC_DST_ADDR_MODE_INCR
@@ -585,13 +583,13 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
* of the most common optimization.
*/
if (!((src | dest | len) & 3)) {
- ctrla |= ATC_SRC_WIDTH_WORD | ATC_DST_WIDTH_WORD;
+ ctrla = ATC_SRC_WIDTH_WORD | ATC_DST_WIDTH_WORD;
src_width = dst_width = 2;
} else if (!((src | dest | len) & 1)) {
- ctrla |= ATC_SRC_WIDTH_HALFWORD | ATC_DST_WIDTH_HALFWORD;
+ ctrla = ATC_SRC_WIDTH_HALFWORD | ATC_DST_WIDTH_HALFWORD;
src_width = dst_width = 1;
} else {
- ctrla |= ATC_SRC_WIDTH_BYTE | ATC_DST_WIDTH_BYTE;
+ ctrla = ATC_SRC_WIDTH_BYTE | ATC_DST_WIDTH_BYTE;
src_width = dst_width = 0;
}
@@ -668,7 +666,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
return NULL;
}
- ctrla = ATC_DEFAULT_CTRLA | atslave->ctrla;
+ ctrla = atslave->ctrla;
ctrlb = ATC_IEN;
switch (direction) {
@@ -801,7 +799,7 @@ atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
u32 ctrla;
/* prepare common CRTLA value */
- ctrla = ATC_DEFAULT_CTRLA | atslave->ctrla
+ ctrla = atslave->ctrla
| ATC_DST_WIDTH(reg_width)
| ATC_SRC_WIDTH(reg_width)
| period_len >> reg_width;