X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fdma%2Fsh%2Fshdmac.c;h=5c1fbe7d300a87a03c11778dcc956c0fb402c828;hb=52839bfb0c4b56b5c2688c96ce656df4034b2c87;hp=0d765c0e21ec9de8cb4e25ff66d5fd53ee78d95d;hpb=1ec2c7fc1100ca91ebedb583aef80a5e9aafdabd;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
index 0d765c0..5c1fbe7 100644
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
@@ -37,12 +37,12 @@
 #include "../dmaengine.h"
 #include "shdma.h"
 
-/* DMA register */
-#define SAR	0x00
-#define DAR	0x04
-#define TCR	0x08
-#define CHCR	0x0C
-#define DMAOR	0x40
+/* DMA registers */
+#define SAR	0x00	/* Source Address Register */
+#define DAR	0x04	/* Destination Address Register */
+#define TCR	0x08	/* Transfer Count Register */
+#define CHCR	0x0C	/* Channel Control Register */
+#define DMAOR	0x40	/* DMA Operation Register */
 
 #define TEND	0x18 /* USB-DMAC */
 
@@ -238,9 +238,8 @@ static void dmae_init(struct sh_dmae_chan *sh_chan)
 {
 	/*
 	 * Default configuration for dual address memory-memory transfer.
-	 * 0x400 represents auto-request.
 	 */
-	u32 chcr = DM_INC | SM_INC | 0x400 | log2size_to_chcr(sh_chan,
+	u32 chcr = DM_INC | SM_INC | RS_AUTO | log2size_to_chcr(sh_chan,
 						   LOG2_DEFAULT_XFER_SIZE);
 	sh_chan->xmit_shift = calc_xmit_shift(sh_chan, chcr);
 	chcr_write(sh_chan, chcr);