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dmaengine: shdma: Use defines instead of hardcoded numbers

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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Geert Uytterhoeven 2014-06-20 14:37:41 +02:00 committed by Simon Horman
parent 28564f0893
commit 0cdbee33ea
2 changed files with 3 additions and 4 deletions
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4
drivers/dma/sh/shdma-arm.h
View File

@ -45,7 +45,7 @@ enum {
((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\
(((i) & TS_HI_BIT) << TS_HI_SHIFT))
#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL((xmit_sz)))
#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL((xmit_sz)))
#endif

3
drivers/dma/sh/shdmac.c
View File

@ -239,9 +239,8 @@ 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);