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Commit b3000cd8 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Vinod Koul
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rcar-hpbdma: fixup channel busy check for double plane 



The device busy check method is different between
single and double planes.
It will always return "busy" without this patch
if channel used as double plane.

Reviewed-by: default avatarMax Filippov <max.filippov@cogentembedded.com>
Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: default avatarSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent f1eab074

drivers/dma/sh/rcar-hpbdma.c

+5 −1
Original line number Diff line number Diff line
@@ -60,6 +60,7 @@ 
#define HPB_DMAE_DSTPR_DMSTP	BIT(0)



/* DMA status register (DSTSR) bits */

#define HPB_DMAE_DSTSR_DQSTS	BIT(2)

#define HPB_DMAE_DSTSR_DMSTS	BIT(0)



/* DMA common registers */
@@ -385,7 +386,10 @@ static bool hpb_dmae_channel_busy(struct shdma_chan *schan) 
	struct hpb_dmae_chan *chan = to_chan(schan);

	u32 dstsr = ch_reg_read(chan, HPB_DMAE_DSTSR);



	return (dstsr & HPB_DMAE_DSTSR_DMSTS) == HPB_DMAE_DSTSR_DMSTS;

	if (chan->xfer_mode == XFER_DOUBLE)

		return dstsr & HPB_DMAE_DSTSR_DQSTS;

	else

		return dstsr & HPB_DMAE_DSTSR_DMSTS;

}



static int