MLK-11424: dmaengine: imx-sdma: slave_sg can't work after running cyclic

After running asrc p2p, then asrc m2m can't work. It is caused by the
sdmac->flags isn't reset after running. then sdma_int_handler go to
wrong branch.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 24dfcac..71ec6c5 100644 (file)
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1303,6 +1303,7 @@ static int sdma_transfer_init(struct sdma_channel *sdmac,
        sdmac->buf_tail = 0;
        sdmac->flags = 0;
        sdmac->direction = direction;
+       sdmac->flags = 0;
 
        ret = sdma_load_context(sdmac);
        if (ret)