From: Muhammad Hamza Farooq <mfarooq@xxxxxxxxxxx> Signed-off-by: Muhammad Hamza Farooq <mfarooq@xxxxxxxxxxx> --- drivers/dma/sh/rcar-dmac.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 3af1846..6531ee5 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -327,7 +327,8 @@ static void rcar_dmac_chan_start_xfer(struct rcar_dmac_chan *chan) struct rcar_dmac_desc *desc = chan->desc.running; u32 chcr = desc->chcr; - WARN_ON_ONCE(rcar_dmac_chan_is_busy(chan)); + WARN_ON_ONCE(rcar_dmac_chan_is_busy(chan) || + rcar_dmac_last_tx_complete(chan)); if (chan->mid_rid >= 0) rcar_dmac_chan_write(chan, RCAR_DMARS, chan->mid_rid); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
