dma: mxs-dma: Update state after channel reset
After a channel reset, the channel stops running automatically. The
state update was missing so that a channel perperation right after a
channel reset failed.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 5302670..f48f87f 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -235,6 +235,8 @@
writel(1 << (chan_id + BP_APBHX_CHANNEL_CTRL_RESET_CHANNEL),
mxs_dma->base + HW_APBHX_CHANNEL_CTRL + STMP_OFFSET_REG_SET);
}
+
+ mxs_chan->status = DMA_COMPLETE;
}
static void mxs_dma_enable_chan(struct mxs_dma_chan *mxs_chan)
@@ -362,7 +364,7 @@
chan);
mxs_chan->status = DMA_ERROR;
mxs_dma_reset_chan(mxs_chan);
- } else {
+ } else if (mxs_chan->status != DMA_COMPLETE) {
if (mxs_chan->flags & MXS_DMA_SG_LOOP)
mxs_chan->status = DMA_IN_PROGRESS;
else