From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Samin Guo Date: Wed, 17 Nov 2021 14:50:45 +0800 Subject: dmaengine: dw-axi-dmac: Handle xfer start while non-idle Signed-off-by: Samin Guo Signed-off-by: Curry Zhang --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 152c5d98524d..a7b3ea6644ae 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -1021,6 +1021,14 @@ static noinline void axi_chan_handle_err(struct axi_dma_chan *chan, u32 status) axi_chan_name(chan)); goto out; } + if (chan->is_err) { + struct axi_dma_desc *desc = vd_to_axi_desc(vd); + + axi_chan_block_xfer_start(chan, desc); + chan->is_err = false; + goto out; + } + /* Remove the completed descriptor from issued list */ list_del(&vd->node); -- Armbian