[PATCH v3 20/34] dmaengine: xilinx-dpdma: kill vchan BH on remove

Frank Li Frank.li at oss.nxp.com
Wed Sep 2 08:31:33 PDT 2026


On Mon, Aug 10, 2026 at 11:09:21AM -0700, Allen Pais wrote:
> virt-dma now dispatches completion callbacks through per-channel BH
> work. Cancel that work when removing a channel, while retaining the
> driver's separate error-handling tasklet.
>
> Signed-off-by: Allen Pais <allen.lkml at gmail.com>
> ---

Reviewed-by: Frank Li <Frank.Li at nxp.com>

>  drivers/dma/xilinx/xilinx_dpdma.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/dma/xilinx/xilinx_dpdma.c b/drivers/dma/xilinx/xilinx_dpdma.c
> index d9a3542c4531..7e147ea11368 100644
> --- a/drivers/dma/xilinx/xilinx_dpdma.c
> +++ b/drivers/dma/xilinx/xilinx_dpdma.c
> @@ -1685,6 +1685,7 @@ static void xilinx_dpdma_chan_remove(struct xilinx_dpdma_chan *chan)
>  		return;
>
>  	tasklet_kill(&chan->err_task);
> +	dmaengine_kill_bh(&chan->vchan.chan);
>  	list_del(&chan->vchan.chan.device_node);
>  }
>
> --
> 2.43.0
>



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