Commit 48c73659 authored Jun 30, 2016 by Muhammad Hamza Farooq Committed by Vinod Koul Jul 08, 2016

dmaengine: rcar-dmac: Fixed active descriptor initializing

Running descriptor pointer is set to NULL upon freeing resources. Other-
wise, rcar_dmac_issue_pending might not start new transfers

Signed-off-by: Muhammad Hamza Farooq <mfarooq@visteon.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent 0f78e3b5

drivers/dma/sh/rcar-dmac.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -990,6 +990,8 @@ static void rcar_dmac_free_chan_resources(struct dma_chan *chan)
		list_splice_init(&rchan->desc.done, &list);
		list_splice_init(&rchan->desc.wait, &list);

		rchan->desc.running = NULL;

		list_for_each_entry(desc, &list, node)
		rcar_dmac_realloc_hwdesc(rchan, desc, 0);