diff options
| author | Muhammad Hamza Farooq <mfarooq@visteon.com> | 2018-08-10 10:52:50 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben.hutchings@codethink.co.uk> | 2018-09-12 21:13:09 +0100 |
| commit | 7bf4f23a95eb194aecd1e6d3ed18cb163b877afc (patch) | |
| tree | 407f51db46535a423643621ea163dc15df21d952 | |
| parent | 367b5bf277f64cd719c0432800517f190b11ef8b (diff) | |
| download | linux-cip-7bf4f23a95eb194aecd1e6d3ed18cb163b877afc.tar.gz | |
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>
(cherry picked from commit 48c73659abae103a2f8531f825ce7a3f8dedbb39)
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
| -rw-r--r-- | drivers/dma/sh/rcar-dmac.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 89592625033f22..0ba6b8c02a28b6 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -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); |