From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-4.sys.kth.se ([130.237.48.193]:48162 "EHLO smtp-4.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753093AbcFOLVc (ORCPT ); Wed, 15 Jun 2016 07:21:32 -0400 From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: dmaengine@vger.kernel.org, linux-renesas-soc@vger.kernel.org Cc: vinod.koul@intel.com, geert+renesas@glider.be, laurent.pinchart+renesas@ideasonboard.com, mfarooq@visteon.com, =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH 3/4] dma: rcar-dma: Fixed active descriptor initializing Date: Wed, 15 Jun 2016 13:13:07 +0200 Message-Id: <20160615111308.28739-4-niklas.soderlund+renesas@ragnatech.se> In-Reply-To: <20160615111308.28739-1-niklas.soderlund+renesas@ragnatech.se> References: <20160615111308.28739-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: From: Muhammad Hamza Farooq 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 Signed-off-by: Geert Uytterhoeven Signed-off-by: Niklas Söderlund --- drivers/dma/sh/rcar-dmac.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 7f26576..59951fb 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); -- 2.8.3