From patchwork Mon Jun 6 07:30:13 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 850942 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.3) with ESMTP id p567Mf1v023484 for ; Mon, 6 Jun 2011 07:22:41 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756671Ab1FFHWk (ORCPT ); Mon, 6 Jun 2011 03:22:40 -0400 Received: from mail-pw0-f46.google.com ([209.85.160.46]:37865 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756637Ab1FFHWk (ORCPT ); Mon, 6 Jun 2011 03:22:40 -0400 Received: by pwi15 with SMTP id 15so1930569pwi.19 for ; Mon, 06 Jun 2011 00:22:39 -0700 (PDT) Received: by 10.68.2.129 with SMTP id 1mr1532915pbu.145.1307344959625; Mon, 06 Jun 2011 00:22:39 -0700 (PDT) Received: from localhost.localdomain ([114.216.154.92]) by mx.google.com with ESMTPS id w2sm3488934pbg.37.2011.06.06.00.21.53 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 06 Jun 2011 00:22:39 -0700 (PDT) From: Shawn Guo To: linux-kernel@vger.kernel.org Cc: vinod.koul@intel.com, dan.j.williams@intel.com, cjb@laptop.org, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, patches@linaro.org, Shawn Guo Subject: [PATCH v2 2/3] dmaengine: mxs-dma: set up max_segment_number Date: Mon, 6 Jun 2011 15:30:13 +0800 Message-Id: <1307345414-26872-2-git-send-email-shawn.guo@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1307345414-26872-1-git-send-email-shawn.guo@linaro.org> References: <1307345414-26872-1-git-send-email-shawn.guo@linaro.org> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Mon, 06 Jun 2011 07:22:41 +0000 (UTC) It calls dmaengine API dma_set_max_seg_number to set device_dma_parameters max_segment_number. Signed-off-by: Shawn Guo --- drivers/dma/mxs-dma.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 88aad4f..875d8f6 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -670,6 +670,7 @@ static int __init mxs_dma_probe(struct platform_device *pdev) /* mxs_dma gets 65535 bytes maximum sg size */ mxs_dma->dma_device.dev->dma_parms = &mxs_dma->dma_parms; dma_set_max_seg_size(mxs_dma->dma_device.dev, MAX_XFER_BYTES); + dma_set_max_seg_number(mxs_dma->dma_device.dev, NUM_CCW); mxs_dma->dma_device.device_alloc_chan_resources = mxs_dma_alloc_chan_resources; mxs_dma->dma_device.device_free_chan_resources = mxs_dma_free_chan_resources;