From patchwork Thu Jun 30 20:05:28 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Corbet X-Patchwork-Id: 933452 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p5UK3udu014805 for ; Thu, 30 Jun 2011 20:36:42 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754175Ab1F3UFo (ORCPT ); Thu, 30 Jun 2011 16:05:44 -0400 Received: from tex.lwn.net ([70.33.254.29]:58893 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754187Ab1F3UFm (ORCPT ); Thu, 30 Jun 2011 16:05:42 -0400 Received: from localhost.localdomain (c-71-196-136-137.hsd1.co.comcast.net [71.196.136.137]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by vena.lwn.net (Postfix) with ESMTP id 1BF4C154005D; Thu, 30 Jun 2011 14:05:42 -0600 (MDT) From: Jonathan Corbet To: linux-media@vger.kernel.org Cc: Marek Szyprowski , Kassey Lee , Jonathan Corbet Subject: [PATCH 2/2] marvell-cam: use S/G DMA by default Date: Thu, 30 Jun 2011 14:05:28 -0600 Message-Id: <1309464328-67565-3-git-send-email-corbet@lwn.net> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1309464328-67565-1-git-send-email-corbet@lwn.net> References: <1309464328-67565-1-git-send-email-corbet@lwn.net> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 30 Jun 2011 20:36:44 +0000 (UTC) Scatter/gather DMA mode works nicely on this platform and is clearly the best way of doing things. Signed-off-by: Jonathan Corbet --- drivers/media/video/marvell-ccic/mmp-driver.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/marvell-ccic/mmp-driver.c b/drivers/media/video/marvell-ccic/mmp-driver.c index 7b9c48c..8415915 100644 --- a/drivers/media/video/marvell-ccic/mmp-driver.c +++ b/drivers/media/video/marvell-ccic/mmp-driver.c @@ -180,7 +180,7 @@ static int mmpcam_probe(struct platform_device *pdev) mcam->dev = &pdev->dev; mcam->use_smbus = 0; mcam->chip_id = V4L2_IDENT_ARMADA610; - mcam->buffer_mode = B_vmalloc; /* Switch to dma */ + mcam->buffer_mode = B_DMA_sg; spin_lock_init(&mcam->dev_lock); /* * Get our I/O memory.