From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755497Ab2GMILG (ORCPT ); Fri, 13 Jul 2012 04:11:06 -0400 Received: from mga14.intel.com ([143.182.124.37]:13242 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754940Ab2GMIJ6 (ORCPT ); Fri, 13 Jul 2012 04:09:58 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="167610904" From: Andy Shevchenko To: Viresh Kumar , linux-kernel@vger.kernel.org, Vinod Koul , Dan Williams Cc: Andy Shevchenko Subject: [PATCH 3/3] dw_dmac: set default alignment Date: Fri, 13 Jul 2012 11:09:34 +0300 Message-Id: <1342166974-4490-3-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1342166974-4490-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1342166974-4490-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The default values are filled to support at least mem-to-mem tests provided by dmatest module. It makes sense to choose the 4 bytes (2 least significant bits) alignment by the default. Signed-off-by: Andy Shevchenko --- drivers/dma/dw_dmac.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 3d061c6..2a19ab6 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1485,6 +1485,12 @@ static int __devinit dw_probe(struct platform_device *pdev) dw->dma.device_tx_status = dwc_tx_status; dw->dma.device_issue_pending = dwc_issue_pending; + /* Set default alignment */ + dw->dma.copy_align = 2; + dw->dma.xor_align = 2; + dw->dma.pq_align = 2; + dw->dma.fill_align = 2; + dma_writel(dw, CFG, DW_CFG_DMA_EN); printk(KERN_INFO "%s: DesignWare DMA Controller, %d channels\n", -- 1.7.10.4