From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756392Ab3AWPiU (ORCPT ); Wed, 23 Jan 2013 10:38:20 -0500 Received: from mga03.intel.com ([143.182.124.21]:39788 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756224Ab3AWPiN (ORCPT ); Wed, 23 Jan 2013 10:38:13 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,523,1355126400"; d="scan'208";a="194342987" From: Andy Shevchenko To: Viresh Kumar , Vinod Koul , linux-kernel@vger.kernel.org, spear-devel Cc: Andy Shevchenko Subject: [PATCH v2 3/4] dw_dmac: fill individual length of descriptor Date: Wed, 23 Jan 2013 17:37:31 +0200 Message-Id: <1358955452-20960-4-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1358955452-20960-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1358955452-20960-1-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 It will be useful to have the length of the transfer in the descriptor. The cyclic transfer functions remained untouched. Signed-off-by: Andy Shevchenko --- drivers/dma/dw_dmac.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index c3062a5..026a3c7 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -756,6 +756,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, desc->lli.dar = dest + offset; desc->lli.ctllo = ctllo; desc->lli.ctlhi = xfer_count; + desc->len = xfer_count << src_width; if (!first) { first = desc; @@ -852,8 +853,8 @@ slave_sg_todev_fill_desc: dlen = len; len = 0; } - desc->lli.ctlhi = dlen >> mem_width; + desc->len = dlen; if (!first) { first = desc; @@ -912,6 +913,7 @@ slave_sg_fromdev_fill_desc: len = 0; } desc->lli.ctlhi = dlen >> reg_width; + desc->len = dlen; if (!first) { first = desc; -- 1.7.10.4