From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752677Ab3AUJBC (ORCPT ); Mon, 21 Jan 2013 04:01:02 -0500 Received: from mga14.intel.com ([143.182.124.37]:2102 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752465Ab3AUJBA (ORCPT ); Mon, 21 Jan 2013 04:01:00 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,505,1355126400"; d="scan'208";a="193347415" From: Andy Shevchenko To: Viresh Kumar , Vinod Koul , linux-kernel@vger.kernel.org, spear-devel Cc: Andy Shevchenko Subject: [PATCH 1/2] dw_dmac: fill len field of the descriptor Date: Mon, 21 Jan 2013 11:00:43 +0200 Message-Id: <1358758844-24711-1-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 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 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 3ff9ef7..d1b9ba2 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -754,6 +754,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, first = desc; } else { prev->lli.llp = desc->txd.phys; + desc->len = xfer_count << src_width; list_add_tail(&desc->desc_node, &first->tx_list); } @@ -852,6 +853,7 @@ slave_sg_todev_fill_desc: first = desc; } else { prev->lli.llp = desc->txd.phys; + desc->len = dlen; list_add_tail(&desc->desc_node, &first->tx_list); } @@ -910,6 +912,7 @@ slave_sg_fromdev_fill_desc: first = desc; } else { prev->lli.llp = desc->txd.phys; + desc->len = dlen; list_add_tail(&desc->desc_node, &first->tx_list); } -- 1.7.10.4