From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932470Ab1ALN3Q (ORCPT ); Wed, 12 Jan 2011 08:29:16 -0500 Received: from mail.atmel.fr ([81.80.104.162]:36330 "EHLO atmel-es2.atmel.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932398Ab1ALN3O (ORCPT ); Wed, 12 Jan 2011 08:29:14 -0500 From: Nicolas Ferre To: dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, hong.xu@atmel.com, Nicolas Ferre Subject: [PATCH 3/6] dmaengine: at_hdmac: no need set ACK in new descriptor Date: Wed, 12 Jan 2011 15:39:07 +0100 Message-Id: <1294843150-6962-2-git-send-email-nicolas.ferre@atmel.com> X-Mailer: git-send-email 1.7.3 In-Reply-To: <1292435416-16927-1-git-send-email-nicolas.ferre@atmel.com> References: <1292435416-16927-1-git-send-email-nicolas.ferre@atmel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Following descriptor flow in at_hdmac driver, descriptor comming from atc_desc_get() as already DMA_CTRL_ACK flag set. No need to set it again. Signed-off-by: Nicolas Ferre --- drivers/dma/at_hdmac.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index a4dd4bc..4f83431 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -583,7 +583,6 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, desc->lli.ctrlb = ctrlb; desc->txd.cookie = 0; - async_tx_ack(&desc->txd); if (!first) { first = desc; -- 1.7.3