From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755171Ab2AIItU (ORCPT ); Mon, 9 Jan 2012 03:49:20 -0500 Received: from tx2ehsobe004.messaging.microsoft.com ([65.55.88.14]:46722 "EHLO TX2EHSOBE007.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751467Ab2AIItT (ORCPT ); Mon, 9 Jan 2012 03:49:19 -0500 X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzz8275dhz2dh87h2a8h668h839h62h) X-Spam-TCS-SCL: 1:0 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPV:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-FB-DOMAIN-IP-MATCH: fail From: Richard Zhao To: , CC: , , , , , , Richard Zhao Subject: [PATCH 2/2] dma/imx-sdma: move clk_enable out of sdma_request_channel Date: Mon, 9 Jan 2012 16:49:00 +0800 Message-ID: <1326098940-3697-2-git-send-email-richard.zhao@linaro.org> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1326098940-3697-1-git-send-email-richard.zhao@linaro.org> References: <1326098940-3697-1-git-send-email-richard.zhao@linaro.org> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: sigmatel.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It makes clk_enable/disable pair more readable, and fix one bug: sdma_init calls sdma_request_channel, but seems don't know sdma_request_channel enabled the clok. Signed-off-by: Richard Zhao --- drivers/dma/imx-sdma.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 6376009..2a0e02d 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -802,8 +802,6 @@ static int sdma_request_channel(struct sdma_channel *sdmac) sdma->channel_control[channel].base_bd_ptr = sdmac->bd_phys; sdma->channel_control[channel].current_bd_ptr = sdmac->bd_phys; - clk_enable(sdma->clk); - sdma_set_channel_priority(sdmac, MXC_SDMA_DEFAULT_PRIORITY); init_completion(&sdmac->done); @@ -875,6 +873,9 @@ static int sdma_alloc_chan_resources(struct dma_chan *chan) sdmac->peripheral_type = data->peripheral_type; sdmac->event_id0 = data->dma_request; + + clk_enable(sdmac->sdma->clk); + ret = sdma_request_channel(sdmac); if (ret) return ret; -- 1.7.5.4