linux-kernel - [PATCH v2 1/6] dma/imx-sdma: let sdma_run_channel call sdma_enable

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Message-ID: <1326424201-20056-2-git-send-email-richard.zhao@linaro.org>
Date:	Fri, 13 Jan 2012 11:09:56 +0800
From:	Richard Zhao <richard.zhao@...aro.org>
To:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
CC:	<dan.j.williams@...el.com>, <vinod.koul@...el.com>,
	<shawn.guo@...aro.org>, <kernel@...gutronix.de>,
	<eric.miao@...aro.org>, <patches@...aro.org>,
	Richard Zhao <richard.zhao@...aro.org>
Subject: [PATCH v2 1/6] dma/imx-sdma: let sdma_run_channel call sdma_enable_channel

Let all enable channel code call sdma_enable_channel.

Signed-off-by: Richard Zhao <richard.zhao@...aro.org>
Acked-by: Shawn Guo <shawn.guo@...aro.org>
Acked-by: Sascha Hauer <s.hauer@...gutronix.de>
---
 drivers/dma/imx-sdma.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index f59fd8f..c2bc4f1 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -394,6 +394,11 @@ static int sdma_config_ownership(struct sdma_channel *sdmac,
 	return 0;
 }
 
+static void sdma_enable_channel(struct sdma_engine *sdma, int channel)
+{
+	__raw_writel(1 << channel, sdma->regs + SDMA_H_START);
+}
+
 /*
  * sdma_run_channel - run a channel and wait till it's done
  */
@@ -405,7 +410,7 @@ static int sdma_run_channel(struct sdma_channel *sdmac)
 
 	init_completion(&sdmac->done);
 
-	__raw_writel(1 << channel, sdma->regs + SDMA_H_START);
+	sdma_enable_channel(sdma, channel);
 
 	ret = wait_for_completion_timeout(&sdmac->done, HZ);
 
@@ -811,11 +816,6 @@ out:
 	return ret;
 }
 
-static void sdma_enable_channel(struct sdma_engine *sdma, int channel)
-{
-	__raw_writel(1 << channel, sdma->regs + SDMA_H_START);
-}
-
 static dma_cookie_t sdma_assign_cookie(struct sdma_channel *sdmac)
 {
 	dma_cookie_t cookie = sdmac->chan.cookie;
-- 
1.7.5.4


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