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dma: mxs-dma: Always leave mxs_dma_init() with the clock disabled. 

There is no need to have the clock enabled all the time the driver is
loaded.
It will be enabled anyway in mxs_dma_alloc_chan_resources() when a
channel is actually going to be used.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Lothar Waßmann 2011-12-08 09:15:42 +01:00 committed by Vinod Koul
parent 400312201b
commit feb397de65
1 changed files with 2 additions and 5 deletions
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7
drivers/dma/mxs-dma.c
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@ -580,7 +580,7 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
ret = clk_enable(mxs_dma->clk);
if (ret)
goto err_out;
return ret;
ret = mxs_reset_block(mxs_dma->base);
if (ret)
@ -604,11 +604,8 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
writel(MXS_DMA_CHANNELS_MASK << MXS_DMA_CHANNELS,
mxs_dma->base + HW_APBHX_CTRL1 + MXS_SET_ADDR);
clk_disable(mxs_dma->clk);
return 0;
err_out:
clk_disable(mxs_dma->clk);
return ret;
}