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>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index d04662e94467..b0e6ac3e09aa 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -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;
 }