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| author | Shawn Guo <shawn.guo@linaro.org> | 2011-12-20 13:54:00 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2011-12-28 21:29:30 +0800 |
| commit | 759a2e30d288032130f1f77092e72d4ec87ad4d0 (patch) | |
| tree | fa6e62b3823eddd4251a830a8d79c31ef305e0a2 | |
| parent | 0ebafefcaa7a383b728d977a718e23e69ce84050 (diff) | |
| download | lwn-759a2e30d288032130f1f77092e72d4ec87ad4d0.tar.gz lwn-759a2e30d288032130f1f77092e72d4ec87ad4d0.zip | |
dma: mxs-dma: convert to clk_prepare/clk_unprepare
The patch converts mxs-dma driver to clk_prepare/clk_unprepare by
using helper functions clk_prepare_enable/clk_disable_unprepare.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
| -rw-r--r-- | drivers/dma/mxs-dma.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index b4588bdd98bb..fc903c0ed234 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -334,7 +334,7 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan) goto err_irq; } - ret = clk_enable(mxs_dma->clk); + ret = clk_prepare_enable(mxs_dma->clk); if (ret) goto err_clk; @@ -372,7 +372,7 @@ static void mxs_dma_free_chan_resources(struct dma_chan *chan) dma_free_coherent(mxs_dma->dma_device.dev, PAGE_SIZE, mxs_chan->ccw, mxs_chan->ccw_phys); - clk_disable(mxs_dma->clk); + clk_disable_unprepare(mxs_dma->clk); } static struct dma_async_tx_descriptor *mxs_dma_prep_slave_sg( @@ -578,7 +578,7 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma) { int ret; - ret = clk_enable(mxs_dma->clk); + ret = clk_prepare_enable(mxs_dma->clk); if (ret) goto err_out; @@ -604,7 +604,7 @@ 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); + clk_disable_unprepare(mxs_dma->clk); return 0; |