From 759a2e30d288032130f1f77092e72d4ec87ad4d0 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Tue, 20 Dec 2011 13:54:00 +0800 Subject: 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 Acked-by: Marek Vasut Acked-by: Vinod Koul --- drivers/dma/mxs-dma.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/dma/mxs-dma.c') 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; -- cgit v1.2.3