pata_arasan: Add clk_{un}prepare() support

clk_{un}prepare is mandatory for platforms using common clock framework. Since
this driver is used by SPEAr platform, which supports common clock framework,
add clk_{un}prepare() support for it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index bfaa5cb..d82c6dc 100644 (file)
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -310,7 +310,7 @@ static int cf_init(struct arasan_cf_dev *acdev)
        unsigned long flags;
        int ret = 0;
 
-       ret = clk_enable(acdev->clk);
+       ret = clk_prepare_enable(acdev->clk);
        if (ret) {
                dev_dbg(acdev->host->dev, "clock enable failed");
                return ret;
@@ -340,7 +340,7 @@ static void cf_exit(struct arasan_cf_dev *acdev)
        writel(readl(acdev->vbase + OP_MODE) & ~CFHOST_ENB,
                        acdev->vbase + OP_MODE);
        spin_unlock_irqrestore(&acdev->host->lock, flags);
-       clk_disable(acdev->clk);
+       clk_disable_unprepare(acdev->clk);
 }
 
 static void dma_callback(void *dev)