i2c: s3c2410: use clk_prepare_enable and clk_disable_unprepare

Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare
calls as required by common clock framework.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 5ae3b0236bd325443cb508d12ca6438d1190276b..59cfcb45691a65aa25058bdef0866a8b03f9609d 100644 (file)
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -601,14 +601,14 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
        int ret;
 
        pm_runtime_get_sync(&adap->dev);
-       clk_enable(i2c->clk);
+       clk_prepare_enable(i2c->clk);
 
        for (retry = 0; retry < adap->retries; retry++) {
 
                ret = s3c24xx_i2c_doxfer(i2c, msgs, num);
 
                if (ret != -EAGAIN) {
-                       clk_disable(i2c->clk);
+                       clk_disable_unprepare(i2c->clk);
                        pm_runtime_put(&adap->dev);
                        return ret;
                }
@@ -618,7 +618,7 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
                udelay(100);
        }
 
-       clk_disable(i2c->clk);
+       clk_disable_unprepare(i2c->clk);
        pm_runtime_put(&adap->dev);
        return -EREMOTEIO;
 }
@@ -977,7 +977,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 
        dev_dbg(&pdev->dev, "clock source %p\n", i2c->clk);
 
-       clk_enable(i2c->clk);
+       clk_prepare_enable(i2c->clk);
 
        /* map the registers */
 
@@ -1065,7 +1065,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
        pm_runtime_enable(&i2c->adap.dev);
 
        dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev));
-       clk_disable(i2c->clk);
+       clk_disable_unprepare(i2c->clk);
        return 0;
 
  err_cpufreq:
@@ -1082,7 +1082,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
        kfree(i2c->ioarea);
 
  err_clk:
-       clk_disable(i2c->clk);
+       clk_disable_unprepare(i2c->clk);
        clk_put(i2c->clk);
 
  err_noclk:
@@ -1106,7 +1106,7 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
        i2c_del_adapter(&i2c->adap);
        free_irq(i2c->irq, i2c);
 
-       clk_disable(i2c->clk);
+       clk_disable_unprepare(i2c->clk);
        clk_put(i2c->clk);
 
        iounmap(i2c->regs);
@@ -1135,9 +1135,9 @@ static int s3c24xx_i2c_resume(struct device *dev)
        struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev);
 
        i2c->suspended = 0;
-       clk_enable(i2c->clk);
+       clk_prepare_enable(i2c->clk);
        s3c24xx_i2c_init(i2c);
-       clk_disable(i2c->clk);
+       clk_disable_unprepare(i2c->clk);
 
        return 0;
 }