Merge branch 'for-2637/i2c/samsung' into next-i2c
Ben Dooks [Thu, 28 Oct 2010 09:07:14 +0000 (10:07 +0100)]
drivers/i2c/busses/i2c-s3c2410.c

index 6a292ea..6c00c10 100644 (file)
@@ -554,18 +554,23 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
        int retry;
        int ret;
 
+       clk_enable(i2c->clk);
+
        for (retry = 0; retry < adap->retries; retry++) {
 
                ret = s3c24xx_i2c_doxfer(i2c, msgs, num);
 
-               if (ret != -EAGAIN)
+               if (ret != -EAGAIN) {
+                       clk_disable(i2c->clk);
                        return ret;
+               }
 
                dev_dbg(i2c->dev, "Retrying transmission (%d)\n", retry);
 
                udelay(100);
        }
 
+       clk_disable(i2c->clk);
        return -EREMOTEIO;
 }
 
@@ -910,6 +915,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, i2c);
 
        dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev));
+       clk_disable(i2c->clk);
        return 0;
 
  err_cpufreq:
@@ -977,7 +983,9 @@ static int s3c24xx_i2c_resume(struct device *dev)
        struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev);
 
        i2c->suspended = 0;
+       clk_enable(i2c->clk);
        s3c24xx_i2c_init(i2c);
+       clk_disable(i2c->clk);
 
        return 0;
 }