diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2010-10-28 05:07:14 -0400 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2010-10-28 05:07:14 -0400 |
| commit | e0b11c3c38de5b40301645e4d9f25a167a18990c (patch) | |
| tree | 44167afd977c31e29b24a5f0c77ce4aeddc18a7c | |
| parent | 375163854931694c2d2bd9c5da90daf3475c747b (diff) | |
| parent | d2360b8e845ce0e142e72697a504ee9372421dc3 (diff) | |
Merge branch 'for-2637/i2c/samsung' into next-i2c
| -rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 6a292ea5e35c..6c00c107ebf3 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c | |||
| @@ -554,18 +554,23 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap, | |||
| 554 | int retry; | 554 | int retry; |
| 555 | int ret; | 555 | int ret; |
| 556 | 556 | ||
| 557 | clk_enable(i2c->clk); | ||
| 558 | |||
| 557 | for (retry = 0; retry < adap->retries; retry++) { | 559 | for (retry = 0; retry < adap->retries; retry++) { |
| 558 | 560 | ||
| 559 | ret = s3c24xx_i2c_doxfer(i2c, msgs, num); | 561 | ret = s3c24xx_i2c_doxfer(i2c, msgs, num); |
| 560 | 562 | ||
| 561 | if (ret != -EAGAIN) | 563 | if (ret != -EAGAIN) { |
| 564 | clk_disable(i2c->clk); | ||
| 562 | return ret; | 565 | return ret; |
| 566 | } | ||
| 563 | 567 | ||
| 564 | dev_dbg(i2c->dev, "Retrying transmission (%d)\n", retry); | 568 | dev_dbg(i2c->dev, "Retrying transmission (%d)\n", retry); |
| 565 | 569 | ||
| 566 | udelay(100); | 570 | udelay(100); |
| 567 | } | 571 | } |
| 568 | 572 | ||
| 573 | clk_disable(i2c->clk); | ||
| 569 | return -EREMOTEIO; | 574 | return -EREMOTEIO; |
| 570 | } | 575 | } |
| 571 | 576 | ||
| @@ -910,6 +915,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) | |||
| 910 | platform_set_drvdata(pdev, i2c); | 915 | platform_set_drvdata(pdev, i2c); |
| 911 | 916 | ||
| 912 | dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev)); | 917 | dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev)); |
| 918 | clk_disable(i2c->clk); | ||
| 913 | return 0; | 919 | return 0; |
| 914 | 920 | ||
| 915 | err_cpufreq: | 921 | err_cpufreq: |
| @@ -977,7 +983,9 @@ static int s3c24xx_i2c_resume(struct device *dev) | |||
| 977 | struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); | 983 | struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); |
| 978 | 984 | ||
| 979 | i2c->suspended = 0; | 985 | i2c->suspended = 0; |
| 986 | clk_enable(i2c->clk); | ||
| 980 | s3c24xx_i2c_init(i2c); | 987 | s3c24xx_i2c_init(i2c); |
| 988 | clk_disable(i2c->clk); | ||
| 981 | 989 | ||
| 982 | return 0; | 990 | return 0; |
| 983 | } | 991 | } |
