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authorJavier Martinez Canillas <javier@osg.samsung.com>2016-04-20 17:37:55 +0300
committerWolfram Sang <wsa@the-dreams.de>2016-04-26 01:32:03 +0300
commit8f8edd491ac64c3cfe4e8ffff2b7385df5c02860 (patch)
treedd4d43aca20405a371f73183fed8bd15ad3cc696 /drivers/i2c
parent0915833bd5f9987fdcdb491da1e75026bae05683 (diff)
downloadlinux-8f8edd491ac64c3cfe4e8ffff2b7385df5c02860.tar.xz
i2c: s3c2410: Print errno code in error logs
The driver not always prints the error code in case of a failure but this information can be very useful for debugging. So let's print if available. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index dde1abce07ee..c08830549578 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -926,7 +926,7 @@ static int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb,
i2c_unlock_adapter(&i2c->adap);
if (ret < 0)
- dev_err(i2c->dev, "cannot find frequency\n");
+ dev_err(i2c->dev, "cannot find frequency (%d)\n", ret);
else
dev_info(i2c->dev, "setting freq %d\n", got);
}
@@ -977,7 +977,8 @@ static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
ret = gpio_request(gpio, "i2c-bus");
if (ret) {
- dev_err(i2c->dev, "gpio [%d] request failed\n", gpio);
+ dev_err(i2c->dev, "gpio [%d] request failed (%d)\n",
+ gpio, ret);
goto free_gpio;
}
}