i2c: Add log_ret() on error

Add a few of these calls to make it easier to see where an error occurs,
if CONFIG_LOG_ERROR_RETURN is enabled.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Heiko Schocher <hs@denx.de>

diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c
index 8bc69e870fd4389cc532eaa7e95af561acb75b99..2373aa2ea4c29801186764352dec823f611d3b98 100644 (file)
--- a/drivers/i2c/i2c-uclass.c
+++ b/drivers/i2c/i2c-uclass.c
@@ -458,7 +458,7 @@ int i2c_set_chip_offset_len(struct udevice *dev, uint offset_len)
        struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
 
        if (offset_len > I2C_MAX_OFFSET_LEN)
-               return -EINVAL;
+               return log_ret(-EINVAL);
        chip->offset_len = offset_len;
 
        return 0;
@@ -625,7 +625,7 @@ int i2c_chip_ofdata_to_platdata(struct udevice *dev, struct dm_i2c_chip *chip)
        if (addr == -1) {
                debug("%s: I2C Node '%s' has no 'reg' property %s\n", __func__,
                      dev_read_name(dev), dev->name);
-               return -EINVAL;
+               return log_ret(-EINVAL);
        }
        chip->chip_addr = addr;