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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:43:58 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:35 -0700 |
| commit | 7d5779993dbc487695fbfe88716fd70618a5db99 (patch) | |
| tree | 593db3bb18fc6a5ac3f521f020b674bcc87618ba /drivers/power/pmic/rk808.c | |
| parent | 1b30d61d786421a5d02725a9945552cc9c09914b (diff) | |
| download | u-boot-imx-7d5779993dbc487695fbfe88716fd70618a5db99.zip u-boot-imx-7d5779993dbc487695fbfe88716fd70618a5db99.tar.gz u-boot-imx-7d5779993dbc487695fbfe88716fd70618a5db99.tar.bz2 | |
dm: power: Tidy up debugging output and return values
The currect PMIC debugging is a little confusing. Adjust it so that it is
clear whether the operation succeeded or failed. Also, avoid creating a new
error return value when a perfectly good one is already available.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/power/pmic/rk808.c')
| -rw-r--r-- | drivers/power/pmic/rk808.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/power/pmic/rk808.c b/drivers/power/pmic/rk808.c index 11d5f07..770f471 100644 --- a/drivers/power/pmic/rk808.c +++ b/drivers/power/pmic/rk808.c @@ -30,9 +30,12 @@ static int rk808_reg_count(struct udevice *dev) static int rk808_write(struct udevice *dev, uint reg, const uint8_t *buff, int len) { - if (dm_i2c_write(dev, reg, buff, len)) { + int ret; + + ret = dm_i2c_write(dev, reg, buff, len); + if (ret) { debug("write error to device: %p register: %#x!", dev, reg); - return -EIO; + return ret; } return 0; @@ -40,9 +43,12 @@ static int rk808_write(struct udevice *dev, uint reg, const uint8_t *buff, static int rk808_read(struct udevice *dev, uint reg, uint8_t *buff, int len) { - if (dm_i2c_read(dev, reg, buff, len)) { + int ret; + + ret = dm_i2c_read(dev, reg, buff, len); + if (ret) { debug("read error from device: %p register: %#x!", dev, reg); - return -EIO; + return ret; } return 0; |