On 5/29/20 5:46 AM, Manikandan Elumalai wrote: > The adm1278 temperature sysfs attribute need it for one of the openbmc platform . > This functionality is not enabled by default, so PMON_CONFIG needs to be modified in order to enable it. > > Signed-off-by : Manikandan Elumalai <manikandan.hcl.ers.epl@xxxxxxxxx> This is not valid. > > v2: > - Add Signed-off-by. > - Removed ADM1278_TEMP1_EN check. checkpatch reports: > ---WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line) #14: The adm1278 temperature sysfs attribute need it for one of the openbmc platform . CHECK: Alignment should match open parenthesis #45: FILE: drivers/hwmon/pmbus/adm1275.c:679: + ret = i2c_smbus_write_byte_data(client, + ADM1275_PMON_CONFIG, WARNING: suspect code indent for conditional statements (16, 16) #47: FILE: drivers/hwmon/pmbus/adm1275.c:681: + if (ret < 0) { + dev_err(&client->dev, ERROR: Missing Signed-off-by: line(s) total: 1 errors, 2 warnings, 1 checks, 33 lines checked Please follow published guidelines when submitting patches. > drivers/hwmon/pmbus/adm1275.c | 21 +++++++++++++++++---- > 1 file changed, 17 insertions(+), 4 deletions(-) > > diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c > index 5caa37fb..ab5fceb 100644 > --- a/drivers/hwmon/pmbus/adm1275.c > +++ b/drivers/hwmon/pmbus/adm1275.c > @@ -666,7 +666,23 @@ static int adm1275_probe(struct i2c_client *client, > tindex = 3; > > info->func[0] |= PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT | > - PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; > + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | > + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; > + > + config = i2c_smbus_read_byte_data(client, ADM1275_PMON_CONFIG); > + if (config < 0) > + return config; > + > + /* Enable TEMP1 by default */ > + config |= ADM1278_TEMP1_EN; > + ret = i2c_smbus_write_byte_data(client, > + ADM1275_PMON_CONFIG, > + config); > + if (ret < 0) { > + dev_err(&client->dev, > + "Failed to enable temperature config\n"); > + return -ENODEV; > + } This can be handled in a single operation, together with ADM1278_VOUT_EN below. There is no need for two separate write operations. Guenter > > /* Enable VOUT if not enabled (it is disabled by default) */ > if (!(config & ADM1278_VOUT_EN)) { > @@ -681,9 +697,6 @@ static int adm1275_probe(struct i2c_client *client, > } > } > > - if (config & ADM1278_TEMP1_EN) > - info->func[0] |= > - PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; > if (config & ADM1278_VIN_EN) > info->func[0] |= PMBUS_HAVE_VIN; > break; >