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SubjectRe: [PATCH v2] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN
On Fri, Jun 05, 2020 at 11:04:51AM -0700, Guenter Roeck wrote:
> On Fri, Jun 05, 2020 at 10:18:21PM +0530, Manikandan wrote:
> > On Fri, May 29, 2020 at 10:30:16AM -0700, Guenter Roeck wrote:
> > > 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@gmail.com>
> > >
> > > 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.
> > >
> > Thanks for review Guenter, Patrick and Vijay.
> > Sorry for delay response.
> > I have made changes to write ADM1278_VOUT_EN and ADM1278_TEMP1_EN in single
> > operation and tested in platfrom .
> > The changes given for quick look and will help if any misunderstand.
> >
> > --- a/drivers/hwmon/pmbus/adm1275.c
> > +++ b/drivers/hwmon/pmbus/adm1275.c
> > @@ -666,11 +666,11 @@ 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;
> >
> > /* Enable VOUT if not enabled (it is disabled by default) */
> > if (!(config & ADM1278_VOUT_EN)) {
>
> if (config & (ADM1278_VOUT_EN | ADM1278_TEMP1_EN) !=
> ADM1278_VOUT_EN | ADM1278_TEMP1_EN)
>
> > - config |= ADM1278_VOUT_EN;
> > + config |= (ADM1278_VOUT_EN | ADM1278_TEMP1_EN);
>
> ( ) is unnecessary here.

Thanks for quick review Guenter. I will submit all changes in v3.
>
> > ret = i2c_smbus_write_byte_data(client,
> > ADM1275_PMON_CONFIG,
> > config);
> > @@ -680,10 +680,6 @@ static int adm1275_probe(struct i2c_client *client,
> > return -ENODEV;
> > }
> > }
> > -
> > - 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;
> > > 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;
> > > >
> > >

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