Re: [PATCH v4] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN

From: Guenter Roeck
Date: Fri Jun 19 2020 - 14:41:13 EST


On 6/19/20 9:51 AM, Manikandan Elumalai wrote:
> The adm1278 temp attribute need it for openbmc platform .
> This feature not enabled by default, so PMON_CONFIG needs to enable it.
>
> Signed-off-by: Manikandan Elumalai <manikandan.hcl.ers.epl@xxxxxxxxx>

In addition to the other comment - please never send a new version of a patch
with the same sequence number. There are now two different versions of this patch,
both tagged "v4".

Guenter

> ---
> --- v4 -Reported-by: kernel test robot <lkp@xxxxxxxxx>
> --- v3 -fix invalid signed-off.
> --- -removed checkpath warnings.
> --- -write ADM1278_TEMP1_EN and ADM1278_VOUT_EN conf in single line operation.
> --- v2 -add Signed-off-by.
> --- -removed ADM1278_TEMP1_EN check.
> ---
> ---
> drivers/hwmon/pmbus/adm1275.c | 12 +++++-------
> 1 file changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c
> index 5caa37fb..d4e1925 100644
> --- a/drivers/hwmon/pmbus/adm1275.c
> +++ b/drivers/hwmon/pmbus/adm1275.c
> @@ -666,11 +666,12 @@ 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)) {
> - config |= ADM1278_VOUT_EN;
> + /* Enable VOUT & TEMP1 if not enabled (disabled by default) */
> + if ((config & (ADM1278_VOUT_EN | ADM1278_TEMP1_EN)) != (ADM1278_VOUT_EN | ADM1278_TEMP1_EN)) {
> + config |= ADM1278_VOUT_EN | ADM1278_TEMP1_EN;
> ret = i2c_smbus_write_byte_data(client,
> ADM1275_PMON_CONFIG,
> config);
> @@ -681,9 +682,6 @@ 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;
>