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* [PATCH v5] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN
@ 2020-06-20  4:35 Manikandan Elumalai
  2020-06-20  5:19 ` Guenter Roeck
  0 siblings, 1 reply; 2+ messages in thread
From: Manikandan Elumalai @ 2020-06-20  4:35 UTC (permalink / raw)
  To: Guenter Roeck, Jean Delvare, linux-hwmon, linux-kernel
  Cc: saipsdasari, patrickw3, vijaykhemka, linux-aspeed, openbmc, manikandan.e

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@gmail.com>
---
---    v5 -align commit and change log. 
---    v4 -Reported-by: kernel test robot <lkp@intel.com>
---    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;
-- 
2.7.4


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH v5] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN
  2020-06-20  4:35 [PATCH v5] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN Manikandan Elumalai
@ 2020-06-20  5:19 ` Guenter Roeck
  0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2020-06-20  5:19 UTC (permalink / raw)
  To: Manikandan Elumalai, Jean Delvare, linux-hwmon, linux-kernel
  Cc: saipsdasari, patrickw3, vijaykhemka, linux-aspeed, openbmc, manikandan.e

On 6/19/20 9:35 PM, 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@gmail.com>
> ---
> ---    v5 -align commit and change log. 
> ---    v4 -Reported-by: kernel test robot <lkp@intel.com>
> ---    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.
> ---
> ---

Not that it matters much here, but why all the "---" instead of just one,
especially after you were advised that this is not the expected format ?

Guenter

>  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;
> 


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-06-20  4:35 [PATCH v5] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN Manikandan Elumalai
2020-06-20  5:19 ` Guenter Roeck

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