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From: Guenter Roeck <linux@roeck-us.net>
To: Manikandan Elumalai <manikandan.hcl.ers.epl@gmail.com>,
	Jean Delvare <jdelvare@suse.com>,
	linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: saipsdasari@fb.com, patrickw3@fb.com, vijaykhemka@fb.com,
	linux-aspeed@lists.ozlabs.org, manikandan.e@hcl.com
Subject: Re: [PATCH v3] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN
Date: Mon, 8 Jun 2020 06:49:45 -0700	[thread overview]
Message-ID: <23597b7b-de89-2911-092e-f3e1ad4884f5@roeck-us.net> (raw)
In-Reply-To: <20200608104349.GA10918@cnn>

On 6/8/20 3:43 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.
> 
> 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.
> 
> Signed-off-by: Manikandan Elumalai <manikandan.hcl.ers.epl@gmail.com>
> ---
>  drivers/hwmon/pmbus/adm1275.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c
> index 5caa37fb..4782e31 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) */
> +		/* Enable VOUT & TEMP1 if not enabled (disabled by default) */
>  		if (!(config & ADM1278_VOUT_EN)) {

This if statement needs to be
		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;
>  			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;
> 


  reply	other threads:[~2020-06-08 13:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-08 10:43 [PATCH v3] hwmon:(adm1275) Enable adm1278 ADM1278_TEMP1_EN Manikandan Elumalai
2020-06-08 13:49 ` Guenter Roeck [this message]
2020-06-09 15:26   ` Manikandan
2020-06-09 16:56     ` Guenter Roeck

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