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Subject: Re: [PATCH] hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_1
 telemetry for RAA228228
To:     Grant Peltier <grantpeltier93@gmail.com>
Cc:     grant.peltier.jg@renesas.com, linux-kernel@vger.kernel.org,
        adam.vaughn.xh@renesas.com
References: <20200810183627.GA5457@raspberrypi>
From:   Guenter Roeck <linux@roeck-us.net>
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Message-ID: <47df1832-86f6-bb51-0488-d1d9ab0e0b6f@roeck-us.net>
Date:   Tue, 11 Aug 2020 10:17:16 -0700
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Sender: linux-kernel-owner@vger.kernel.org
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On 8/10/20 11:36 AM, Grant Peltier wrote:
> Per the RAA228228 datasheet, READ_TEMPERATURE_1 is not a supported PMBus
> command.
> 
> Signed-off-by: Grant Peltier <grantpeltier93@gmail.com>

Please copy linux-hwmon@vger.kernel.org on hwmon patches. This patch is not
in the hwmon patchwork, which in general almost guarantees that it gets lost
since I usually pull patches from there. As it happens, you are lucky
that I noticed. Patch applied.

Guenter

> ---
>  drivers/hwmon/pmbus/isl68137.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/pmbus/isl68137.c b/drivers/hwmon/pmbus/isl68137.c
> index 0c622711ef7e..58aa95a3c010 100644
> --- a/drivers/hwmon/pmbus/isl68137.c
> +++ b/drivers/hwmon/pmbus/isl68137.c
> @@ -67,6 +67,7 @@ enum variants {
>  	raa_dmpvr1_2rail,
>  	raa_dmpvr2_1rail,
>  	raa_dmpvr2_2rail,
> +	raa_dmpvr2_2rail_nontc,
>  	raa_dmpvr2_3rail,
>  	raa_dmpvr2_hv,
>  };
> @@ -241,6 +242,10 @@ static int isl68137_probe(struct i2c_client *client,
>  		info->pages = 1;
>  		info->read_word_data = raa_dmpvr2_read_word_data;
>  		break;
> +	case raa_dmpvr2_2rail_nontc:
> +		info->func[0] &= ~PMBUS_HAVE_TEMP;
> +		info->func[1] &= ~PMBUS_HAVE_TEMP;
> +		fallthrough;
>  	case raa_dmpvr2_2rail:
>  		info->pages = 2;
>  		info->read_word_data = raa_dmpvr2_read_word_data;
> @@ -304,7 +309,7 @@ static const struct i2c_device_id raa_dmpvr_id[] = {
>  	{"raa228000", raa_dmpvr2_hv},
>  	{"raa228004", raa_dmpvr2_hv},
>  	{"raa228006", raa_dmpvr2_hv},
> -	{"raa228228", raa_dmpvr2_2rail},
> +	{"raa228228", raa_dmpvr2_2rail_nontc},
>  	{"raa229001", raa_dmpvr2_2rail},
>  	{"raa229004", raa_dmpvr2_2rail},
>  	{}
>