linux-kernel - Re: [PATCH] hwmon: (ibmpowernv) Add min/max attributes and current sensors

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Date:   Sat, 22 Apr 2017 16:11:56 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com>,
        Cédric Le Goater <clg@...d.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Paul Mackerras <paulus@...ba.org>
Cc:     linux-hwmon@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, svaidy@...ux.vnet.ibm.com,
        ego@...ux.vnet.ibm.com, akshay.adiga@...ux.vnet.ibm.com,
        andrew@...id.au
Subject: Re: [PATCH] hwmon: (ibmpowernv) Add min/max attributes and current sensors

Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com> writes:
> On 04/21/2017 05:17 PM, Cédric Le Goater wrote:
>> On 04/21/2017 06:31 AM, Shilpasri G Bhat wrote:
>>> diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c
>>> index 6d2e660..1f329fa8 100644
>>> --- a/drivers/hwmon/ibmpowernv.c
>>> +++ b/drivers/hwmon/ibmpowernv.c
>>> @@ -65,7 +66,8 @@ enum sensors {
>>>  	{"fan", "ibm,opal-sensor-cooling-fan"},
>>>  	{"temp", "ibm,opal-sensor-amb-temp"},
>>>  	{"in", "ibm,opal-sensor-power-supply"},
>>> -	{"power", "ibm,opal-sensor-power"}
>>> +	{"power", "ibm,opal-sensor-power"},
>>> +	{"curr"}, /* Follows newer device tree compatible ibm,opal-sensor */
>> 
>> why isn't there a compatible string ? 
>
> Skiboot exports "ibm,opal-sensor" as compatible string for all the inband
> sensors. Now if I define that as the compatible string here, then all the
> sensors would get identified as "curr" type of sensor by the driver.

So fix it in skiboot?

cheers