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From: Guenter Roeck <linux@roeck-us.net>
To: Eddie James <eajames@linux.ibm.com>, Ben Pai <Ben_Pai@wistron.com>
Cc: robh+dt@kernel.org, jdelvare@suse.com,
	linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org,
	devicetree@vger.kernel.org, corbet@lwn.net, wangat@tw.ibm.com,
	Andy_YF_Wang@wistron.com, Claire_Ku@wistron.com
Subject: Re: [ v2] hwmon: (pmbus) Add Wistron power supply pmbus driver
Date: Thu, 12 Dec 2019 18:28:24 -0800	[thread overview]
Message-ID: <c5d72bfe-0ebc-5d9a-ebad-092ff802cc5c@roeck-us.net> (raw)
In-Reply-To: <97651ec9-e467-dbd9-dcb8-b3efe1387fef@linux.ibm.com>

On 12/12/19 3:54 PM, Eddie James wrote:
> 
> On 12/8/19 7:44 AM, Ben Pai wrote:
>> Add the driver to monitor Wisreon power supplies with hwmon over pmbus.
> 
> 
> Hi Ben.
> 
> 
> This driver looks very similar to the IBM CFFPS driver. If you think they are similar enough, you may want to simply add a new version to that driver that supports your PSU.
> 

It would be nice to have datasheets for those power supplies.

Eddie - is it possible that the IBM power supply supports the WRITE_PROTECT
command and has a write protect bit set ? If yes, I just submitted a patch
for the PMBus core to address the situation; see
https://patchwork.kernel.org/patch/11289717/

Thanks,
Guenter

      reply	other threads:[~2019-12-13  2:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-08 13:44 [ v2] hwmon: (pmbus) Add Wistron power supply pmbus driver Ben Pai
2019-12-08 15:34 ` Guenter Roeck
2019-12-12 23:54 ` Eddie James
2019-12-13  2:28   ` Guenter Roeck [this message]

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