linux-kernel - Re: [PATCH] hwmon: pmbus: Make reg check and clear faults functions return errors

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Message-ID: <b9209305-6273-6147-a6de-033a1b3d190b@roeck-us.net>
Date:   Thu, 7 Sep 2017 06:40:49 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Andrew Jeffery <andrew@...id.au>
Cc:     linux-hwmon@...r.kernel.org, jdelvare@...e.com, corbet@....net,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org, joel@....id.au
Subject: Re: [PATCH] hwmon: pmbus: Make reg check and clear faults functions
 return errors

On 09/06/2017 04:32 PM, Andrew Jeffery wrote:

>>   
>> Guess I need to dig up my eval board and see if I can reproduce the problem.
>> Seems you are saying that the problem is always seen when issuing a sequence
>> of "clear faults" commands on multiple pages ?
> 
> Yeah. We're also seeing bad behaviour under other command sequences as well,
> which lead to this hack of a work-around patch[1].
> 
> I'd be very interested in the results of testing against the eval board. I
> don't have access to one and it seems Maxim have discontinued them.
> 

Do you have a somewhat reliable means to reproduce the problem ?

Guenter