[PATCH linux dev-5.8] pmbus:max31785: Support revision "B"

Matthew Barth msbarth at linux.ibm.com
Tue Feb 2 01:14:26 AEDT 2021


On 1/31/21 4:46 PM, Andrew Jeffery wrote:
>
> On Sat, 30 Jan 2021, at 04:24, Matthew Barth wrote:
>> There was an issue in how the tach feedbacks of dual rotor fans were
>> reported during any change in fan speeds with revision "A" of the
>> MAX31785. When the fan speeds would transition to a new target speed,
>> the rotor not wired to the TACH input when TACHSEL = 0 would report a
>> speed of 0 until the new target was reached. This has been fixed,
>> resulting in a revision "B" update where the MFR_REVISION of "B" is
>> 0x3061.
>>
>> Signed-off-by: Matthew Barth <msbarth at linux.ibm.com>
> Can you please send this upstream?

Will do. Didn't realize this driver had got accepted upstream.


Matt

>
> Reviewed-by: Andrew Jeffery <andrew at aj.id.au>


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