lkml.org 
[lkml]   [2016]   [Oct]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] phy: micrel.c: Support ksz9031 energy-detect power-down mode
From
Date
On 03-10-16 16:35, Andrew Lunn wrote:
>> + Boolean:
>> +
>> + - enable-edpd : Not related to timing. Specify this property to enable
>> + energy-detect power-down mode in the PHY.
>
> The Broadcom PHYs unconditionally enable this feature.
>
> The SMSC driver has an option: smsc,disable-energy-detect because it
> seems to have a rare hardware bug when it is enabled.
>
> And you would like to make it off by default.
>
> Could we avoid having three drivers doing three different things?
> Could you have it unconditionally on, and see if anybody reports it
> being broken?

Good suggestion I think. It's a feature found on many PHYs, apparently
without any ill effects, so just enabling unconditionally simplifies
things. And it's good for the environment...

I'll post a v2 patch (which won't need devicetree changes then).

--
Mike Looijmans

\
 
 \ /
  Last update: 2016-10-03 18:31    [W:1.354 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site