Subject: Re: [PATCH net-next v8 6/9] net: phy: c22: migrate to genphy_c45_write_eee_adv()

From: Guenter Roeck <[email-masked]>
Date: Fri, 24 Feb 2023 09:20:04 -0800

Copying regzbot.
  
#regzbot ^introduced 9b01c885be36
#regzbot title Network interface initialization failures on xtensa, arm:cubieboard
#regzbot ignore-activity

On Thu, Feb 23, 2023 at 08:16:06PM -0800, Guenter Roeck wrote:
> On Thu, Feb 23, 2023 at 07:55:55PM -0800, Guenter Roeck wrote:
> > On Sat, Feb 11, 2023 at 08:41:10AM +0100, Oleksij Rempel wrote:
> > > Migrate from genphy_config_eee_advert() to genphy_c45_write_eee_adv().
> > > 
> > > It should work as before except write operation to the EEE adv registers
> > > will be done only if some EEE abilities was detected.
> > > 
> > > If some driver will have a regression, related driver should provide own
> > > .get_features callback. See micrel.c:ksz9477_get_features() as example.
> > > 
> > > Signed-off-by: Oleksij Rempel <[email-masked]>
> > > Reviewed-by: Andrew Lunn <[email-masked]>
> > 
> > This patch causes network interface failures with all my xtensa qemu
> > emulations. Reverting it fixes the problem. Bisect log is attached
> > for reference.
> > 
> 
> Also affected are arm:cubieboard emulations, with same symptom.
> arm:bletchley-bmc emulations crash. In both cases, reverting this patch
> fixes the problem.
> 
> Guenter