On Thu, Apr 25, 2024 at 03:10:05PM -0700, Doug Berger wrote:
> The EXT_RGMII_OOB_CTRL register can be written from different
> contexts. It is predominantly written from the adjust_link
> handler which is synchronized by the phydev->lock, but can
> also be written from a different context when configuring the
> mii in bcmgenet_mii_config().
>
> The chances of contention are quite low, but it is conceivable
> that adjust_link could occur during resume when WoL is enabled
> so use the phydev->lock synchronizer in bcmgenet_mii_config()
> to be sure.
>
> Fixes: afe3f907d20f ("net: bcmgenet: power on MII block for all MII modes")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Doug Berger <opendmb@xxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
