Re: [PATCH net-next] net: phy: call phy_init_hw() in phy resume path

Andrew Lunn
2026-04-10T16:01:02Z

On Fri, Apr 10, 2026 at 04:22:23PM +0100, Russell King (Oracle) wrote:
> On Fri, Apr 10, 2026 at 05:15:21PM +0200, Andrew Lunn wrote:
> > > Apart from that, looks fine to me - it seems some paths call
> > > phy_init_hw() can be called with or without phydev->lock held, and
> > > this one will call it with the lock held which seems to be okay.
> >
> > Haven't we had deadlocks in this area before?
>
> If we have a problem calling phy_init_hw() with phydev->lock held, then:

I thought it was an AB-BA with RTNL?

Lets see what PROVE_LOCKING actually says. I could be remembering
wrongly.

Andrew