Subject: Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to phy_select/restore_page functions

From: Andrew Lunn <[email-masked]>
Date: Mon, 19 Nov 2018 17:12:04 +0100

On Mon, Nov 19, 2018 at 04:50:14PM +0100, Andreas Schwab wrote:
> On Nov 19 2018, Alexandre Belloni <[email-masked]> wrote:
> 
> > My first intuition is that he mac driver quentin is using does
> > phy_connect when the interface is opened while macb is doing it at probe
> > time. I didn't investigate but maybe this can help :)
> 
> The phy probing of macb is very unreliable, perhaps it needs to be
> rewritten.

Hi Andreas

I still don't see why that would cause a hang.

Could you turn on lockdep and see if it reports a deadlock.

Thanks
	Andrew