Re: [RFC] net: phy: smsc: Disable auto-negotiation on startup

From: Florian Fainelli
Date: Wed Oct 12 2016 - 05:39:11 EST

On 10/10/2016 10:41 AM, Kyle Roeschley wrote:
> Because the SMSC PHY completes auto-negotiation before the driver is
> ready to handle interrupts, the PHY state machine never realizes that we
> have a link. Clear the ANENABLE bit on initialization, which lets
> genphy_config_aneg do its thing when that code is hit later.
> While this patch does fix the problem we see (no link on boot without
> re-plugging the cable), it seems like the generic PHY code should be
> able to handle auto-negotiation completing before interrupts are
> enabled. Submitted as an RFC in the hopes that someone has an idea as to
> how that could be done.
> This fix is copied from commit 99f81afc139c ("phy: micrel: Disable auto
> negotiation on startup").

Do you mind trying:

and see if you do get link interrupts without your patch applied? Thanks!