Re: [PATCH 03/17] net: phy: Attach generic PHY drivers through the driver core

[Andrew Lunn]

On Thu, Nov 05, 2026 at 01:42:16PM +0200, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
> 
> The generic PHY fallback probes directly before publishing its binding,
> bypassing driver-core admission and supplier checks.
> 
> Attach through the driver core so admission precedes functional setup.
> Callers hold RTNL, which a concurrent bind of a specific driver may wait
> for with the device lock held, so for this flow let's add
> device_driver_try_attach() so the attachment never waits for that lock.

FYI: This code is fragile, and causes issues. I will need to stare
long and hard at it before accepting it. So i'm unlikely to do that
until the basic idea is accepted.

I also wounder how a PHY is a threat. What is your threat model for an
Ethernet PHY?

      Andrew