Re: [PATCH net-next v4 0/4] net: mdio: support dynamic OF device changes

Andrew Lunn <[email protected]> Fri, 7 Aug 2026 19:14:27 +0200

Newsgroups	gmane.linux.drivers.devicetree,gmane.linux.network,gmane.linux.kernel,gmane.linux.ports.arm.kernel,gmane.linux.ports.arm.omap,gmane.linux.usb.general,gmane.linux.power-management.general
Message-ID	<[email protected]>

> I guess it can also be used like this for live dt modification:

A guess is not good enough. Give us a concrete, in kernel use cases.

> AFAIU the patches other than the last one are still relevant regardless
> since they are fixing a bunch of generic mdio safety issues in code that
> has users since MDIO maps already change at runtime through non-OF
> paths(i.e. SFP insertion/removal).

Fixes are fine, but please word the commit message around real things
that can happen in todays kernel. If it is a race condition, such bug
reports often show the call stack of the two racing threads.

Do you have a board with an SFP cage? Can you test your change.

   Andrew