Re: [PATCH net v2] net: stmmac: resume PHY before hardware setup when opening the interface

Jakub Raczynski <[email protected]> Tue, 7 Jul 2026 23:45:34 +0200

Newsgroups	dev.linux.lists.regressions,org.infradead.lists.linux-arm-kernel,org.kernel.vger.netdev
Message-ID	<[email protected]>

On Tue, Jul 07, 2026 at 11:13:46PM +0200, Jakub Raczynski wrote:
> - This change is actually broken - in previous patch rtnl_lock() was asserted
>   by dev_ioctl(), but in this version it is not asserted anywhere and will
>   trigger WARN_ONCE().

Ok, as I looked again, I am wrong again, ndo_open() does hold rtnl_lock
already. So from this point it is good. Relocking would create deadlock,
so I take that part of comment back.

BR
Jakub Raczynski