From: Valentin Longchamp <valen...@longchamp.me> Date: Wed, 20 May 2020 17:53:50 +0200
> ugeth_quiesce/activate are used to halt the controller when there is a > link change that requires to reconfigure the mac. > > The previous implementation called netif_device_detach(). This however > causes the initial activation of the netdevice to fail precisely because > it's detached. For details, see [1]. > > A possible workaround was the revert of commit > net: linkwatch: add check for netdevice being present to linkwatch_do_dev > However, the check introduced in the above commit is correct and shall be > kept. > > The netif_device_detach() is thus replaced with > netif_tx_stop_all_queues() that prevents any tranmission. This allows to > perform mac config change required by the link change, without detaching > the corresponding netdevice and thus not preventing its initial > activation. > > [1] https://lists.openwall.net/netdev/2020/01/08/201 > > Signed-off-by: Valentin Longchamp <valen...@longchamp.me> > Acked-by: Matteo Ghidoni <matteo.ghid...@ch.abb.com> Applied, thanks.