On Thu, May 23, 2019 at 01:20:38AM +0000, Ioana Ciornei wrote: > A prerequisite for PHYLIB to work in the absence of a struct net_device > is to not access pointers to it. > > Changes are needed in the following areas: > > - Printing: In some places netdev_err was replaced with phydev_err. > > - Incrementing reference count to the parent MDIO bus driver: If there > is no net device, then the reference count should definitely be > incremented since there is no chance that it was an Ethernet driver > who registered the MDIO bus. > > - Sysfs links are not created in case there is no attached_dev. > > - No netif_carrier_off is done if there is no attached_dev.
Hi Ioana Looking at the functions changed here, they seem to be related to phy_attach(), phy_connect(), and phy_detach() etc. Is the intention you can call these functions and pass a NULL pointer for the net_device? Andrew