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

Reply via email to