On Sun, Feb 14, 2021 at 09:48:53PM +0100, Michael Walle wrote: > Am 2021-02-14 03:24, schrieb Vladimir Oltean: > > On Sun, Feb 14, 2021 at 03:18:49AM +0100, Michael Walle wrote: > > > Am 14. Februar 2021 02:57:33 MEZ schrieb Vladimir Oltean > > > <olte...@gmail.com>: > > > >Hi Michael, > > > > > > > >On Sun, Feb 14, 2021 at 02:04:05AM +0100, Michael Walle wrote: > > > >> at803x_aneg_done() checks if auto-negotiation is completed on the SGMII > > > >> side. This doesn't take the mdio bus lock and the page switching is > > > >> open-coded. Now that we have proper page support, just use > > > >> phy_read_paged(). Also use phydev->interface to check if we have an > > > >> SGMII link instead of reading the mode register and be a bit more > > > >> precise on the warning message. > > > >> > > > >> Signed-off-by: Michael Walle <mich...@walle.cc> > > > >> --- > > > > > > > >How did you test this patch? > > > > > > I'm afraid it's just compile time tested. > > > > I'm asking because at803x_aneg_done has been dead code for more than 2 > > years now. Unreachable. And while it was reachable it was buggy and an > > abuse of the phylib API. So you might want to just delete this function > > instead. Context: > > https://lkml.org/lkml/2020/5/30/375 > > Are you sure? While it isn't called from phylib, it might be called from > some drivers directly or indirectly if they use phy_speed_down(). > But it is questionable if this is much of a use then. > > That being said, if no one objects, I'd remove it, too.
It might, true, but it is certainly of no use.