On Tue, Jan 23, 2018 at 03:43:25PM +0100, Lucas Stach wrote: > If we point to a PHY node by phandle, that PHY might well be on a MDIO > bus that hasn't been scanned when we look for the PHY. Fortunately we > know exactly where to look for the PHY, so make sure to scan the bus > at the right address. > > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > --- > v2: Only enter MII bus loop when the address property was found. > --- > drivers/net/phy/phy.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) Applied, thanks Sascha > > diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c > index 35a9ce7ea823..2b8fa63c0641 100644 > --- a/drivers/net/phy/phy.c > +++ b/drivers/net/phy/phy.c > @@ -319,6 +319,8 @@ static struct phy_device *of_mdio_find_phy(struct eth_device *edev) > { > struct device_d *dev; > struct device_node *phy_node; > + struct mii_bus *bus; > + int addr; > > if (!IS_ENABLED(CONFIG_OFDEVICE)) > return NULL; > @@ -340,6 +342,16 @@ static struct phy_device *of_mdio_find_phy(struct eth_device *edev) > if (!phy_node) > return NULL; > > + if (!of_property_read_u32(phy_node, "reg", &addr)) { > + for_each_mii_bus(bus) { > + if (bus->parent->device_node == phy_node->parent) { > + struct phy_device *phy = mdiobus_scan(bus, addr); > + if (!IS_ERR(phy)) > + return phy; > + } > + } > + } > + > bus_for_each_device(&mdio_bus_type, dev) { > if (dev->device_node == phy_node) > return container_of(dev, struct phy_device, dev); > -- > 2.11.0 > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox