Message ID | 20230620-feature-c45-over-c22-v3-5-9eb37edf7be0@kernel.org (mailing list archive) |
---|---|
State | Changes Requested |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | net: phy: C45-over-C22 access | expand |
On Wed, Jul 12, 2023 at 05:07:05PM +0200, Michael Walle wrote: > If there is an PHY which gets confused by C45 transactions on the MDIO > bus, print an info together with the PHY identifier of the offending > one. > > Signed-off-by: Michael Walle <mwalle@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Andrew
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 29ad9302fe11..bdc178671234 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -617,10 +617,10 @@ static int mdiobus_scan_bus_c45(struct mii_bus *bus) */ void mdiobus_scan_for_broken_c45_access(struct mii_bus *bus) { + struct phy_device *phydev; int i; for (i = 0; i < PHY_MAX_ADDR; i++) { - struct phy_device *phydev; u32 oui; phydev = mdiobus_get_phy(bus, i); @@ -633,6 +633,11 @@ void mdiobus_scan_for_broken_c45_access(struct mii_bus *bus) break; } } + + if (phydev && bus->prevent_c45_access) + dev_dbg(&bus->dev, + "Detected broken PHY (ID %08lx). Disabling C45 bus transactions.\n", + (unsigned long)phydev->phy_id); } EXPORT_SYMBOL_GPL(mdiobus_scan_for_broken_c45_access);
If there is an PHY which gets confused by C45 transactions on the MDIO bus, print an info together with the PHY identifier of the offending one. Signed-off-by: Michael Walle <mwalle@kernel.org> --- v3: - make it a dev_dbg() - check is phydev is not null --- drivers/net/phy/mdio_bus.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)