[PATCH net-next v2 3/3] net: dsa: mv88e6xxx: mask apparently non-existing phys during probing
From: Klaus Kudielka <hidden>
Date: 2023-03-11 20:37:54
Also in:
lkml
Subsystem:
marvell 88e6xxx ethernet switch fabric driver, networking drivers, networking [dsa], the rest · Maintainers:
Andrew Lunn, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds
To avoid excessive mdio bus transactions during probing, mask all phy addresses that do not exist (there is a 1:1 mapping between switch port number and phy address). Suggested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Klaus Kudielka <redacted> --- v2: Patch is new drivers/net/dsa/mv88e6xxx/chip.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 29b0f3bb1c..c52798d9ce 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c@@ -3797,6 +3797,7 @@ static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip, bus->read_c45 = mv88e6xxx_mdio_read_c45; bus->write_c45 = mv88e6xxx_mdio_write_c45; bus->parent = chip->dev; + bus->phy_mask = GENMASK(31, mv88e6xxx_num_ports(chip)); if (!external) { err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
--
2.39.2