[PATCHv2 net-next 01/11] net: dsa: mv88e6xxx: Take switch out of reset before probe
From: Andrew Lunn <andrew@lunn.ch>
Date: 2016-11-21 22:30:11
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
The switch needs to be taken out of reset before we can read its ID register on the MDIO bus. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <redacted> --- drivers/net/dsa/mv88e6xxx/chip.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index e30d0eaf2b5f..062b9128a58d 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c@@ -3855,16 +3855,16 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev) if (err) return err; + chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(chip->reset)) + return PTR_ERR(chip->reset); + err = mv88e6xxx_detect(chip); if (err) return err; mv88e6xxx_phy_init(chip); - chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS); - if (IS_ERR(chip->reset)) - return PTR_ERR(chip->reset); - if (chip->info->ops->get_eeprom && !of_property_read_u32(np, "eeprom-length", &eeprom_len)) chip->eeprom_len = eeprom_len;
--
2.10.2