[PATCH] net: dsa: mv88e6xxx: wait after reset deactivation

[Baruch Siach]

Add a 1ms delay after reset deactivation. Otherwise the chip returns
bogus ID value. This is observed with 88E6390 (Peridot) chip.

Signed-off-by: Baruch Siach <bar...@tkos.co.il>
---
 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 f4e2db44ad91..549f528f216c 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4910,6 +4910,7 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
                err = PTR_ERR(chip->reset);
                goto out;
        }
+       mdelay(1);
 
        err = mv88e6xxx_detect(chip);
        if (err)
-- 
2.20.1