diff options
Diffstat (limited to 'drivers/net/phy/dp83640.c')
| -rw-r--r-- | drivers/net/phy/dp83640.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 654f42d00092..a6c87793d899 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -1207,6 +1207,23 @@ static void dp83640_remove(struct phy_device *phydev) kfree(dp83640); } +static int dp83640_soft_reset(struct phy_device *phydev) +{ + int ret; + + ret = genphy_soft_reset(phydev); + if (ret < 0) + return ret; + + /* From DP83640 datasheet: "Software driver code must wait 3 us + * following a software reset before allowing further serial MII + * operations with the DP83640." + */ + udelay(10); /* Taking udelay inaccuracy into account */ + + return 0; +} + static int dp83640_config_init(struct phy_device *phydev) { struct dp83640_private *dp83640 = phydev->priv; @@ -1501,6 +1518,7 @@ static struct phy_driver dp83640_driver = { .flags = PHY_HAS_INTERRUPT, .probe = dp83640_probe, .remove = dp83640_remove, + .soft_reset = dp83640_soft_reset, .config_init = dp83640_config_init, .ack_interrupt = dp83640_ack_interrupt, .config_intr = dp83640_config_intr, |