phylib: reset mii bus only if reset handler is registered

This change allows to cope with a mii bus device registered using
miiphy_register(), which doesn't assign a default reset handler.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Detlev Zundel <dzu@denx.de>

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index ce69c195368c045f5b2f02acc93be47710ee627a..8da7688d704e529c7869b7db682f4c03b8ecd414 100644 (file)
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -692,7 +692,8 @@ struct phy_device *phy_connect(struct mii_dev *bus, int addr,
        struct phy_device *phydev;
 
        /* Reset the bus */
-       bus->reset(bus);
+       if (bus->reset)
+               bus->reset(bus);
 
        /* Wait 15ms to make sure the PHY has come out of hard reset */
        udelay(15000);