phy: mdio-mux: fix Kconfig dependencies

MDIO_BUS_MUX can only be selected if OF_MDIO is already turned on:

WARNING: unmet direct dependencies detected for MDIO_BUS_MUX
  Depends on [n]: NETDEVICES [=y] && MDIO_BUS [=m] && OF_MDIO [=n]
  Selected by [m]:
  - MDIO_BUS_MUX_MULTIPLEXER [=m] && NETDEVICES [=y] && MDIO_BUS [=m] && OF [=y]

Fixes: 7865ad6551c9 ("drivers: net: phy: mdio-mux: Add support for Generic Mux controls")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 7f66af446ec7339b4c9687f39818cde51fc4ca38..071869db44cf3e0b33cc75b3b4fd285212bf1c9d 100644 (file)
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -89,7 +89,7 @@ config MDIO_BUS_MUX_MMIOREG
 
 config MDIO_BUS_MUX_MULTIPLEXER
        tristate "MDIO bus multiplexer using kernel multiplexer subsystem"
-       depends on OF
+       depends on OF_MDIO
        select MULTIPLEXER
        select MDIO_BUS_MUX
        help