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Date:   Mon,  4 Mar 2019 21:35:10 +0100
From:   Arnd Bergmann <>
To:     Andrew Lunn <>,
        Florian Fainelli <>,
        Heiner Kallweit <>,
        "David S. Miller" <>
Cc:     Arnd Bergmann <>, Guenter Roeck <>,
        Pankaj Bansal <>,,
Subject: [PATCH] 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 <>
 drivers/net/phy/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 7f66af446ec7..071869db44cf 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -89,7 +89,7 @@ config MDIO_BUS_MUX_MMIOREG
 	tristate "MDIO bus multiplexer using kernel multiplexer subsystem"
-	depends on OF
+	depends on OF_MDIO
 	select MDIO_BUS_MUX

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