From: Randy Dunlap <rdun...@infradead.org>

[ Upstream commit 7dbbcf496f2a4b6d82cfc7810a0746e160b79762 ]

Fix build error by selecting MDIO_DEVRES for MDIO_THUNDER.
Fixes this build error:

ld: drivers/net/phy/mdio-thunder.o: in function `thunder_mdiobus_pci_probe':
drivers/net/phy/mdio-thunder.c:78: undefined reference to 
`devm_mdiobus_alloc_size'

Fixes: 379d7ac7ca31 ("phy: mdio-thunder: Add driver for Cavium Thunder SoC MDIO 
buses.")
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Cc: Bartosz Golaszewski <bgolaszew...@baylibre.com>
Cc: Andrew Lunn <and...@lunn.ch>
Cc: Heiner Kallweit <hkallwe...@gmail.com>
Cc: netdev@vger.kernel.org
Cc: David Daney <david.da...@cavium.com>
Reviewed-by: Andrew Lunn <and...@lunn.ch>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/phy/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 1f5fd24cd749e..2386871e12949 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -154,6 +154,7 @@ config MDIO_THUNDER
        depends on 64BIT
        depends on PCI
        select MDIO_CAVIUM
+       select MDIO_DEVRES
        help
          This driver supports the MDIO interfaces found on Cavium
          ThunderX SoCs when the MDIO bus device appears as a PCI
-- 
2.25.1



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