netdev - [PATCH] mdio: fix mdio-thunder.c dependency & build error

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Message-ID: <5aecbd3f-a489-0738-8249-5e08a6f2766f@infradead.org>
Date:   Sat, 26 Sep 2020 21:33:43 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        David Daney <david.daney@...ium.com>
Subject: [PATCH] mdio: fix mdio-thunder.c dependency & build error

From: Randy Dunlap <rdunlap@...radead.org>

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 <lkp@...el.com>
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Heiner Kallweit <hkallweit1@...il.com>
Cc: netdev@...r.kernel.org
Cc: David Daney <david.daney@...ium.com>
---
or applies to drivers/net/phy/Kconfig in mainline (or stable) # v4.6

 drivers/net/mdio/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20200925.orig/drivers/net/mdio/Kconfig
+++ linux-next-20200925/drivers/net/mdio/Kconfig
@@ -164,6 +164,7 @@ 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