linux-kernel - [PATCH v2] enetc: auto select PHYLIB and MDIO

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Date:   Thu, 11 Feb 2021 12:54:11 -0500
From:   Tong Zhang <ztong0001@...il.com>
To:     Claudiu Manoil <claudiu.manoil@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     ztong0001@...il.com
Subject: [PATCH v2] enetc: auto select PHYLIB and MDIO_DEVRES

FSL_ENETC_MDIO use symbols from PHYLIB (MDIO_BUS) and MDIO_DEVRES,
however there are no dependency specified in Kconfig

ERROR: modpost: "__mdiobus_register" [drivers/net/ethernet/freescale/enetc/fsl-enetc-mdio.ko] undefined!
ERROR: modpost: "mdiobus_unregister" [drivers/net/ethernet/freescale/enetc/fsl-enetc-mdio.ko] undefined!
ERROR: modpost: "devm_mdiobus_alloc_size" [drivers/net/ethernet/freescale/enetc/fsl-enetc-mdio.ko] undefined!

add depends on MDIO_DEVRES && MDIO_BUS

Signed-off-by: Tong Zhang <ztong0001@...il.com>
---
v2:change to depends on MDIO_DEVRES&& MDIO_BUS as suggested by Florian Fainelli <f.fainelli@...il.com>>

 drivers/net/ethernet/freescale/enetc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/enetc/Kconfig b/drivers/net/ethernet/freescale/enetc/Kconfig
index d99ea0f4e4a6..ab92382c399a 100644
--- a/drivers/net/ethernet/freescale/enetc/Kconfig
+++ b/drivers/net/ethernet/freescale/enetc/Kconfig
@@ -27,7 +27,7 @@ config FSL_ENETC_VF
 
 config FSL_ENETC_MDIO
 	tristate "ENETC MDIO driver"
-	depends on PCI
+	depends on PCI && MDIO_DEVRES && MDIO_BUS
 	help
 	  This driver supports NXP ENETC Central MDIO controller as a PCIe
 	  physical function (PF) device.
-- 
2.25.1