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

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Date:   Thu, 11 Feb 2021 11:09:30 -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] enetc: auto select PHYLIB and MDIO_DEVRES

FSL_ENETC_MDIO use symbols from PHYLIB and MDIO_DEVRES, however they are
not auto selected.

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!

auto select MDIO_DEVRES and PHYLIB when FSL_ENETC_MDIO is selected.

Signed-off-by: Tong Zhang <ztong0001@...il.com>
---
 drivers/net/ethernet/freescale/enetc/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/freescale/enetc/Kconfig b/drivers/net/ethernet/freescale/enetc/Kconfig
index d99ea0f4e4a6..2ec3f8065e6d 100644
--- a/drivers/net/ethernet/freescale/enetc/Kconfig
+++ b/drivers/net/ethernet/freescale/enetc/Kconfig
@@ -28,6 +28,8 @@ config FSL_ENETC_VF
 config FSL_ENETC_MDIO
 	tristate "ENETC MDIO driver"
 	depends on PCI
+	select MDIO_DEVRES
+	select PHYLIB
 	help
 	  This driver supports NXP ENETC Central MDIO controller as a PCIe
 	  physical function (PF) device.
-- 
2.25.1