linux-kernel - [PATCH AUTOSEL 4.19 15/19] net: freescale: select CONFIG_FIXED

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Date:   Fri, 22 May 2020 10:51:16 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 15/19] net: freescale: select CONFIG_FIXED_PHY where needed

From: Arnd Bergmann <arnd@...db.de>

[ Upstream commit 99352c79af3e5f2e4724abf37fa5a2a3299b1c81 ]

I ran into a randconfig build failure with CONFIG_FIXED_PHY=m
and CONFIG_GIANFAR=y:

x86_64-linux-ld: drivers/net/ethernet/freescale/gianfar.o:(.rodata+0x418): undefined reference to `fixed_phy_change_carrier'

It seems the same thing can happen with dpaa and ucc_geth, so change
all three to do an explicit 'select FIXED_PHY'.

The fixed-phy driver actually has an alternative stub function that
theoretically allows building network drivers when fixed-phy is
disabled, but I don't see how that would help here, as the drivers
presumably would not work then.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Acked-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/freescale/Kconfig      | 2 ++
 drivers/net/ethernet/freescale/dpaa/Kconfig | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index a580a3dcbe59..e9f4326a0afa 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -76,6 +76,7 @@ config UCC_GETH
 	depends on QUICC_ENGINE
 	select FSL_PQ_MDIO
 	select PHYLIB
+	select FIXED_PHY
 	---help---
 	  This driver supports the Gigabit Ethernet mode of the QUICC Engine,
 	  which is available on some Freescale SOCs.
@@ -89,6 +90,7 @@ config GIANFAR
 	depends on HAS_DMA
 	select FSL_PQ_MDIO
 	select PHYLIB
+	select FIXED_PHY
 	select CRC32
 	---help---
 	  This driver supports the Gigabit TSEC on the MPC83xx, MPC85xx,
diff --git a/drivers/net/ethernet/freescale/dpaa/Kconfig b/drivers/net/ethernet/freescale/dpaa/Kconfig
index a654736237a9..8fec41e57178 100644
--- a/drivers/net/ethernet/freescale/dpaa/Kconfig
+++ b/drivers/net/ethernet/freescale/dpaa/Kconfig
@@ -2,6 +2,7 @@ menuconfig FSL_DPAA_ETH
 	tristate "DPAA Ethernet"
 	depends on FSL_DPAA && FSL_FMAN
 	select PHYLIB
+	select FIXED_PHY
 	select FSL_FMAN_MAC
 	---help---
 	  Data Path Acceleration Architecture Ethernet driver,
-- 
2.25.1