netdev - [PATCH net-next] net: pcs: xpcs: depends on PHYLINK in Kconfig

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Message-Id: <20220623202933.2341938-1-kuba@kernel.org>
Date:   Thu, 23 Jun 2022 13:29:33 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com,
        Jakub Kicinski <kuba@...nel.org>,
        kernel test robot <lkp@...el.com>, andrew@...n.ch,
        hkallweit1@...il.com, linux@...linux.org.uk,
        rmk+kernel@...linux.org.uk, boon.leong.ong@...el.com
Subject: [PATCH net-next] net: pcs: xpcs: depends on PHYLINK in Kconfig

This is yet another attempt at fixing:

>> ERROR: modpost: "phylink_mii_c22_pcs_encode_advertisement" [drivers/net/pcs/pcs_xpcs.ko] undefined!
>> ERROR: modpost: "phylink_mii_c22_pcs_decode_state" [drivers/net/pcs/pcs_xpcs.ko] undefined!

Switch XPCS to be invisible, as Russell points out it's
"selected" by its consumers. Drop the dependency on MDIO_BUS
as "depends" is meaningless on "selected" symbols.

Reported-by: kernel test robot <lkp@...el.com>
Fixes: b47aec885bcd ("net: pcs: xpcs: add CL37 1000BASE-X AN support")
Link: https://lore.kernel.org/netdev/20220620201915.1195280-1-kuba@kernel.org/
Link: https://lore.kernel.org/r/20220622083521.0de3ea5c@kernel.org/
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
CC: andrew@...n.ch
CC: hkallweit1@...il.com
CC: linux@...linux.org.uk
CC: rmk+kernel@...linux.org.uk
CC: boon.leong.ong@...el.com
---
 drivers/net/pcs/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/pcs/Kconfig b/drivers/net/pcs/Kconfig
index 22ba7b0b476d..f778e5155fae 100644
--- a/drivers/net/pcs/Kconfig
+++ b/drivers/net/pcs/Kconfig
@@ -6,8 +6,8 @@
 menu "PCS device drivers"
 
 config PCS_XPCS
-	tristate "Synopsys DesignWare XPCS controller"
-	depends on MDIO_DEVICE && MDIO_BUS
+	tristate
+	select PHYLINK
 	help
 	  This module provides helper functions for Synopsys DesignWare XPCS
 	  controllers.
-- 
2.36.1