linux-kernel - Re: [PATCH 1/2] net: phy: rework Kconfig settings for MDIO

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Message-Id: <20170727.172036.1137430221085365204.davem@davemloft.net>
Date:   Thu, 27 Jul 2017 17:20:36 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     netdev@...r.kernel.org, kishon@...com, andrew@...n.ch,
        f.fainelli@...il.com, linux-kernel@...r.kernel.org,
        raviteja.garimella@...adcom.com, Raju.Lakkaraju@...rosemi.com
Subject: Re: [PATCH 1/2] net: phy: rework Kconfig settings for MDIO_BUS

From: Arnd Bergmann <arnd@...db.de>
Date: Wed, 26 Jul 2017 17:13:59 +0200

> I still see build errors in randconfig builds and have had this
> patch for a while to locally work around it:
> 
> drivers/built-in.o: In function `xgene_mdio_probe':
> mux-core.c:(.text+0x352154): undefined reference to `of_mdiobus_register'
> mux-core.c:(.text+0x352168): undefined reference to `mdiobus_free'
> mux-core.c:(.text+0x3521c0): undefined reference to `mdiobus_alloc_size'
> 
> The idea is that CONFIG_MDIO_BUS now reflects whether the mdio_bus
> code is built-in or a module, and other drivers that use the core
> code can simply depend on that, instead of having a complex
> dependency line.
> 
> Fixes: 90eff9096c01 ("net: phy: Allow splitting MDIO bus/device support from PHYs")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Reviewed-by: Florian Fainelli <f.fainelli@...il.com>

Applied.