netdev - Re: ixgbe / mdio dependancy error

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Date:   Wed, 02 Jan 2019 08:16:56 -0800
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     Dave Jones <davej@...emonkey.org.uk>, netdev@...r.kernel.org
Cc:     Stephen Douthit <stephend@...icom-usa.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Bowers <andrewx.bowers@...el.com>
Subject: Re: ixgbe / mdio dependancy error

On Wed, 2019-01-02 at 10:48 -0500, Dave Jones wrote:
> If you build IXGBE=y, and MDIO_BUS=y, we currently fail the build
> like so:
> 
>   MODPOST vmlinux.o
> drivers/net/ethernet/intel/ixgbe/ixgbe_main.o: In function
> `ixgbe_mdio_read':
> /mnt/data/src/kernel/git-trees/linux-
> dj/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:8801: undefined
> reference to `mdiobus_read'
> drivers/net/ethernet/intel/ixgbe/ixgbe_main.o: In function
> `ixgbe_remove':
> /mnt/data/src/kernel/git-trees/linux-
> dj/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:11198: undefined
> reference to `mdiobus_unregister'
> drivers/net/ethernet/intel/ixgbe/ixgbe_main.o: In function
> `ixgbe_mdio_write':
> /mnt/data/src/kernel/git-trees/linux-
> dj/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:8824: undefined
> reference to `mdiobus_write'
> drivers/net/ethernet/intel/ixgbe/ixgbe_phy.o: In function
> `devm_mdiobus_alloc':
> /mnt/data/src/kernel/git-trees/linux-dj/./include/linux/phy.h:264:
> undefined reference to `devm_mdiobus_alloc_size'
> drivers/net/ethernet/intel/ixgbe/ixgbe_phy.o: In function
> `ixgbe_mii_bus_init':
> /mnt/data/src/kernel/git-trees/linux-
> dj/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c:955: undefined
> reference to `devm_mdiobus_free'
> /mnt/data/src/kernel/git-trees/linux-
> dj/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c:952: undefined
> reference to `__mdiobus_register'
> Makefile:1027: recipe for target 'vmlinux' failed
> make: *** [vmlinux] Error 1
> 
> 
> full .config is at http://paste.debian.net/1058334/

Hmm, did not see this in our compile testing.  I am having our
validation team look further into this, to see if there is gap in our
testing.

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