linux-kernel - Re: [lunn:v6.3-rc2-net-next-phy-leds 5/15] ld.lld: error: undefined symbol: devm_mdiobus_alloc

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Date:   Thu, 20 Apr 2023 17:39:56 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Andrew Lunn" <andrew@...n.ch>
Cc:     "kernel test robot" <lkp@...el.com>, llvm@...ts.linux.dev,
        oe-kbuild-all@...ts.linux.dev,
        "Christian Marangi" <ansuelsmth@...il.com>,
        Netdev <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org,
        "Florian Fainelli" <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        "Jakub Kicinski" <kuba@...nel.org>
Subject: Re: [lunn:v6.3-rc2-net-next-phy-leds 5/15] ld.lld: error: undefined symbol:
 devm_mdiobus_alloc_size

On Thu, Apr 20, 2023, at 17:26, Andrew Lunn wrote:
>> I think the best way is to drop your MDIO_DEVRES patch and instead
>> apply mine (or some variation of that) from
>> 
>> https://lore.kernel.org/lkml/20230420084624.3005701-1-arnd@kernel.org/
>> 
>> Once any missing or recursive dependencies are handled, the devres
>> problem should be fixed as well. I have completed around 150
>> randconfig builds with that patch and have not seen any further
>> problems.
>
> Is this on top of my patch? Or does it require mine is reverted?  I
> can send a revert if it is needed.

The two are independent. I think your patch does nothing once
mine is applied, since the indirect 'select MDIO_DEVRES' will
work again. Reverting it might help avoid some confusion though.

     Arnd