linux-kernel - Re: undefined reference to `led_classdev

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Message-ID: <7b677508-94b8-aa73-6844-2ab3dea91058@infradead.org>
Date:   Thu, 7 Jan 2021 09:14:04 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     kernel test robot <lkp@...el.com>,
        Kurt Kanzenbach <kurt@...utronix.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: undefined reference to `led_classdev_unregister'

On 1/6/21 3:22 AM, kernel test robot wrote:
> Hi Kurt,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
> commit: 7d9ee2e8ff1541c60dcb5cfdf41def9659204c3e net: dsa: hellcreek: Add PTP status LEDs
> date:   9 weeks ago
> config: microblaze-randconfig-r016-20210106 (attached as .config)
> compiler: microblaze-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d9ee2e8ff1541c60dcb5cfdf41def9659204c3e
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 7d9ee2e8ff1541c60dcb5cfdf41def9659204c3e
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>

Now fixed in the netdev tree:

https://git.kernel.org/netdev/net/c/7f847db30408

> All errors (new ones prefixed by >>):
> 
>    microblaze-linux-ld: drivers/net/dsa/hirschmann/hellcreek_ptp.o: in function `hellcreek_ptp_setup':
>>> (.text+0xf80): undefined reference to `led_classdev_register_ext'
>>> microblaze-linux-ld: (.text+0xf94): undefined reference to `led_classdev_register_ext'
>    microblaze-linux-ld: drivers/net/dsa/hirschmann/hellcreek_ptp.o: in function `hellcreek_ptp_free':
>>> (.text+0x1018): undefined reference to `led_classdev_unregister'
>>> microblaze-linux-ld: (.text+0x1024): undefined reference to `led_classdev_unregister'


-- 
~Randy