Re: [PATCH net-next] net: dsa: Fix dependencies with HSR

From: Florian Fainelli
Date: Sat Feb 20 2021 - 00:15:41 EST




On 2/19/2021 9:12 PM, Florian Fainelli wrote:
> The core DSA framework uses hsr_is_master() which would not resolve to a
> valid symbol if HSR is built-into the kernel and DSA is a module.
>
> Fixes: 18596f504a3e ("net: dsa: add support for offloading HSR")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> ---
> David, Jakub,
>
> This showed up in linux-next which means it will show up in Linus' tree
> soon as well when your pull request gets sent out.

I had initially considered making is_hsr_master() a static inline that
would compare dev->dev.type->name with "hsr" since the HSR master would
set a custom dev_type, however the xrs700x driver would still fail to
link because it calls hsr_get_version() and for that one there is no
easy solution.
--
Florian