Re: [PATCH] rtw88: avoid unused function warnings

From: Kalle Valo
Date: Tue Apr 14 2020 - 08:49:39 EST


Arnd Bergmann <arnd@xxxxxxxx> wrote:

> The rtw88 driver defines emtpy functions with multiple indirections
> but gets one of these wrong:
>
> drivers/net/wireless/realtek/rtw88/pci.c:1347:12: error: 'rtw_pci_resume' defined but not used [-Werror=unused-function]
> 1347 | static int rtw_pci_resume(struct device *dev)
> | ^~~~~~~~~~~~~~
> drivers/net/wireless/realtek/rtw88/pci.c:1342:12: error: 'rtw_pci_suspend' defined but not used [-Werror=unused-function]
> 1342 | static int rtw_pci_suspend(struct device *dev)
>
> Better simplify it to rely on the conditional reference in
> SIMPLE_DEV_PM_OPS(), and mark the functions as __maybe_unused to avoid
> warning about it.
>
> I'm not sure if these are needed at all given that the functions
> don't do anything, but they were only recently added.
>
> Fixes: 44bc17f7f5b3 ("rtw88: support wowlan feature for 8822c")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Patch applied to wireless-drivers.git, thanks.

7dc7c41607d1 rtw88: avoid unused function warnings

--
https://patchwork.kernel.org/patch/11480657/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches