Re: ath10k: fix build errors with !CONFIG_PM

From: Kalle Valo
Date: Fri Oct 27 2017 - 09:44:59 EST


Brian Norris <briannorris@xxxxxxxxxxxx> wrote:

> Build errors have been reported with CONFIG_PM=n:
>
> drivers/net/wireless/ath/ath10k/pci.c:3416:8: error: implicit
> declaration of function 'ath10k_pci_suspend'
> [-Werror=implicit-function-declaration]
>
> drivers/net/wireless/ath/ath10k/pci.c:3428:8: error: implicit
> declaration of function 'ath10k_pci_resume'
> [-Werror=implicit-function-declaration]
>
> These are caused by the combination of the following two commits:
>
> 6af1de2e4ec4 ("ath10k: mark PM functions as __maybe_unused")
> 96378bd2c6cd ("ath10k: fix core PCI suspend when WoWLAN is supported but
> disabled")
>
> Both build fine on their own.
>
> But now that ath10k_pci_pm_{suspend,resume}() is compiled
> unconditionally, we should also compile ath10k_pci_{suspend,resume}()
> unconditionally.
>
> And drop the #ifdef around ath10k_pci_hif_{suspend,resume}() too; they
> are trivial (empty), so we're not saving much space by compiling them
> out. And the alternatives would be to sprinkle more __maybe_unused, or
> spread the #ifdef's further.
>
> Build tested with the following combinations:
> CONFIG_PM=y && CONFIG_PM_SLEEP=y
> CONFIG_PM=y && CONFIG_PM_SLEEP=n
> CONFIG_PM=n
>
> Fixes: 96378bd2c6cd ("ath10k: fix core PCI suspend when WoWLAN is supported but disabled")
> Fixes: 096ad2a15fd8 ("Merge branch 'ath-next'")
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>

Patch applied to ath-next branch of ath.git, thanks.

20665a9076d4 ath10k: fix build errors with !CONFIG_PM

--
https://patchwork.kernel.org/patch/10018169/

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