Re: [PATCH] [v3] usb: xhci: tegra: mark PM functions as __maybe_unused

[Thierry Reding]

On Tue, Oct 05, 2021 at 01:20:28PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> The added #ifdefs in the PM rework were almost correct, but still
> cause warnings in some randconfig builds:
> 
> drivers/usb/host/xhci-tegra.c:2147:12: error: 'tegra_xusb_resume' defined but not used [-Werror=unused-function]
>  2147 | static int tegra_xusb_resume(struct device *dev)
>       |            ^~~~~~~~~~~~~~~~~
> drivers/usb/host/xhci-tegra.c:2105:12: error: 'tegra_xusb_suspend' defined but not used [-Werror=unused-function]
>  2105 | static int tegra_xusb_suspend(struct device *dev)
> 
> Replace the #ifdef checks with simpler __maybe_unused annotations to
> reliably shut up these warnings.
> 
> Fixes: 971ee247060d ("usb: xhci: tegra: Enable ELPG for runtime/system PM")
> Reviewed-by: JC Kuo <jckuo@xxxxxxxxxx>
> Link: https://lore.kernel.org/all/20210421135613.3560777-2-arnd@xxxxxxxxxx/
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> v3: fix reference to original commit.
> ---
>  drivers/usb/host/xhci-tegra.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)

Acked-by: Thierry Reding <treding@xxxxxxxxxx>

Attachment: signature.asc
Description: PGP signature