Re: [PATCH] PCI: tegra: mark PM functions as __maybe_unused

[Thierry Reding]

On Thu, Mar 15, 2018 at 05:18:39PM +0100, Arnd Bergmann wrote:
> The new PM support causes a warning when CONFIG_PM is disabled:
> 
> drivers/pci/host/pci-tegra.c:2482:12: error: 'tegra_pcie_pm_resume' defined but not used [-Werror=unused-function]
>  static int tegra_pcie_pm_resume(struct device *dev)
> drivers/pci/host/pci-tegra.c:2463:12: error: 'tegra_pcie_pm_suspend' defined but not used [-Werror=unused-function]
>  static int tegra_pcie_pm_suspend(struct device *dev)
> 
> Marking the functions as __maybe_unused lets the compiler drop them
> silently instead.
> 
> Fixes: b90b44154023 ("PCI: tegra: Add power management support")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>  drivers/pci/host/pci-tegra.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Acked-by: Thierry Reding <treding@xxxxxxxxxx>

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