On Sun, Apr 26, 2020 at 02:31:15PM +0200, marek.vasut@xxxxxxxxx wrote:
> From: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
>
> If CONFIG_PM_SLEEP is not set, SET_SYSTEM_SLEEP_PM_OPS() is expanded to
> empty macro and there is no reference to rcar_pcie_resume(), hence the
> following warning is generated:
>
> drivers/pci/controller/pcie-rcar.c:1253:12: warning: ‘rcar_pcie_resume’ defined but not used [-Wunused-function]
> 1253 | static int rcar_pcie_resume(struct device *dev)
> | ^~~~~~~~~~~~~~~~
>
> Fix this by marking this function as __maybe_unused , just like in
> commit 226e6b866d74 ("gpio: pch: Convert to dev_pm_ops")
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
> Reported-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
> ---
> NOTE: Based on git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git
> branch pci/rcar
> NOTE: The driver tag is now 'pcie-rcar' to distinguish it from pci-rcar-gen2.c
> ---
> drivers/pci/controller/pcie-rcar.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Squashed in https://patchwork.kernel.org/patch/11438665/
> diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c
> index b58dfe415cb3..1a0e74cad9bb 100644
> --- a/drivers/pci/controller/pcie-rcar.c
> +++ b/drivers/pci/controller/pcie-rcar.c
> @@ -1250,7 +1250,7 @@ static int rcar_pcie_probe(struct platform_device *pdev)
> return err;
> }
>
> -static int rcar_pcie_resume(struct device *dev)
> +static int __maybe_unused rcar_pcie_resume(struct device *dev)
> {
> struct rcar_pcie *pcie = dev_get_drvdata(dev);
> int (*hw_init_fn)(struct rcar_pcie *);
> --
> 2.25.1
>
