The newly added tegra_bpmp_resume function is unused when CONFIG_PM is disabled: drivers/firmware/tegra/bpmp.c:847:12: error: 'tegra_bpmp_resume' defined but not used [-Werror=unused-function] static int tegra_bpmp_resume(struct device *dev) Mark it as __maybe_unused to avoid the warning and let the compiler drop it silently. Fixes: cd40f6ff124c ("firmware: tegra: bpmp: Implement suspend/resume support") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/firmware/tegra/bpmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index 41448ba78be9..a3d5b518c10e 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -844,7 +844,7 @@ static int tegra_bpmp_probe(struct platform_device *pdev) return err; } -static int tegra_bpmp_resume(struct device *dev) +static int __maybe_unused tegra_bpmp_resume(struct device *dev) { struct tegra_bpmp *bpmp = dev_get_drvdata(dev); unsigned int i; -- 2.18.0