From fbc2a294f29e726787a0f5238b27137904f26b81 Mon Sep 17 00:00:00 2001 From: Augusto Mecking Caringi Date: Mon, 16 Jan 2017 14:30:41 +0000 Subject: [PATCH] gpio: intel-mid: Fix build warning when !CONFIG_PM MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The only usage of function intel_gpio_runtime_idle() is here (in the same file): static const struct dev_pm_ops intel_gpio_pm_ops = { SET_RUNTIME_PM_OPS(NULL, NULL, intel_gpio_runtime_idle) }; And when CONFIG_PM is not set, the macro SET_RUNTIME_PM_OPS expands to nothing, causing the following compiler warning: drivers/gpio/gpio-intel-mid.c:324:12: warning: ‘intel_gpio_runtime_idle’ defined but not used [-Wunused-function] static int intel_gpio_runtime_idle(struct device *dev) Fix it by annotating the function with __maybe_unused. Signed-off-by: Augusto Mecking Caringi Acked-by: Andy Shevchenko Signed-off-by: Linus Walleij --- drivers/gpio/gpio-intel-mid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index a1e44c221f66..b76ecee82c3f 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -321,7 +321,7 @@ static void intel_mid_irq_init_hw(struct intel_mid_gpio *priv) } } -static int intel_gpio_runtime_idle(struct device *dev) +static int __maybe_unused intel_gpio_runtime_idle(struct device *dev) { int err = pm_schedule_suspend(dev, 500); return err ?: -EBUSY;