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gpio: intel-mid: Fix build warning when !CONFIG_PM

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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 <augustocaringi@gmail.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Augusto Mecking Caringi 2017-01-16 14:30:41 +00:00 committed by Linus Walleij
parent f0d5046075
commit fbc2a294f2
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-intel-mid.c
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@ -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;