From: Augusto Mecking Caringi <augustocaringi@xxxxxxxxx>
This patch has been added to the 4.1 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit fbc2a294f29e726787a0f5238b27137904f26b81 ]
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@xxxxxxxxx>
Acked-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
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 14945fd9d5e1..935fa3bce6d0 100644
--- a/drivers/gpio/gpio-intel-mid.c
+++ b/drivers/gpio/gpio-intel-mid.c
@@ -326,7 +326,7 @@ 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;
--
2.14.1