gpio: tangier: unexport suspend/resume handles

Unexport suspend/resume handles for the lack of external users and while
at it, make them static, so that they can be discarded by the compiler
if not used (CONFIG_PM_SLEEP=n).

Signed-off-by: Raag Jadav <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Andy Shevchenko <[e-mail]>

drivers/gpio/gpio-tangier.c

···
 }
 EXPORT_SYMBOL_NS_GPL(devm_tng_gpio_probe, GPIO_TANGIER);
 
-int tng_gpio_suspend(struct device *dev)
+static int tng_gpio_suspend(struct device *dev)
 {
 	struct tng_gpio *priv = dev_get_drvdata(dev);
 	struct tng_gpio_context *ctx = priv->ctx;
···
 
 	return 0;
 }
-EXPORT_SYMBOL_NS_GPL(tng_gpio_suspend, GPIO_TANGIER);
 
-int tng_gpio_resume(struct device *dev)
+static int tng_gpio_resume(struct device *dev)
 {
 	struct tng_gpio *priv = dev_get_drvdata(dev);
 	struct tng_gpio_context *ctx = priv->ctx;
···
 
 	return 0;
 }
-EXPORT_SYMBOL_NS_GPL(tng_gpio_resume, GPIO_TANGIER);
 
 EXPORT_NS_GPL_SIMPLE_DEV_PM_OPS(tng_gpio_pm_ops, tng_gpio_suspend, tng_gpio_resume, GPIO_TANGIER);
 

drivers/gpio/gpio-tangier.h

···
 
 int devm_tng_gpio_probe(struct device *dev, struct tng_gpio *gpio);
 
-int tng_gpio_suspend(struct device *dev);
-int tng_gpio_resume(struct device *dev);
-
 extern const struct dev_pm_ops tng_gpio_pm_ops;
 
 #endif /* _GPIO_TANGIER_H_ */