gpio: uniphier: Use modern PM macros

Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://lore.kernel.org/r/20251124002105.25429-12-jszhang@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: xhackerustc

drivers/gpio/gpio-uniphier.c

@@ -426,7 +426,7 @@ static void uniphier_gpio_remove(struct platform_device *pdev)
 	irq_domain_remove(priv->domain);
 }
 
-static int __maybe_unused uniphier_gpio_suspend(struct device *dev)
+static int uniphier_gpio_suspend(struct device *dev)
 {
 	struct uniphier_gpio_priv *priv = dev_get_drvdata(dev);
 	unsigned int nbanks = uniphier_gpio_get_nbanks(priv->chip.ngpio);
@@ -448,7 +448,7 @@ static int __maybe_unused uniphier_gpio_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused uniphier_gpio_resume(struct device *dev)
+static int uniphier_gpio_resume(struct device *dev)
 {
 	struct uniphier_gpio_priv *priv = dev_get_drvdata(dev);
 	unsigned int nbanks = uniphier_gpio_get_nbanks(priv->chip.ngpio);
@@ -473,8 +473,7 @@ static int __maybe_unused uniphier_gpio_resume(struct device *dev)
 }
 
 static const struct dev_pm_ops uniphier_gpio_pm_ops = {
-	SET_LATE_SYSTEM_SLEEP_PM_OPS(uniphier_gpio_suspend,
-				     uniphier_gpio_resume)
+	LATE_SYSTEM_SLEEP_PM_OPS(uniphier_gpio_suspend, uniphier_gpio_resume)
 };
 
 static const struct of_device_id uniphier_gpio_match[] = {
@@ -489,7 +488,7 @@ static struct platform_driver uniphier_gpio_driver = {
 	.driver = {
 		.name = "uniphier-gpio",
 		.of_match_table = uniphier_gpio_match,
-		.pm = &uniphier_gpio_pm_ops,
+		.pm = pm_sleep_ptr(&uniphier_gpio_pm_ops),
 	},
 };
 module_platform_driver(uniphier_gpio_driver);