usb: chipidea: ci_hdrc_tegra: Switch to RUNTIME_PM_OPS()

Replace SET_RUNTIME_PM_OPS() with its modern RUNTIME_PM_OPS()
alternative.

The combined usage of pm_ptr() and RUNTIME_PM_OPS allows the compiler
to evaluate if the runtime suspend/resume() functions are used at build
time or are simply dead code.

This allows removing the __maybe_unused notation from the runtime
suspend/resume() functions.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Link: https://lore.kernel.org/r/20240625231023.436403-2-festevam@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/chipidea/ci_hdrc_tegra.c

@@ -372,7 +372,7 @@ static void tegra_usb_remove(struct platform_device *pdev)
 	pm_runtime_force_suspend(&pdev->dev);
 }
 
-static int __maybe_unused tegra_usb_runtime_resume(struct device *dev)
+static int tegra_usb_runtime_resume(struct device *dev)
 {
 	struct tegra_usb *usb = dev_get_drvdata(dev);
 	int err;
@@ -386,7 +386,7 @@ static int __maybe_unused tegra_usb_runtime_resume(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused tegra_usb_runtime_suspend(struct device *dev)
+static int tegra_usb_runtime_suspend(struct device *dev)
 {
 	struct tegra_usb *usb = dev_get_drvdata(dev);
 
@@ -396,15 +396,14 @@ static int __maybe_unused tegra_usb_runtime_suspend(struct device *dev)
 }
 
 static const struct dev_pm_ops tegra_usb_pm = {
-	SET_RUNTIME_PM_OPS(tegra_usb_runtime_suspend, tegra_usb_runtime_resume,
-			   NULL)
+	RUNTIME_PM_OPS(tegra_usb_runtime_suspend, tegra_usb_runtime_resume, NULL)
 };
 
 static struct platform_driver tegra_usb_driver = {
 	.driver = {
 		.name = "tegra-usb",
 		.of_match_table = tegra_usb_of_match,
-		.pm = &tegra_usb_pm,
+		.pm = pm_ptr(&tegra_usb_pm),
 	},
 	.probe = tegra_usb_probe,
 	.remove_new = tegra_usb_remove,