remoteproc: wkup_m3: Use devm_pm_runtime_enable() helper

Use device life-cycle managed runtime enable function to simplify probe
and exit paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20250814153940.670564-1-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

Author: glneo

drivers/remoteproc/wkup_m3_rproc.c

@@ -148,7 +148,9 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	pm_runtime_enable(&pdev->dev);
+	ret = devm_pm_runtime_enable(dev);
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
 	ret = pm_runtime_get_sync(&pdev->dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "pm_runtime_get_sync() failed\n");
@@ -219,7 +221,6 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev)
 	rproc_free(rproc);
 err:
 	pm_runtime_put_noidle(dev);
-	pm_runtime_disable(dev);
 	return ret;
 }
 
@@ -230,7 +231,6 @@ static void wkup_m3_rproc_remove(struct platform_device *pdev)
 	rproc_del(rproc);
 	rproc_free(rproc);
 	pm_runtime_put_sync(&pdev->dev);
-	pm_runtime_disable(&pdev->dev);
 }
 
 #ifdef CONFIG_PM