FAILED: patch "[PATCH] usb: dwc3: exynos: Fix remove() function" failed to apply to 4.19-stable tree

The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

Possible dependencies:

e0481e5b3cc1 ("usb: dwc3: exynos: Fix remove() function") 1e041b6f313a ("usb: dwc3: exynos: Remove dead code")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From e0481e5b3cc12ea7ccf4552d41518c89d3509004 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <[email protected]>
Date: Thu, 10 Nov 2022 16:41:31 +0100
Subject: [PATCH] usb: dwc3: exynos: Fix remove() function

The core DWC3 device node was not properly removed by the custom dwc3_exynos_remove_child() function. Replace it with generic of_platform_depopulate() which does that job right.

index 0ecf20eeceee..4be6a873bd07 100644
@@ -37,15 +37,6 @@ struct dwc3_exynos {
 	struct regulator	*vdd10;
 };
 
-static int dwc3_exynos_remove_child(struct device *dev, void *unused)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	platform_device_unregister(pdev);
-
-	return 0;
-}
-
 static int dwc3_exynos_probe(struct platform_device *pdev)
 {
 	struct dwc3_exynos	*exynos;

@@ -142,7 +133,7 @@ static int dwc3_exynos_remove(struct platform_device *pdev)
 	struct dwc3_exynos	*exynos = platform_get_drvdata(pdev);
 	int i;
 
-	device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child);
+	of_platform_depopulate(&pdev->dev);
 
 	for (i = exynos->num_clks - 1; i >= 0; i--)
 		clk_disable_unprepare(exynos->clks[i]);