usb: dwc3: omap: use device_for_each_child to handle child removal

Used device_for_each_child() to handle child device (dwc3 core) removal
during devexit of dwc3 omap. This is in preparation for creating the child
devices from subnode of dwc3 omap glue using of_platform_populate.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index f31867fd2574340637f37abca69b3fc9b018b0fa..1d03a8acffab2d5821202a154d365391141cb5fb 100644 (file)
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -262,6 +262,15 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap)
        return IRQ_HANDLED;
 }
 
+static int dwc3_omap_remove_core(struct device *dev, void *c)
+{
+       struct platform_device *pdev = to_platform_device(dev);
+
+       platform_device_unregister(pdev);
+
+       return 0;
+}
+
 static int dwc3_omap_probe(struct platform_device *pdev)
 {
        struct dwc3_omap_data   *pdata = pdev->dev.platform_data;
@@ -425,9 +434,10 @@ static int dwc3_omap_remove(struct platform_device *pdev)
 {
        struct dwc3_omap        *omap = platform_get_drvdata(pdev);
 
-       platform_device_unregister(omap->dwc3);
        platform_device_unregister(omap->usb2_phy);
        platform_device_unregister(omap->usb3_phy);
+       device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core);
+
        return 0;
 }