dm: usb: Use usb_get_bus in dm ehci code
Use usb_get_bus in dm ehci code rather then re-implementing it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index bd9861d..85adbf4 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -125,14 +125,7 @@
static struct ehci_ctrl *ehci_get_ctrl(struct usb_device *udev)
{
#ifdef CONFIG_DM_USB
- struct udevice *dev;
-
- /* Find the USB controller */
- for (dev = udev->dev;
- device_get_uclass_id(dev) != UCLASS_USB;
- dev = dev->parent)
- ;
- return dev_get_priv(dev);
+ return dev_get_priv(usb_get_bus(udev->dev));
#else
return udev->controller;
#endif