Merge branch 'for-5.4/ish' into for-linus

[sfrench/cifs-2.6.git] / drivers / usb / core / usb.h

diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index bd8d01f85a1371dffa8f32e522ecaa4ae5e8e23e..0c9fde5ad0524b50f1789803dbd00fa8adec4713 100644 (file)
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -153,6 +153,11 @@ static inline int is_usb_port(const struct device *dev)
        return dev->type == &usb_port_device_type;
 }
 
+static inline int is_root_hub(struct usb_device *udev)
+{
+       return (udev->parent == NULL);
+}
+
 /* Do the same for device drivers and interface drivers. */
 
 static inline int is_usb_device_driver(struct device_driver *drv)