usb: dwc3-generic: if no max speed is specified in DT, assume super speed

There is no need to fail if the maximum speed is not specified.
If the speed is not specified, do the same as linux and assume super speed.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index 4924d07553fabe9733063be04d6c33b6713db2a3..a3b65088f17196650996320c01b4ae32be93bc3e 100644 (file)
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -89,8 +89,8 @@ static int dwc3_generic_ofdata_to_platdata(struct udevice *dev)
 
        plat->maximum_speed = usb_get_maximum_speed(node);
        if (plat->maximum_speed == USB_SPEED_UNKNOWN) {
-               pr_err("Invalid usb maximum speed\n");
-               return -ENODEV;
+               pr_info("No USB maximum speed specified. Using super speed\n");
+               plat->maximum_speed = USB_SPEED_SUPER;
        }
 
        plat->dr_mode = usb_get_dr_mode(node);