usb: dwc2: gadget: Program ep0_mps for LS

When device is enumerated in LS we should program ep0_mps accordingly.
USB2 spec says that in LS mode, control ep mps must be 8.

Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 74f0a5eed812b0fb063845b4b03fe4f46cd73b57..e67283237fd44030a2337f278dc018bad2b0164e 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3007,6 +3007,8 @@ static void dwc2_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg)
 
        case DSTS_ENUMSPD_LS:
                hsotg->gadget.speed = USB_SPEED_LOW;
+               ep0_mps = 8;
+               ep_mps = 8;
                /*
                 * note, we don't actually support LS in this driver at the
                 * moment, and the documentation seems to imply that it isn't