From 552d940f0bea0c010615b45ed7c64e7b3b103e6a Mon Sep 17 00:00:00 2001 From: Vardan Mikayelyan Date: Mon, 14 Nov 2016 19:17:00 -0800 Subject: [PATCH] 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 Signed-off-by: John Youn Signed-off-by: Felipe Balbi --- drivers/usb/dwc2/gadget.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 74f0a5eed812..e67283237fd4 100644 --- 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 -- 2.20.1