usb: dwc3: gadget: fix ep->maxburst for ep0

dwc3_gadget_set_ep_config expects maxburst as incremented by 1. So, by
default initialize ep->maxburst to 1 for ep0.

Cc: <stable@vger.kernel.org>
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 2e43b332aae8..2fdd767f8fe8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1605,6 +1605,7 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc)
 
                 if (epnum == 0 || epnum == 1) {
                         dep->endpoint.maxpacket = 512;
+                        dep->endpoint.maxburst = 1;
                         dep->endpoint.ops = &dwc3_gadget_ep0_ops;
                         if (!epnum)
                                 dwc->gadget.ep0 = &dep->endpoint;