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

commit 6048e4c69d80600baba35856651056860d5d8f5a upstream.

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

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index cee0c3e8ab3a00bef730f619a7900184ab819b41..f62629b029fc38da2f9c9e7fc93e39ab3ba971c4 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1453,6 +1453,7 @@ static int __devinit 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;