From: Pratyush Anand <pratyush.anand@st.com>
Date: Fri, 18 Jan 2013 11:23:56 +0000 (+0530)
Subject: usb: dwc3: gadget: fix ep->maxburst for ep0
X-Git-Tag: v3.7.5~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bda2b180545b2ef586658ed5c3312cb947a2a6c9;p=thirdparty%2Fkernel%2Fstable.git

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 7b7deddf6a52a..57f08596ad2db 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1605,6 +1605,7 @@ 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;