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: v3.2.38~62
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=997bc14d400b292089a3c0b89e1c72d6aacbad38;p=karo-tx-linux.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: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3700aa6ba7bf..e9637f991983 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1277,6 +1277,7 @@ 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;