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: v3.8-rc5~10^2~5^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6048e4c69d80600baba35856651056860d5d8f5a;p=platform%2Fkernel%2Flinux-3.10.git

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>
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 2e43b33..2fdd767 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;