linux-kernel - [PATCH 19/93] usb: dwc3: gadget: fix ep->maxburst for ep0

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Date:	Tue,  5 Feb 2013 20:06:08 -0200
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Pratyush Anand <pratyush.anand@...com>,
	Felipe Balbi <balbi@...com>,
	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
Subject: [PATCH 19/93] usb: dwc3: gadget: fix ep->maxburst for ep0

3.5.7.5 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pratyush Anand <pratyush.anand@...com>

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@...com>
Signed-off-by: Felipe Balbi <balbi@...com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
---
 drivers/usb/dwc3/gadget.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c7721db..1f53210 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1508,6 +1508,7 @@ 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;
-- 
1.7.9.5

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