linux-kernel - [PATCH 2/6] usb: gadget: mv

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1393228996-14787-3-git-send-email-zhangwm@marvell.com>
Date:	Mon, 24 Feb 2014 16:03:12 +0800
From:	Neil Zhang <zhangwm@...vell.com>
To:	<balbi@...com>, <gregkh@...uxfoundation.org>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:	Neil Zhang <zhangwm@...vell.com>
Subject: [PATCH 2/6] usb: gadget: mv_udc: disable HW zlt for ep0

Hardware zlt will try to send the zero length packet automatically
when the data transferd is multiple times of max packet, this will
cause issues on Windows.
So let's disable HW zlt by default.

Signed-off-by: Neil Zhang <zhangwm@...vell.com>
---
 drivers/usb/gadget/mv_udc_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index ebc0dfd..657ac5c 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -89,7 +89,7 @@ static void ep0_reset(struct mv_udc *udc)
 		/* configure ep0 endpoint capabilities in dQH */
 		ep->dqh->max_packet_length =
 			(EP0_MAX_PKT_SIZE << EP_QUEUE_HEAD_MAX_PKT_LEN_POS)
-			| EP_QUEUE_HEAD_IOS;
+			| EP_QUEUE_HEAD_IOS | EP_QUEUE_HEAD_ZLT_SEL;
 
 		ep->dqh->next_dtd_ptr = EP_QUEUE_HEAD_NEXT_TERMINATE;
 
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/