Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933492Ab0GAV5i (ORCPT ); Thu, 1 Jul 2010 17:57:38 -0400 Received: from kroah.org ([198.145.64.141]:60755 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758899Ab0GAVNU (ORCPT ); Thu, 1 Jul 2010 17:13:20 -0400 X-Mailbox-Line: From gregkh@clark.site Thu Jul 1 10:42:50 2010 Message-Id: <20100701174250.222358881@clark.site> User-Agent: quilt/0.48-10.1 Date: Thu, 01 Jul 2010 10:42:15 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Dinh Nguyen Subject: [045/200] USB: mxc: gadget: Fix bitfield for calculating maximum packet size In-Reply-To: <20100701175201.GA2149@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1293 Lines: 39 2.6.34-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dinh Nguyen commit 88e3b59b5adce5b12e205af0e34d518ba0dcdc0c upstream. The max packet length bit mask used for isochronous endpoints should be 0x7FF instead of 0x8FF. 0x8FF will actually clear higher-order bits in the max packet length field. This patch applies to 2.6.34-rc6. Signed-off-by: Dinh Nguyen Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/fsl_udc_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -489,7 +489,7 @@ static int fsl_ep_enable(struct usb_ep * case USB_ENDPOINT_XFER_ISOC: /* Calculate transactions needed for high bandwidth iso */ mult = (unsigned char)(1 + ((max >> 11) & 0x03)); - max = max & 0x8ff; /* bit 0~10 */ + max = max & 0x7ff; /* bit 0~10 */ /* 3 transactions at most */ if (mult > 3) goto en_done; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/