From patchwork Sat Apr 18 02:32:26 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ming Lei X-Patchwork-Id: 18784 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n3I2X4Xt016342 for ; Sat, 18 Apr 2009 02:33:04 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751690AbZDRCch (ORCPT ); Fri, 17 Apr 2009 22:32:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753672AbZDRCch (ORCPT ); Fri, 17 Apr 2009 22:32:37 -0400 Received: from ti-out-0910.google.com ([209.85.142.191]:59076 "EHLO ti-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751690AbZDRCce convert rfc822-to-8bit (ORCPT ); Fri, 17 Apr 2009 22:32:34 -0400 Received: by ti-out-0910.google.com with SMTP id 11so709805tim.23 for ; Fri, 17 Apr 2009 19:32:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:cc:subject :message-id:in-reply-to:references:x-mailer:mime-version :content-type:content-transfer-encoding; bh=L1CKnOOPWh5SpIjnR597QqPXe2QsGTZ1O2RuEE2MqLc=; b=Jb8kNz0R9noPZrGQWFgpnphzQgSmmw9HUoGBFqipiFG3CjUpHM+/X1oK2Roe2QB1+R XjZPaSEZEnw1EVr5Y8FfEdGS+eVDUd8qAEYMIlEdbSDvIOCEBkK5GehEF0UCtzmwMQbX efwbCo5Q3a0bcEwvE6fuR2AxGoLI5m1tGe99U= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer :mime-version:content-type:content-transfer-encoding; b=NWcaitrrMM8deN75W6fc6UpuCB4va+z63IKO9Wutn3ymE4n830ACIXf3kk/C78QD49 mNHlwTcQAYgWCGqRahD/X7leKV30GUH1Jfc2BwBP+Q1IH/hheWifmtMpFNSiUOruloPI rX0vRYXXJgY+OkQrNy7nobuyo0rNf5jj8tj/w= Received: by 10.110.95.11 with SMTP id s11mr3540219tib.24.1240021951020; Fri, 17 Apr 2009 19:32:31 -0700 (PDT) Received: from linux-lm ([119.123.207.185]) by mx.google.com with ESMTPS id 25sm2471487tif.12.2009.04.17.19.32.28 (version=TLSv1/SSLv3 cipher=RC4-MD5); Fri, 17 Apr 2009 19:32:29 -0700 (PDT) Date: Sat, 18 Apr 2009 10:32:26 +0800 From: leiming To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List , Adrian Bunk , Andrew Morton , Linus Torvalds , Natalie Protasevich , Kernel Testers List , Network Development , Linux ACPI , Linux PM List , Linux SCSI List , video4linux-list@redhat.com, laurent.pinchart@skynet.be, mchehab@infradead.org Subject: Re: 2.6.30-rc2-git2: Reported regressions from 2.6.29 Message-ID: <20090418103226.54250420@linux-lm> In-Reply-To: <200904172336.12414.rjw@sisk.pl> References: <200904172336.12414.rjw@sisk.pl> X-Mailer: Claws Mail 3.7.1 (GTK+ 2.14.4; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org 于 Fri, 17 Apr 2009 23:36:11 +0200 "Rafael J. Wysocki" 写道: > On Friday 17 April 2009, Ming Lei wrote: > > 2009/4/17 Rafael J. Wysocki : > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13125 > > > Subject : active uvcvideo breaks over suspend > > > Submitter : Alan Jenkins > > > Date : 2009-04-15 10:12 (2 days old) > > > References : > > > http://marc.info/?l=linux-kernel&m=123979009508840&w=4 > > > > > > > It is a bug in resume path of uvcvideo driver, and I have sent a > > patch to laurent.pinchart@skynet.be, > > mchehab@infradead.org and video4linux-list@redhat.com to fix it, > > but still no echo from them. > > > > The patch title is V4L/DVB:usbvideo:fix uvc resume failed. > > > > Rafael J. > > If you would like to apply it ,I can resend to you. Thanks! > > Please resend. > > Rafael From 5715e310a939f3f7cd3e88eae8f25fedbb28def4 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Wed, 15 Apr 2009 22:32:51 +0800 Subject: [PATCH] V4L/DVB:usbvideo:fix uvc resume failed Now urb buffers is not freed before suspend, so uvc_alloc_urb_buffers should return packet counts allocated originally during uvc resume , instead of zero. This patch is against v2.6.30-rc2. Signed-off-by: Ming Lei --- drivers/media/video/uvc/uvc_video.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index a95e173..c050b22 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -742,7 +742,7 @@ static int uvc_alloc_urb_buffers(struct uvc_video_device *video, /* Buffers are already allocated, bail out. */ if (video->urb_size) - return 0; + return DIV_ROUND_UP(video->urb_size, psize); /* Compute the number of packets. Bulk endpoints might transfer UVC * payloads accross multiple URBs.