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From: Mark Lord <lkml@rtr.ca>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Oliver Neukum <oliver@neukum.org>, Pavel Machek <pavel@suse.cz>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Greg KH <gregkh@suse.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	jikos@suse.cz, linux-usb@vger.kernel.org
Subject: Re: 2.6.25-rc7:  Ugh. ---> PATCH
Date: Wed, 02 Apr 2008 11:44:03 -0400	[thread overview]
Message-ID: <47F3A9C3.7030702@rtr.ca> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0804021106320.6272-100000@iolanthe.rowland.org>

This patch seems to fix it.
Could you guys look this over some more,
as I really am not familiar with the USB code.

* * * *

When comparing 2.6.24 against 2.6.25, this line of code
stood out as not looking entirely correct, given the new
uses of QH_STATE_UNLINK_WAIT in 2.6.25.

Applying this patch seems to fix the USB suspend/resume deaths
on my machine here.  More testing is needed to be sure.

Signed-off-by: Mark Lord <mlord@pobox.com>


--- linux-2.6.25-rc8/drivers/usb/host/ehci-hcd.c	2008-03-11 11:18:40.000000000 -0400
+++ linux/drivers/usb/host/ehci-hcd.c	2008-04-02 11:36:13.000000000 -0400
@@ -815,7 +815,7 @@
 		end_unlink_async(ehci);
 
 	/* if it's not linked then there's nothing to do */
-	if (qh->qh_state != QH_STATE_LINKED)
+	if (qh->qh_state != QH_STATE_LINKED && qh->qh_state != QH_STATE_UNLINK_WAIT)
 		;
 
 	/* defer till later if busy */

  reply	other threads:[~2008-04-02 15:44 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-27 15:29 2.6.25-rc7: Ugh Mark Lord
2008-03-27 16:07 ` Greg KH
2008-03-28  0:32   ` Jiri Kosina
2008-03-28  1:57     ` Mark Lord
2008-03-28  3:12       ` David Miller
2008-03-28  4:42         ` Bob Tracy
2008-03-28  4:56           ` David Miller
2008-03-28  5:17             ` Mark Lord
2008-03-28  6:01               ` david
2008-03-28 16:34             ` Bob Tracy
2008-04-05 18:23             ` Bill Davidsen
2008-03-28  5:36         ` Mike Galbraith
2008-03-28  5:46         ` Mark Lord
2008-03-28  5:52           ` Mark Lord
2008-03-28  6:05             ` Mark Lord
2008-03-28  6:58               ` David Brownell
2008-03-28  9:16                 ` Ingo Molnar
2008-03-28  9:49                   ` David Brownell
2008-03-28 10:20                     ` Ingo Molnar
2008-03-28 11:01                       ` Pavel Machek
2008-03-28 15:03                       ` Jan Engelhardt
2008-03-28 20:14                         ` David Brownell
2008-03-28 12:51                     ` Kconfig RTC selection (was: 2.6.25-rc7: Ugh.) Tilman Schmidt
2008-03-28 13:49                       ` Kconfig RTC selection Mark Lord
2008-03-28 19:22                       ` Kconfig RTC selection (was: 2.6.25-rc7: Ugh.) David Brownell
2008-03-29 12:55                         ` Kconfig RTC selection Tilman Schmidt
2008-03-28 13:47                     ` 2.6.25-rc7: Ugh Mark Lord
2008-03-28 20:04                       ` Kconfig RTC selection (was: 2.6.25-rc7: Ugh.) David Brownell
2008-03-28 21:06                         ` Adrian Bunk
2008-03-28 21:23                           ` David Brownell
2008-03-28 21:33                             ` Adrian Bunk
2008-03-28 21:45                               ` David Brownell
2008-03-28 21:59                                 ` Adrian Bunk
2008-03-28 22:18                                   ` David Brownell
2008-03-28 22:36                                     ` Adrian Bunk
2008-03-29 11:40                                     ` [rtc-linux] " Alessandro Zummo
2008-03-28 14:56                     ` 2.6.25-rc7: Ugh Jan Engelhardt
2008-03-28 17:47                       ` Adrian Bunk
2008-03-29  3:58               ` Mark Lord
2008-03-28  1:51   ` Mark Lord
2008-03-28  2:11   ` Mark Lord
2008-03-28  2:13     ` Mark Lord
2008-03-28 14:34     ` Alan Stern
2008-03-28 14:57       ` Mark Lord
2008-03-27 22:00 ` Rafael J. Wysocki
2008-03-28  5:22   ` Mark Lord
2008-03-28  2:14 ` Mark Lord
2008-03-28  9:24   ` Pavel Machek
2008-03-30 21:04     ` Mark Lord
2008-03-30 21:09       ` Mark Lord
2008-03-31 11:55       ` Oliver Neukum
2008-03-31 14:39         ` Mark Lord
2008-03-31 15:04           ` Oliver Neukum
2008-03-31 15:04             ` Mark Lord
2008-03-31 15:14               ` Mark Lord
2008-03-31 16:37               ` Oliver Neukum
2008-03-31 17:03                 ` Mark Lord
2008-03-31 17:06                   ` Mark Lord
2008-03-31 17:15                   ` Mark Lord
2008-03-31 17:21                     ` Mark Lord
2008-03-31 17:30                       ` Mark Lord
2008-03-31 18:05                         ` Oliver Neukum
2008-03-31 19:21                           ` Mark Lord
2008-04-02  8:04                             ` Oliver Neukum
2008-04-02 14:38                               ` Mark Lord
2008-04-02 14:38                                 ` Mark Lord
2008-04-02 15:05                                   ` 2.6.25-rc7/rc8 USB dead on resume Mark Lord
2008-04-02 15:21                                     ` Oliver Neukum
2008-04-02 15:08                                   ` 2.6.25-rc7: Ugh Alan Stern
2008-04-02 15:44                                     ` Mark Lord [this message]
2008-04-02 15:47                                       ` 2.6.25-rc7: Ugh. ---> PATCH Mark Lord
2008-04-02 15:49                                         ` Mark Lord
2008-04-02 20:09                                       ` Alan Stern
2008-04-02 16:04                                     ` 2.6.25-rc7: Ugh David Brownell
2008-04-02 16:09                                       ` Mark Lord
2008-04-02 20:22                                         ` David Brownell
2008-04-02 16:20                                       ` [PATCH] usb ehci_iaa_watchdog fix Mark Lord
2008-04-02 16:48                                         ` Alan Stern
2008-04-02 17:34                                           ` Mark Lord
2008-04-02 18:08                                             ` Mark Lord
2008-04-02 19:20                                               ` Alan Stern
2008-04-02 20:42                                                 ` David Brownell
2008-04-02 21:08                                                   ` Alan Stern
2008-04-07 23:37                                                     ` David Brownell
2008-04-08  2:13                                                       ` Alan Stern
2008-04-02 20:31                                           ` David Brownell
2008-04-02 20:55                                             ` Alan Stern
2008-04-02 23:07                                               ` David Brownell
2008-04-02 16:56                                         ` David Brownell
2008-04-01  9:59                           ` 2.6.25-rc7: Ugh Pavel Machek

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