From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: PM regression with commit 5de85b9d57ab PM runtime re-init in v4.5-rc1
Date: Thu, 4 Feb 2016 17:08:11 -0800 [thread overview]
Message-ID: <20160205010810.GR19432@atomide.com> (raw)
In-Reply-To: <CAPDyKFrMZYdeun67FBXdWL16DBOuO16qqOxRsks3QBJhNB8SoQ@mail.gmail.com>
* Ulf Hansson <ulf.hansson@linaro.org> [160204 14:35]:
> On 4 February 2016 at 23:09, Alan Stern <stern@rowland.harvard.edu> wrote:
> > On Thu, 4 Feb 2016, Ulf Hansson wrote:
> >
> >> I am really not questioning the autosuspend feature at all, it's a
> >> really great feature!
> >>
> >> Now, I question the minor benefit we actually gain from having the
> >> runtime PM core to update the mark in rpm_resume().
> >
> > As Tony pointed out, it prevents some devices from going to sleep right
> > away.
>
> Because their drivers don't care to update the last busy mark!?
Nope. Without that devices may never resume at all so the drivers
can't do anything about it.
Regards,
Tony
next prev parent reply other threads:[~2016-02-05 1:08 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 22:48 PM regression with commit 5de85b9d57ab PM runtime re-init in v4.5-rc1 Tony Lindgren
2016-01-26 22:50 ` Tony Lindgren
2016-01-26 23:14 ` Rafael J. Wysocki
2016-01-26 23:22 ` Tony Lindgren
2016-01-26 23:37 ` Rafael J. Wysocki
2016-01-26 23:52 ` Tony Lindgren
2016-01-27 7:54 ` Rafael J. Wysocki
2016-01-27 8:17 ` Ulf Hansson
2016-01-27 15:19 ` Tony Lindgren
2016-01-27 22:51 ` Rafael J. Wysocki
2016-01-28 14:29 ` Ulf Hansson
2016-01-28 16:58 ` Tony Lindgren
2016-02-01 16:44 ` Ulf Hansson
2016-02-01 18:11 ` Tony Lindgren
2016-02-01 22:06 ` Tony Lindgren
2016-02-01 22:17 ` Rafael J. Wysocki
2016-02-01 22:29 ` Tony Lindgren
2016-02-01 23:10 ` Rafael J. Wysocki
2016-02-01 23:28 ` Tony Lindgren
2016-02-01 23:44 ` Tony Lindgren
2016-02-01 23:49 ` Alan Stern
2016-02-02 3:05 ` Tony Lindgren
2016-02-02 10:07 ` Ulf Hansson
2016-02-02 10:42 ` Ulf Hansson
2016-02-02 16:23 ` Alan Stern
2016-02-02 16:35 ` Tony Lindgren
2016-02-02 20:47 ` Ulf Hansson
2016-02-02 23:41 ` Tony Lindgren
2016-02-03 10:23 ` Ulf Hansson
2016-02-03 10:25 ` Ulf Hansson
2016-02-03 12:18 ` Rafael J. Wysocki
2016-02-03 14:58 ` Ulf Hansson
2016-02-03 15:45 ` Alan Stern
2016-02-03 16:09 ` Tony Lindgren
2016-02-03 16:24 ` Ulf Hansson
2016-02-03 17:01 ` Tony Lindgren
2016-02-03 17:16 ` Rafael J. Wysocki
2016-02-03 16:27 ` Tony Lindgren
2016-02-03 18:02 ` Ulf Hansson
2016-02-03 18:28 ` Tony Lindgren
2016-02-03 18:37 ` Ulf Hansson
2016-02-03 18:45 ` Tony Lindgren
2016-02-03 21:51 ` Tony Lindgren
2016-02-02 16:15 ` Alan Stern
2016-02-02 16:49 ` Tony Lindgren
2016-02-02 18:05 ` Tony Lindgren
2016-02-02 18:43 ` Alan Stern
2016-02-02 18:54 ` Tony Lindgren
2016-02-02 19:16 ` Alan Stern
2016-02-02 21:03 ` Tony Lindgren
2016-02-02 21:45 ` Alan Stern
2016-02-02 23:46 ` Tony Lindgren
2016-02-03 13:06 ` Rafael J. Wysocki
2016-02-03 16:36 ` Tony Lindgren
2016-02-03 15:48 ` Alan Stern
2016-02-03 16:37 ` Tony Lindgren
2016-02-03 17:18 ` Rafael J. Wysocki
2016-02-03 17:22 ` Tony Lindgren
2016-02-03 17:27 ` Rafael J. Wysocki
2016-02-04 10:20 ` Ulf Hansson
2016-02-04 16:04 ` Alan Stern
2016-02-04 17:20 ` Tony Lindgren
2016-02-04 21:11 ` Ulf Hansson
2016-02-04 22:09 ` Alan Stern
2016-02-04 22:34 ` Ulf Hansson
2016-02-05 1:08 ` Tony Lindgren [this message]
2016-02-05 6:54 ` Ulf Hansson
2016-02-05 19:10 ` Tony Lindgren
2016-02-02 18:47 ` Tony Lindgren
2016-02-02 20:24 ` Ulf Hansson
2016-02-02 21:24 ` Alan Stern
2016-02-02 21:39 ` Tony Lindgren
2016-02-03 13:03 ` Rafael J. Wysocki
2016-02-03 16:49 ` Tony Lindgren
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