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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Linux PM mailing list <linux-pm@lists.linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-sh list <linux-sh@vger.kernel.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	Kevin Hilman <khilman@ti.com>, Ming Lei <tom.leiming@gmail.com>
Subject: Re: [PATCH 3/3] PM / QoS: Add function dev_pm_qos_read_value() (v2)
Date: Fri, 30 Sep 2011 16:46:41 +0000	[thread overview]
Message-ID: <201109301846.41364.rjw@sisk.pl> (raw)
In-Reply-To: <CAORVsuV4ccJvJg-zCrhVXJKmHkEYLLQh032=BMh7qH27bTK5uQ@mail.gmail.com>

On Friday, September 30, 2011, Jean Pihet wrote:
> Hi Rafael,
> 
> On Thu, Sep 29, 2011 at 10:33 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > Hi,
> >
> > On Thursday, September 29, 2011, Jean Pihet wrote:
> >> Hi Rafael,
> >>
> >> I have a few minor remarks, inlined below.
> >
> > In the meantime it turned out that the patch caused a build failure
> > for CONFIG_PM_SLEEP unset (your original patches won't really work
> > in this case too), so I posted a patch to fix it.  However, since
> > you had remarks anyway, I've simply folded the fix into the next
> > version of the $subject patch, which is appended.
> OK to me.
> 
> I have 2 remarks though:
> - some drivers are using the power_state field in the suspend/resume
> operation, IIUC without conflict. Can you confirm?

Yes, I can.  There are no conflicts.

> - the power_state field is scheduled for removal, cf.
> Documentation/feature-removal-schedule.txt. That does not look
> correct.

It still is schediled for removal, but we can't remove it right now
anyway because of the users mentioned above.  I'll replace this field
with a one-bit flag when we're ready to drop it (some time in future).

Thanks,
Rafael

WARNING: multiple messages have this Message-ID (diff)
From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Linux PM mailing list <linux-pm@lists.linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"Linux-sh list" <linux-sh@vger.kernel.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	Kevin Hilman <khilman@ti.com>, Ming Lei <tom.leiming@gmail.com>
Subject: Re: [PATCH 3/3] PM / QoS: Add function dev_pm_qos_read_value() (v2)
Date: Fri, 30 Sep 2011 18:46:41 +0200	[thread overview]
Message-ID: <201109301846.41364.rjw@sisk.pl> (raw)
In-Reply-To: <CAORVsuV4ccJvJg-zCrhVXJKmHkEYLLQh032=BMh7qH27bTK5uQ@mail.gmail.com>

On Friday, September 30, 2011, Jean Pihet wrote:
> Hi Rafael,
> 
> On Thu, Sep 29, 2011 at 10:33 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > Hi,
> >
> > On Thursday, September 29, 2011, Jean Pihet wrote:
> >> Hi Rafael,
> >>
> >> I have a few minor remarks, inlined below.
> >
> > In the meantime it turned out that the patch caused a build failure
> > for CONFIG_PM_SLEEP unset (your original patches won't really work
> > in this case too), so I posted a patch to fix it.  However, since
> > you had remarks anyway, I've simply folded the fix into the next
> > version of the $subject patch, which is appended.
> OK to me.
> 
> I have 2 remarks though:
> - some drivers are using the power_state field in the suspend/resume
> operation, IIUC without conflict. Can you confirm?

Yes, I can.  There are no conflicts.

> - the power_state field is scheduled for removal, cf.
> Documentation/feature-removal-schedule.txt. That does not look
> correct.

It still is schediled for removal, but we can't remove it right now
anyway because of the users mentioned above.  I'll replace this field
with a one-bit flag when we're ready to drop it (some time in future).

Thanks,
Rafael

  reply	other threads:[~2011-09-30 16:46 UTC|newest]

Thread overview: 93+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-30 22:17 [PATCH 0/5] PM: Generic PM domains and device PM QoS Rafael J. Wysocki
2011-08-30 22:17 ` Rafael J. Wysocki
2011-08-30 22:18 ` [PATCH 1/5] PM / Domains: Split device PM domain data into base and need_restore Rafael J. Wysocki
2011-08-30 22:18 ` Rafael J. Wysocki
2011-08-30 22:18   ` Rafael J. Wysocki
2011-08-30 22:20 ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for power.irq_safe set Rafael J. Wysocki
2011-08-30 22:20   ` Rafael J. Wysocki
2011-09-12  8:26   ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for Ming Lei
2011-09-12  8:26     ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for power.irq_safe set Ming Lei
2011-09-12 21:52     ` Rafael J. Wysocki
2011-09-12 21:52       ` Rafael J. Wysocki
     [not found]     ` <201109122344.02386.rjw@sisk.pl>
2011-09-13  1:22       ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for Ming Lei
2011-09-13  1:22         ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for power.irq_safe set Ming Lei
2011-09-13 16:06         ` Rafael J. Wysocki
2011-09-13 16:06           ` Rafael J. Wysocki
2011-09-14  1:12           ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for Ming Lei
2011-09-14  1:12             ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for power.irq_safe set Ming Lei
2011-09-14 20:45             ` Rafael J. Wysocki
2011-09-14 20:45               ` Rafael J. Wysocki
2011-09-15 10:55               ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for Ming Lei
2011-09-15 10:55                 ` [PATCH 2/5] PM / Runtime: Do not run callbacks under lock for power.irq_safe set Ming Lei
2011-08-30 22:20 ` Rafael J. Wysocki
2011-08-30 22:21 ` [PATCH 3/5] PM / QoS: Add function dev_pm_qos_read_value() Rafael J. Wysocki
2011-08-30 22:21 ` Rafael J. Wysocki
2011-08-30 22:21   ` Rafael J. Wysocki
2011-09-01 15:13   ` Jean Pihet
2011-09-01 15:13     ` Jean Pihet
2011-09-01 22:07     ` Rafael J. Wysocki
2011-09-01 22:07     ` Rafael J. Wysocki
2011-09-01 22:07       ` Rafael J. Wysocki
2011-09-02  6:49       ` Jean Pihet
2011-09-02  6:49       ` Jean Pihet
2011-09-02  6:49         ` Jean Pihet
2011-09-02 23:55         ` Rafael J. Wysocki
2011-09-02 23:55         ` Rafael J. Wysocki
2011-09-02 23:55           ` Rafael J. Wysocki
2011-09-03  8:02           ` Rafael J. Wysocki
2011-09-03  8:02             ` Rafael J. Wysocki
2011-09-05  7:51             ` Jean Pihet
2011-09-05  7:51             ` Jean Pihet
2011-09-05  7:51               ` Jean Pihet
2011-09-05 15:30               ` Rafael J. Wysocki
2011-09-05 15:30               ` Rafael J. Wysocki
2011-09-05 15:30                 ` Rafael J. Wysocki
2011-09-03  8:02           ` Rafael J. Wysocki
2011-09-05  7:44           ` Jean Pihet
2011-09-05  7:44           ` Jean Pihet
2011-09-05  7:44             ` Jean Pihet
2011-09-01 15:13   ` Jean Pihet
2011-08-30 22:21 ` [RFC][PATCH 4/5] PM / Domains: Add device stop governor function Rafael J. Wysocki
2011-08-30 22:21 ` Rafael J. Wysocki
2011-08-30 22:21   ` Rafael J. Wysocki
2011-08-30 22:22 ` [RFC][PATCH 5/5] PM / Domains: Add default power off " Rafael J. Wysocki
2011-08-30 22:22 ` Rafael J. Wysocki
2011-08-30 22:22   ` Rafael J. Wysocki
2011-09-01 15:17   ` Jean Pihet
2011-09-01 15:17   ` Jean Pihet
2011-09-01 15:17     ` Jean Pihet
2011-09-01 22:11     ` Rafael J. Wysocki
2011-09-01 22:11     ` Rafael J. Wysocki
2011-09-01 22:11       ` Rafael J. Wysocki
2011-09-01 15:28 ` [PATCH 0/5] PM: Generic PM domains and device PM QoS Jean Pihet
2011-09-01 15:28   ` Jean Pihet
2011-09-01 22:14   ` Rafael J. Wysocki
2011-09-01 22:14   ` Rafael J. Wysocki
2011-09-01 22:14     ` Rafael J. Wysocki
2011-09-01 15:28 ` Jean Pihet
2011-09-24 21:23 ` [PATCH 0/3] PM: Runtime PM and device PM QoS refinements Rafael J. Wysocki
2011-09-24 21:23   ` Rafael J. Wysocki
2011-09-24 21:24   ` [PATCH 1/3] PM / Domains: Split device PM domain data into base and need_restore Rafael J. Wysocki
2011-09-24 21:24     ` Rafael J. Wysocki
2011-09-24 21:25   ` [PATCH 2/3] PM / Runtime: Don't run callbacks under lock for power.irq_safe set Rafael J. Wysocki
2011-09-24 21:25     ` Rafael J. Wysocki
2011-09-25  8:24     ` [PATCH 2/3] PM / Runtime: Don't run callbacks under lock for Ming Lei
2011-09-25  8:24       ` [PATCH 2/3] PM / Runtime: Don't run callbacks under lock for power.irq_safe set Ming Lei
2011-09-26 23:59     ` Kevin Hilman
2011-09-26 23:59       ` Kevin Hilman
2011-09-27 17:16       ` Rafael J. Wysocki
2011-09-27 17:16         ` Rafael J. Wysocki
2011-09-27 19:50         ` Rafael J. Wysocki
2011-09-27 19:50           ` Rafael J. Wysocki
2011-09-29  0:17           ` Kevin Hilman
2011-09-29  0:17             ` Kevin Hilman
2011-09-24 21:26   ` [PATCH 3/3] PM / QoS: Add function dev_pm_qos_read_value() (v2) Rafael J. Wysocki
2011-09-24 21:26     ` Rafael J. Wysocki
2011-09-29  8:11     ` Jean Pihet
2011-09-29  8:11       ` Jean Pihet
2011-09-29 20:33       ` Rafael J. Wysocki
2011-09-29 20:33         ` Rafael J. Wysocki
2011-09-30  8:08         ` Jean Pihet
2011-09-30  8:08           ` Jean Pihet
2011-09-30 16:46           ` Rafael J. Wysocki [this message]
2011-09-30 16:46             ` Rafael J. Wysocki

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