This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This feature is mutually
exclusive with
On Fri, 22 Jun 2007 21:00:00 +0200
Jens Axboe <[EMAIL PROTECTED]> wrote:
> Exactly, it needs to be handled by some power management daemon anyway
> and be integrated with power savings in general. You could use io load
> to determine when to enable/disable alpm, for instance.
>
> > Acked-by: Kris
On Fri, Jun 22 2007, Kristen Carlson Accardi wrote:
> On Thu, 21 Jun 2007 15:08:32 +0200
> Jens Axboe <[EMAIL PROTECTED]> wrote:
>
> > On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
> > > Enable Aggressive Link Power management for AHCI controllers.
> > >
> > > This patch will set the correc
On Thu, 21 Jun 2007 15:08:32 +0200
Jens Axboe <[EMAIL PROTECTED]> wrote:
> On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
> > Enable Aggressive Link Power management for AHCI controllers.
> >
> > This patch will set the correct bits to turn on Aggressive
> > Link Power Management (ALPM) for
On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
> Enable Aggressive Link Power management for AHCI controllers.
>
> This patch will set the correct bits to turn on Aggressive
> Link Power Management (ALPM) for the ahci driver. This
> will cause the controller and disk to negotiate a lower
> p
Enable Aggressive Link Power management for AHCI controllers.
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI
On Tue, 12 Jun 2007 11:46:56 -0400
Jeff Garzik <[EMAIL PROTECTED]> wrote:
> Matthew Garrett wrote:
> > On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
> >> On Tue, 12 Jun 2007, Matthew Garrett wrote:
> >>> Laptop bays are designed to deal with hotplugging PATA - I don'
Matthew Garrett wrote:
Excluding the corner case of an Expresscard SATA controller (where I
suspect you'd want different policy), I doubt there are any cases where
you have a laptop with hotplug capabilities without it being implemented
as an ACPI bay.
Cardbus card.
Jeff
-
To unsu
On Tue, Jun 12, 2007 at 11:46:56AM -0400, Jeff Garzik wrote:
> Matthew Garrett wrote:
> >On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh
> >wrote:
> >>On Tue, 12 Jun 2007, Matthew Garrett wrote:
> >>>Laptop bays are designed to deal with hotplugging PATA - I don't think
> >>
On Wed, Jun 13, 2007 at 12:45:21AM +0900, Tejun Heo wrote:
> Matthew Garrett wrote:
> > Yes, but they'll also send an ACPI interrupt even if the SATA host
> > controller doesn't - it's part of the spec for bays.
>
> Does the spec mandate that the ACPI interrupt shouldn't depend on SATA
> phy stat
Matthew Garrett wrote:
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
Laptop bays are designed to deal with hotplugging PATA - I don't think
this is too much of an issue :)
The new SATA ones use the SATA hardware hotplug
Matthew Garrett wrote:
> On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
>> On Tue, 12 Jun 2007, Matthew Garrett wrote:
>>> Laptop bays are designed to deal with hotplugging PATA - I don't think
>>> this is too much of an issue :)
>> The new SATA ones use the SATA hard
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
> On Tue, 12 Jun 2007, Matthew Garrett wrote:
> > Laptop bays are designed to deal with hotplugging PATA - I don't think
> > this is too much of an issue :)
>
> The new SATA ones use the SATA hardware hotplug ;-) Just
On Tue, 12 Jun 2007, Matthew Garrett wrote:
> On Tue, Jun 12, 2007 at 09:18:19AM -0300, Henrique de Moraes Holschuh wrote:
> > On Tue, 12 Jun 2007, Matthew Garrett wrote:
> > >
> > > On laptops, I suspect that we'll probably get an ACPI interrupt even if
> > > the AHCI hotplug pathway can't manag
On Tue, Jun 12, 2007 at 09:18:19AM -0300, Henrique de Moraes Holschuh wrote:
> On Tue, 12 Jun 2007, Matthew Garrett wrote:
> >
> > On laptops, I suspect that we'll probably get an ACPI interrupt even if
> > the AHCI hotplug pathway can't manage.
>
> As long as we don't crash the drive or AHCI co
On Tue, 12 Jun 2007, Matthew Garrett wrote:
> On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote:
> > that's a temporary shortcoming; even with these power savings you can
> > do hotplug as long as you're willing to poll for it at a reasonable
> > interval and are willing to wait th
On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote:
> that's a temporary shortcoming; even with these power savings you can
> do hotplug as long as you're willing to poll for it at a reasonable
> interval and are willing to wait the time between polls for a hotplug
> to take effec
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Jeff Garzik wrote:
on/off doesn't really make sense if the question is "do you favor power
or do you favor performance"...
Actually, it does if you think of it as "do you need hotplug right now or
not?".
that's a temporary shortcomi
On Mon, 11 Jun 2007, Jeff Garzik wrote:
> >>on/off doesn't really make sense if the question is "do you favor power
> >>or do you favor performance"...
Actually, it does if you think of it as "do you need hotplug right now or
not?".
> >How about just making it a numeric scale with 0 meaning n
Arjan van de Ven <[EMAIL PROTECTED]> writes:
> Henrique de Moraes Holschuh wrote:
>> On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
>>> Setting Effect
>>> --
>>> min_power ALPM is enabled, and link set to enter low
Dagfinn Ilmari Mannsåker wrote:
Arjan van de Ven <[EMAIL PROTECTED]> writes:
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set t
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
> Setting Effect
> --
> min_power ALPM is enabled, and link set to enter
> lowest power state (SLUMBER) when idle
> Hot plug not allowed.
>
> m
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set to enter
lowest power state (SLUMBER) when idle
Hot plug not allowe
Kristen Carlson Accardi wrote:
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This f
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This feature is mutually
exclusive with
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