Re: [patch 3/3] Enable Aggressive Link Power management for AHCI controllers.

From: Matthew Garrett
Date: Tue Jun 12 2007 - 11:58:52 EST

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
> >>>this is too much of an issue :)
> >>The new SATA ones use the SATA hardware hotplug ;-) Just like the pci-e
> >>cards use usb2.0 and pci-e hotplug...
> >
> >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.
> Regardless, having a laptop does not imply having a docking bay.

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.

Matthew Garrett | mjg59@xxxxxxxxxxxxx
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