Re: [patch 3/3] Enable Aggressive Link Power management for AHCIcontrollers.
From: Tejun Heo
Date: Tue Jun 12 2007 - 11:45:48 EST
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.
Does the spec mandate that the ACPI interrupt shouldn't depend on SATA
phy status? I don't think vendors are likely to implement separate
mechanism when SATA phy status can do the job fine.
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