Messages in this thread | | | Date | Wed, 13 Jun 2007 00:45:21 +0900 | From | Tejun Heo <> | Subject | Re: [patch 3/3] Enable Aggressive Link Power management for AHCI controllers. |
| |
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.
-- tejun - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |