On Iau, 2005-12-08 at 13:39 +0000, Matthew Garrett wrote: > On Thu, Dec 08, 2005 at 01:33:08PM +0000, Christoph Hellwig wrote: > > > Don't do it at all. We don't need to fuck up every layer and driver for > > intels braindamage. > > Doing SATA suspend/resume properly on x86 depends on knowing the ACPI > object that corresponds to a host or target. It's also the only way to > support hotswap on this hardware[1], since there's no way for userspace > to know which device a notification refers to. > > [1] ie, most laptops sold nowadays Actually "most PC systems" Nevertheless Christoph has a point even if its hidden behind a George Bush approach to diplomacy. The scsi core directly shouldn't need to know about ACPI or other arch specific PM systems. Something like "pci_to_acpi(struct pcidev *)" belongs in arch specific code even if we do add a generic "void * pm_device" type pointer to struct pci_dev or struct device for such a purpose. Alan - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
