On Thu, Dec 08, 2005 at 08:52:25AM -0500, Jeff Garzik wrote: > On Thu, Dec 08, 2005 at 01:39:45PM +0000, Matthew Garrett wrote: > > Doing SATA suspend/resume properly on x86 depends on knowing the ACPI > > object that corresponds to a host or target. > > Not true. Well, where "properly" means "conforming to the ACPI spec". If _GTF is there, it's meant to be called. The _GTF buffer contents can potentially vary depending on BIOS settings, so there's no way for Linux to know what the correct commands to send are. And since _GTF responses can also depend on the information passed to _SDD, it's necessary to support that as well. > > It's also the only way to > > support hotswap on this hardware[1], > > Not true. I was under the impression that ICH5 and ICH6 in non-AHCI mode didn't generate any sort of hotswap interrupt. This gets around that. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx - : 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
