On Mon, 02 Jun 2008 09:03:04 -0400 Mark Lord <liml@xxxxxx> wrote: > Jeff Garzik wrote: > > Alan Cox wrote: > >>> If you are talking about SATA -- incorrect. > >>> > >>> The patch deals with policy, and the user MUST have the ability to > >>> control this stuff. Otherwise you create a situation where the user > >>> might be denied hotplug use in valid cases, or similar negative > >>> situations. > >> > >> The policy isn't however complicated. Tejun added the stuff for forcing > >> cable type and mode on setup and has therefore written all the per device > >> setup code we might need. Alternatively a single > >> > >> foo=1/0 > >> > >> option has been fine for acpi and will do fine for this. Total additional > >> cost - 1 line. > > > > The key requirement is per-port control. Ideally via hdparm or another > > userspace tool, but kernel command line (module options) or sysfs would > > be just fine too. And agreed, the minimal you need is simply 1/0 for > > the port's policy. > .. > > Btw.. hdparm-8.7 (unreleased) can grok /sys now, so that interface is > as good as any from a userspace viewpoint now. > > For the power-off of unused ports, the current patch still sounds > extremely vendor-specific (Intel). Wrong - this patch is implemented according to the AHCI spec and has absolutely nothing vendor specific in it. > > Does it actually work (demonstrate, please) on any other hardware ? If someone would like to test it on another AHCI compliant chipset that would be great. I have none. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
