On Thu, May 13, 2010 at 10:30:23AM -0700, Linus Torvalds wrote: > > > On Thu, 13 May 2010, Dmitry Torokhov wrote: > > > > I think on the newer hardware PNP (or rather ACPI mapped onto PNP) usually > > matches the reality. > > Dmitry, you're just making things up. > > I have in front of me a Core i5-670. You can't get much newer than that. > And yes, it has a PS/2 connector at the back. And lookie here: > > [ 1.756777] PNP: No PS/2 controller found. Probing ports directly. > [ 1.760645] serio: i8042 KBD port at 0x60,0x64 irq 1 > [ 1.762087] serio: i8042 AUX port at 0x60,0x64 irq 12 > [ 1.763591] mice: PS/2 mouse device common for all mice > You don't have anything plugged into the ports though, do you? I wonder what your DSDT looks like. > so let it go. You're wrong. PS/2 is a legacy device, and exactly like the > legacy IO memory region in 0xa000-0xffff (or the motherboard IO port > region 0x00-0xff) it may not be mentioned by the BIOS tables. But it's > still there. > > This is also why I think it _would_ be acceptable to say that if you boot > from EFI, you have to find the PnP devices. The whole (and only, as far as > I know) point of EFI was that "legacy-free" thing. Is there an interface a driver can use to query the style of boot used? -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html