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    SubjectRe: [git pull] Input updates for 2.6.34-rc6
    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


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