> Hi,
>
> Mike Galbraith <mikeg@weiden.de> wrote:
>
> > It looks to me like there's a typo in pc_keyb.c line 747. I think
> > if (val == 0x5a && (status & KBD_STAT_MOUSE_OBF))
> > should be.
> > if (val != 0x5a && (status & KBD_STAT_MOUSE_OBF))
>
> I don't know if it is a typo but the maintainer of this piece of code
> told me to add these debugging printk's to pc_keyb.c:
>
> if (status & KBD_STAT_OBF) {
> + printk("kbd status reg: 0x%02x\n", status);
> val = inb(KBD_DATA_REG);
> + printk("got 0x%02x from kbd data reg.\n", val);
> if (val == 0x5a && (status & KBD_STAT_MOUSE_OBF)) {
> printk(KERN_INFO "Detected PS/2 Mouse Port.\n");
> retval = 1;
> }
> }
>
> I sent him the output of dmesg after booting with these printk's and
> it looks like there is a problem in the detection logic. Can you try
> thse printk and let us know what are the values of status and val?
Sure.
kbd status reg: 0x35
got 0xfe from kbd data reg.
-Mike
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