On Sat, Jul 02, 2005 at 06:11:49PM +0200, Rene Herman wrote:
> Hi Andrew.
>
> Non-trivial in that I'm unsure of original intent but trivial in that
> it's just a printk()...
>
> On bootup, I see:
>
> pnp: the driver 'i8042 kbd' has been registered
> pnp: match found with the PnP device '00:05' and the driver 'i8042 kbd'
> pnp: the driver 'i8042 aux' has been registered
> PNP: PS/2 controller doesn't have AUX irq; using default 0xc
> PNP: PS/2 Controller [PNP0303] at 0x60,0x64 irq 112
> serio: i8042 AUX port at 0x60,0x64 irq 12
> serio: i8042 KBD port at 0x60,0x64 irq 1
>
> That "irq 112" (last PNP: line) should read "irq 1,12" but is being run
> together:
>
> printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d%s%d\n",
> i8042_pnp_kbd_name,
> (result_kbd > 0 && result_aux > 0) ? "," : "",
> i8042_pnp_aux_name,
> i8042_data_reg,
> i8042_command_reg,
> i8042_kbd_irq,
> (result_aux > 0) ? "," : "", i8042_aux_irq);
>
> That first 'foo ? "," : ""' construct there seems somewhat okay-ish
> since i8042_pnp_aux_name is a 0-string when result_aux <= 0, but this
> obviously does not work for i8042_aux_irq (an integer).
I've already fixed this part in my code, and will be pushing it upstream
as soon as the input GIT tree gets merged by Linus.
> In my case result_aux is 0 due to my BIOS not exporting a PS/2 mouse PNP
> id after which the code just assigns the default irq 12 (the first PNP:
> line above) but winds up printing "irq 112". Due to that default
> assignment, the correct fix would seem to be to just have "%d,%d".
> Attachment does this (and takes the opportunity to change two %#x format
> specifiers for the IRQs to %d).
>
> Did not know who to more specifically bother about this; hope that's okay.
> --- linux-2.6.12.2/drivers/input/serio/i8042-x86ia64io.h.orig 2005-07-02 16:49:16.000000000 +0200
> +++ linux-2.6.12.2/drivers/input/serio/i8042-x86ia64io.h 2005-07-02 16:51:17.000000000 +0200
> @@ -281,12 +281,12 @@
> }
>
> if (!i8042_pnp_kbd_irq) {
> - printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %#x\n", i8042_kbd_irq);
> + printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
> i8042_pnp_kbd_irq = i8042_kbd_irq;
> }
>
> if (!i8042_pnp_aux_irq) {
> - printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %#x\n", i8042_aux_irq);
> + printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
> i8042_pnp_aux_irq = i8042_aux_irq;
> }
And I'm fixing this now, too.
> @@ -300,10 +300,9 @@
> i8042_kbd_irq = i8042_pnp_kbd_irq;
> i8042_aux_irq = i8042_pnp_aux_irq;
>
> - printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d%s%d\n",
> + printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d,%d\n",
> i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "", i8042_pnp_aux_name,
> - i8042_data_reg, i8042_command_reg, i8042_kbd_irq,
> - (result_aux > 0) ? "," : "", i8042_aux_irq);
> + i8042_data_reg, i8042_command_reg, i8042_kbd_irq, i8042_aux_irq);
>
> return 0;
> }
--
Vojtech Pavlik
SuSE Labs, SuSE CR
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