Re: Input: sunkbd concern

[David S. Miller]

On Fri, 22 Oct 2004 18:33:04 -0500
Dmitry Torokhov <dtor_core@xxxxxxxxxxxxx> wrote:

> I have been looking at sunkbd.c and it seems that it attaches not only to
> ports that speak SUNKBD protocol but also to ports that do not specify any
> protocol:
> 
> 	if ((serio->type & SERIO_PROTO) && (serio->type & SERIO_PROTO) != SERIO_SUNKBD)
> 		return;
> 
> Was that an oversight or it was done intentionally?

I believe it is intentional.

If SERIO_PROTO bits are all clear, this is supposed to have
a special meaning in that any keyboard driver can claim
the serio line.

So if it's the "wildcard" zero value, or specifically SERIO_SUNKBD,
we'll attach to it.
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