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Subject: Re: BUG: pc_keyb.c
To: Andries.Brouwer@cwi.nl
Date: Mon, 20 Aug 2001 23:51:25 +0100 (BST)
Cc: alan@lxorguk.ukuu.org.uk, lars.segerlund@comsys.se,
        linux-kernel@vger.kernel.org
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> But the present code does not guarantee such a delay at all.
> For example, kbd_write_cmd() does
> 	kb_wait();
> 	outb(...);
> 	kb_wait();
> where the second kb_wait reads the status very quickly after the first.

Thats wrong by the spec. I dug out my docs - there is a required 1mS (not
2 tho) delay for keyboard port accesses.