Re: i8042 access timings

From: Andries Brouwer
Date: Tue Jan 25 2005 - 05:54:42 EST


On Tue, Jan 25, 2005 at 02:41:14AM -0500, Dmitry Torokhov wrote:

> Recently there was a patch from Alan regarding access timing violations
> in i8042. It made me curious as we only wait between accesses to status
> register but not data register. I peeked into FreeBSD code and they use
> delays to access both registers and I wonder if that's the piece that
> makes i8042 mysteriously fail on some boards.

You are following this much more closely than I do, but isn't the
usual complaint "2.4 works, 2.6 fails"?
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