Date: Sat, 11 May 2002 01:15:08 +0100 From: Brian Somers <brian@Awfulhak.org> To: Joerg Wunsch <joerg@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, Brian Somers <brian@Awfulhak.org> Subject: Re: cvs commit: src/sys/isa fd.c fdreg.h Message-ID: <200205110015.g4B0F8nA006576@hak.lan.Awfulhak.org> In-Reply-To: Message from Joerg Wunsch <joerg@FreeBSD.org> of "Fri, 10 May 2002 10:56:39 PDT." <200205101756.g4AHudj76454@freefall.freebsd.org>
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> joerg 2002/05/10 10:56:39 PDT
>
> Modified files:
> sys/isa fd.c fdreg.h
> Log:
> Change the PIO loops from a hard counter into a loop that calls DELAY()
> in each cycle, with a tunable max cycle count defined in fdreg.h.
>
> This is said to fix the problem on some Compaq hardware (and perhaps
> on other machines using the Natsemi PC87317 chip) where the fdc(4)
> driver failed to operate at all.
>
> PR: kern/21397
> Submitted by: Jung-uk Kim <jkim@niksun.com>
> MFC after: 3 days
>
> Revision Changes Path
> 1.229 +14 -8 src/sys/isa/fd.c
> 1.16 +12 -0 src/sys/isa/fdreg.h
As fdc is also a module, would it be better to call tsleep() instead
of delay if (!cold) ? Like in sys/dev/digi/digi.c:digi_delay()...
--
Brian <brian@Awfulhak.org> <brian@freebsd-services.com>
<http://www.Awfulhak.org>; <brian@[uk.]FreeBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@[uk.]OpenBSD.org>
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