Date: Fri, 05 Jun 1998 17:24:33 -0400 (EDT) From: Simon Shapiro <shimon@simon-shapiro.org> To: Stefan Esser <se@FreeBSD.ORG> Cc: Greg Lehey <grog@lemis.com>, Mike Smith <mike@smith.net.au>, Karl Pielorz <kpielorz@tdx.co.uk>, tcobb <tcobb@staff.circle.net>, "freebsd-current@freebsd.org" <freebsd-current@FreeBSD.ORG>, Michael Hancock <michaelh@cet.co.jp>, Bob Willcox <bob@luke.pmr.com> Subject: Re: DPT driver fails and panics with Degraded Array Message-ID: <XFMail.980605172433.shimon@simon-shapiro.org> In-Reply-To: <19980605000101.27550@mi.uni-koeln.de>
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On 04-Jun-98 Stefan Esser wrote: ... >> DPT_INTR_DELAY: Will cause the interrupt service routine to spin a >> little >> bit, giving the hardware chance to settle a bit before dpt_intr gets all >> excited about it. > > Is this really necessary with certain revisions of the DPT > firmware ? Reading a device register should delay just for > the minimum time required. Did you try that ? No, it is not necessary. Yes, this is how the DPT driver works. Simon --- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG 770.265.7340 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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