Date: Wed, 12 May 2004 15:26:57 +0200 From: des@des.no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=) To: arch@freebsd.org Cc: dfr@freebsd.org Subject: Re: newbus flaw Message-ID: <xzphdulepy6.fsf@dwp.des.no> In-Reply-To: <20040512010240.GD601@funkthat.com> (John-Mark Gurney's message of "Tue, 11 May 2004 18:02:40 -0700") References: <xzp4qqn6n9v.fsf@dwp.des.no> <20040512010240.GD601@funkthat.com>
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John-Mark Gurney <gurney_j@efn.org> writes: > You are incorrect in assuming you can't find out if another child already > exists.. Usually this is a problem of properly allocating resources so > that you know the other child exists. Since you are using identify, you > already don't have a "self describing" bus, which means that you have > to either use hints, or another method to make sure that your device > doesn't already exist. It's not quite that simple. See the block comment at the top of src/sys/dev/ichwd/ichwd.c for an explanation. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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