Date: Wed, 7 May 1997 12:22:07 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Michael Smith <msmith@atrad.adelaide.edu.au> Cc: bde@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: Adding ISA devices dynamically Message-ID: <Pine.BSF.3.95q.970507122118.3261G-100000@herring.nlsystems.com> In-Reply-To: <199705070052.KAA15688@genesis.atrad.adelaide.edu.au>
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On Wed, 7 May 1997, Michael Smith wrote: > Doug Rabson stands accused of saying: > > > > Since I am adding devices dynamically, I generate new struct isa_devices > > with new device ids. Unfortunately, my new device ids are greater than > > NR_DEVICES and register_intr() fails for the new devices. Basically, we > > have a static limit for interrupting devices. > > Unless you were planning on adding support for shared interrupts (were > you?), there aren't going to be more than 16 ISA interrupts, ever. > > Whether it makes sense to reflect this, or to adopt some more complex but > extensible scheme isn't entirely obvious to me. I have given up for now and reserved a few slots for dynamic irq registration. Its still ugly though. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 951 1891
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