From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: tao@acc.umu.se (David Weinehall)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox),
grant@aerodeck.prestel.co.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RE: 2.4.5-ac14 through to 2.4.6-ac1 fdomain.c initialisation for shared IRQ
Date: Thu, 5 Jul 2001 19:34:06 +0100 (BST) [thread overview]
Message-ID: <E15IDx0-00036c-00@the-village.bc.nu> (raw)
In-Reply-To: <20010705202605.B27854@khan.acc.umu.se> from "David Weinehall" at Jul 05, 2001 08:26:05 PM
> > A. Check bit 0 of the status port and return
> >
> > B. Check bit 4 or bit 9 of the interrupt control register
> >
> > Without docs someone would need to play with the various combinations and
> > see what happened
>
> Uhmmm, an idea would be to look in fd_mcs.c as that driver already has
> working support for irq-sharing.
Doh.
Ok that indeed shows you check bit 0 if the status port.
Right I'll add shared IRQ support to that driver
prev parent reply other threads:[~2001-07-05 18:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-05 17:57 Grant Fribbens
2001-07-05 18:16 ` Alan Cox
2001-07-05 18:26 ` David Weinehall
2001-07-05 18:34 ` Alan Cox [this message]
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