From: Ralf Baechle <ralf@linux-mips.org>
To: Dominic Sweetman <dom@algor.co.uk>
Cc: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>,
Jun Sun <jsun@mvista.com>,
linux-mips@linux-mips.org
Subject: Re: [PATCH] add dispatch_i8259_irq() to i8259.c
Date: Tue, 17 Dec 2002 19:23:44 +0100 [thread overview]
Message-ID: <20021217192344.A18364@linux-mips.org> (raw)
In-Reply-To: <15871.13866.515311.16388@arsenal.algor.co.uk>; from dom@algor.co.uk on Tue, Dec 17, 2002 at 02:35:22PM +0000
On Tue, Dec 17, 2002 at 02:35:22PM +0000, Dominic Sweetman wrote:
> Alternatively, many MIPS systems have a hardware feature which enables
> them to generate imitation-x86 interrupt acknowledge cycles, so you
> can keep the 8259s in complete ignorance that they're not being
> controlled by an x86.
Unless the hardware is an RM200 where under special circumstances the
hardware acknowledge feature may result in loss of some or all i8259
interrupts until full-reinitialization of the i8259 ...
Bugs, bugs ...
Ralf
next prev parent reply other threads:[~2002-12-17 18:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-13 23:08 [PATCH] add dispatch_i8259_irq() to i8259.c Jun Sun
2002-12-14 0:55 ` Maciej W. Rozycki
2002-12-14 4:18 ` Ralf Baechle
2002-12-16 13:44 ` Maciej W. Rozycki
2002-12-16 20:40 ` Jun Sun
2002-12-17 13:39 ` Maciej W. Rozycki
2002-12-17 14:35 ` Dominic Sweetman
2002-12-17 18:23 ` Ralf Baechle [this message]
2002-12-17 18:33 ` Maciej W. Rozycki
2002-12-17 18:27 ` Maciej W. Rozycki
2002-12-17 19:54 ` Jun Sun
2002-12-17 21:40 ` Jun Sun
2002-12-18 16:14 ` Maciej W. Rozycki
2002-12-18 17:48 ` Jun Sun
2002-12-18 18:14 ` Maciej W. Rozycki
2002-12-18 18:51 ` Jun Sun
2002-12-18 19:26 ` Maciej W. Rozycki
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