| To: | Dominic Sweetman <dom@algor.co.uk> |
|---|---|
| Subject: | Re: [PATCH] add dispatch_i8259_irq() to i8259.c |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Tue, 17 Dec 2002 19:23:44 +0100 |
| Cc: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, Jun Sun <jsun@mvista.com>, linux-mips@linux-mips.org |
| 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 |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <20021216124009.D10178@mvista.com> <Pine.GSO.3.96.1021217131352.7289A-100000@delta.ds2.pg.gda.pl> <15871.13866.515311.16388@arsenal.algor.co.uk> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.2.5.1i |
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 |
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