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Re: [PATCH] au1x00 serial real interrupt

To: Russell King <rmk@arm.linux.org.uk>
Subject: Re: [PATCH] au1x00 serial real interrupt
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 14 Sep 2006 19:10:37 +0100
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>, Rodolfo Giometti <giometti@linux.it>, linux-mips@linux-mips.org
In-reply-to: <20060909163907.GA24012@flint.arm.linux.org.uk>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20060522165244.GA16223@enneenne.com> <44FD9587.3030708@ru.mvista.com> <4502ED14.6080506@ru.mvista.com> <20060909163907.GA24012@flint.arm.linux.org.uk>
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On Sat, Sep 09, 2006 at 05:39:07PM +0100, Russell King wrote:

> Well, if you need IRQ0 to be real then redefining is_real_interrupt()
> is the correct way forward.
> 
> However, Linus' policy is that IRQ0 shall be invalid at least on PCI
> systems, and architectures _should_ remap their real IRQ0 to some other
> number.  Personally I don't like this.  Hence why I prefer to give people
> the option.

I have no strong opinion either.  In some cases not having interrupt 0
available sucks because Linux will have to use a different interrupt
numbering than system documentation ...

  Ralf

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