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From: Jun Sun <jsun@mvista.com>
To: Ralf Baechle <ralf@oss.sgi.com>
Cc: Phil Thompson <Phil.Thompson@pace.co.uk>,
	"'linux-mips@oss.sgi.com'" <linux-mips@oss.sgi.com>
Subject: Re: Moving from old-irq.c
Date: Thu, 12 Jul 2001 16:55:27 -0700	[thread overview]
Message-ID: <3B4E38EF.3D3FF73E@mvista.com> (raw)
In-Reply-To: 20010713013054.A24695@bacchus.dhis.org

Ralf Baechle wrote:
> 
> On Wed, Jul 11, 2001 at 01:16:56PM +0100, Phil Thompson wrote:
> 
> > Is there any documentation around that describes how to move from interrupt
> > code based on old-irq.c to the new code? Or any other hints or suggestions.
> 
> Take a look at arch/mips/sgi/indy_int.c but there are more examples.
> 

Under ddb5xxx/ directory there is an example of doing cascading portable IRQ
controllers.  The irq_cpu.c file really should be shared by all common r4k
style CPUs.

> You'll have to provide
> an init_IRQ()

Ralf, I think we should have a common init_IRQ() in arch/mips/kernel, which
will then call (*setup_irq)().  This way it is easier to build a kernel for
multiple boards.  It is also more compatible with the current arrangment. 
What do you think?

Jun

  reply	other threads:[~2001-07-12 23:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-11 12:16 Moving from old-irq.c Phil Thompson
2001-07-12 23:30 ` Ralf Baechle
2001-07-12 23:55   ` Jun Sun [this message]
2001-07-13  0:41     ` Ralf Baechle
2001-07-13  1:04       ` Jun Sun

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