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From: David Gibson <david@gibson.dropbear.id.au>
To: Timur Tabi <timur@freescale.com>
Cc: scottwood@freescale.com, Vijay Nikam <vijay.t.nikam@gmail.com>,
	linuxppc-dev@ozlabs.org
Subject: Re: request_irq return errno 38
Date: Fri, 13 Feb 2009 09:49:15 +1100	[thread overview]
Message-ID: <20090212224915.GA5545@yookeroo.seuss> (raw)
In-Reply-To: <ed82fe3e0902120839q54793762uc9b180a82cad45c7@mail.gmail.com>

On Thu, Feb 12, 2009 at 10:39:36AM -0600, Timur Tabi wrote:
> On Thu, Feb 12, 2009 at 4:51 AM, Vijay Nikam <vijay.t.nikam@gmail.com> wrote:
> 
> > Also how I can read the device tree binary file ? ? ?
> 
> It would be a lot simpler if you just read the documentation (see
> booting-without-of.txt) and looked at other device drivers to see what
> they do.

You don't need to directly read the device tree, the provided helper
functions (irq_parse_and_map() and the like) will read the device tree
for you.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

  reply	other threads:[~2009-02-12 22:49 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-11  8:43 request_irq return errno 38 Vijay Nikam
2009-02-11  9:15 ` Michael Ellerman
2009-02-11  9:41   ` Vijay Nikam
2009-02-11  9:54     ` Michael Ellerman
2009-02-11 10:13       ` Vijay Nikam
2009-02-11 22:35         ` Brad Boyer
2009-02-12  6:01           ` Benjamin Herrenschmidt
2009-02-12 10:51           ` Vijay Nikam
2009-02-12 16:39             ` Timur Tabi
2009-02-12 22:49               ` David Gibson [this message]
2009-02-11 22:48         ` Scott Wood

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