From: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
To: Dave Martin <dave.martin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH 5/5] ARM: gic: add OF based initialization
Date: Sun, 18 Sep 2011 00:21:44 -0600 [thread overview]
Message-ID: <20110918062144.GF3523@ponder.secretlab.ca> (raw)
In-Reply-To: <20110916160939.GA2100-5wv7dgnIgG8@public.gmane.org>
On Fri, Sep 16, 2011 at 05:09:39PM +0100, Dave Martin wrote:
> For now, we express the mapping by putting an interrupt-map in the
> core-tile DT, but this feels inelegant as well as wasteful -- expressing
> "+ 32" using a table which is about 1K in size and duplicates that
> information 43 times.
>
> Using a dedicated irq domain or a fake interrupt controller node to
> encapsulate the motherboard interrupts feels like a cleaner approach,
> but for now I'm not clear on the best way to do it.
An irq nexus node would indeed be something to investigate for your
particular case. Look for examples of interrupt-map. It is most
often used for handling IRQ swizzling on PCI busses.
g.
next prev parent reply other threads:[~2011-09-18 6:21 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-14 16:31 [PATCH 0/5] GIC OF bindings Rob Herring
2011-09-14 16:31 ` [PATCH 2/5] irq: fix existing domain check in irq_domain_add Rob Herring
[not found] ` <1316017900-19918-3-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-14 16:44 ` Thomas Gleixner
2011-09-17 23:24 ` Grant Likely
[not found] ` <1316017900-19918-1-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-14 16:31 ` [PATCH 1/5] irq: add declaration of irq_domain_simple_ops to irqdomain.h Rob Herring
2011-09-14 16:31 ` [PATCH 3/5] of/irq: introduce of_irq_init Rob Herring
[not found] ` <1316017900-19918-4-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-15 10:41 ` Arnd Bergmann
2011-09-17 23:53 ` Grant Likely
[not found] ` <20110917235328.GA3523-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2011-09-18 1:37 ` Rob Herring
[not found] ` <4E754B56.1010404-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-18 6:02 ` Grant Likely
2011-09-14 16:31 ` [PATCH 5/5] ARM: gic: add OF based initialization Rob Herring
2011-09-14 17:46 ` Marc Zyngier
[not found] ` <4E70E88E.4090503-5wv7dgnIgG8@public.gmane.org>
2011-09-14 17:57 ` Rob Herring
2011-09-14 18:34 ` Marc Zyngier
[not found] ` <4E70F3C9.2010202-5wv7dgnIgG8@public.gmane.org>
2011-09-14 18:51 ` Rob Herring
[not found] ` <4E70F7BE.6020909-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-18 0:13 ` Grant Likely
2011-09-15 7:55 ` Thomas Abraham
[not found] ` <CAJuYYwSFu2HC+u2NY41+yw9tEyy85RKa4Dpm3SL+jbwS_OOA0A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-09-15 10:07 ` Cousson, Benoit
[not found] ` <4E71CE5D.9030900-l0cyMroinI0@public.gmane.org>
2011-09-15 10:29 ` Russell King - ARM Linux
[not found] ` <20110915102915.GJ6267-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2011-09-15 12:28 ` Cousson, Benoit
[not found] ` <4E71EF56.3050503-l0cyMroinI0@public.gmane.org>
2011-09-15 12:51 ` Russell King - ARM Linux
[not found] ` <20110915125107.GK6267-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2011-09-15 13:03 ` Cousson, Benoit
2011-09-15 13:11 ` Rob Herring
[not found] ` <4E71F978.6020402-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-15 13:52 ` Cousson, Benoit
2011-09-15 16:43 ` Rob Herring
2011-09-18 21:23 ` Rob Herring
[not found] ` <4E76615C.3000005-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-19 12:09 ` Cousson, Benoit
[not found] ` <4E77310A.3000106-l0cyMroinI0@public.gmane.org>
2011-09-19 13:48 ` Rob Herring
[not found] ` <4E774847.3020104-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-19 14:32 ` Cousson, Benoit
2011-09-19 21:14 ` Grant Likely
[not found] ` <CACxGe6v9nd5f5x-eu9hUyAqdS1+p3h6ixyutECYLdNo3ewDH0w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-09-19 21:53 ` Rob Herring
[not found] ` <4E77B9E3.40004-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-20 0:22 ` Grant Likely
2011-09-20 4:18 ` Grant Likely
2011-09-20 15:23 ` Cousson, Benoit
2011-09-19 16:00 ` Russell King - ARM Linux
2011-09-19 20:49 ` Grant Likely
[not found] ` <4E722B2D.4050307-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-19 9:47 ` Cousson, Benoit
[not found] ` <4E770FA6.2070305-l0cyMroinI0@public.gmane.org>
2011-09-19 13:33 ` Russell King - ARM Linux
[not found] ` <20110919133301.GR16381-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2011-09-19 17:44 ` Grant Likely
2011-09-18 6:15 ` Grant Likely
[not found] ` <20110918061526.GE3523-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2011-09-19 8:47 ` Cousson, Benoit
2011-09-16 16:09 ` Dave Martin
[not found] ` <20110916160939.GA2100-5wv7dgnIgG8@public.gmane.org>
2011-09-18 6:21 ` Grant Likely [this message]
2011-09-19 12:07 ` Dave Martin
2011-09-19 13:08 ` Cousson, Benoit
2011-09-15 12:54 ` Rob Herring
[not found] ` <4E71F593.2040903-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-16 9:34 ` Thomas Abraham
[not found] ` <CAJuYYwQ=tSh8k5ZOi2kx6KbMsQ4eVAvgE=T4kdckRSLjdj3dMQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-09-18 6:10 ` Grant Likely
[not found] ` <20110918061024.GD3523-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2011-09-19 12:59 ` Thomas Abraham
[not found] ` <1316017900-19918-6-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-15 10:43 ` Arnd Bergmann
2011-09-18 6:30 ` Grant Likely
2011-09-14 16:31 ` [PATCH 4/5] ARM: gic: allow irq_start to be 0 Rob Herring
[not found] ` <1316017900-19918-5-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-09-18 6:24 ` Grant Likely
2011-09-18 12:03 ` Russell King - ARM Linux
2011-09-15 8:50 ` [PATCH 0/5] GIC OF bindings Jamie Iles
2011-09-15 13:53 ` Shawn Guo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110918062144.GF3523@ponder.secretlab.ca \
--to=grant.likely-s3s/wqlpoipyb63q8fvjnq@public.gmane.org \
--cc=dave.martin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org \
--cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).