From: David Gibson <david@gibson.dropbear.id.au>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org,
Yoder Stuart-B08248 <stuart.yoder@freescale.com>
Subject: Re: [PATCH 12/14] Add device tree for Ebony
Date: Wed, 21 Feb 2007 15:57:56 +1100 [thread overview]
Message-ID: <20070221045756.GA23082@localhost.localdomain> (raw)
In-Reply-To: <ee2e907ab59d7aa9b7bf026437419914@kernel.crashing.org>
On Tue, Feb 20, 2007 at 08:56:04PM +0100, Segher Boessenkool wrote:
> > Since UIC1 is cascaded off UIC0 in the interrupt tree,
> > UIC1 should have an interrupt-parent pointing to UIC0
> > so the interrupt tree can be traversed to the root.
>
> Not necessary if UIC0 is the device tree parent of UIC1.
> (And in fact it would be "bad style"). But...
>
> > I know this was beaten to death last week, but I would
> > still argue that in the device tree UIC0 and UIC1 should
> > be siblings. (In the interrupt tree the cascade relationship
> > is described through interrupt-parent).
>
> ... that is my opinion as well (as I'm sure you know ;-) ),
> and then of course you _do_ need the interrupt-parent property.
Ok, there are enough people of this opinion (including Paul), that
I've changed to representing the UICs as siblings.
--
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
next prev parent reply other threads:[~2007-02-21 4:57 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-20 2:08 [0/14] Ebony support, 2nd spin David Gibson
2007-02-20 2:12 ` [PATCH 1/14] powerpc: Allow duplicate lmb_reserve() calls David Gibson
2007-02-20 2:12 ` [PATCH 4/14] Use resource_size_t for serial port IO addresses David Gibson
2007-02-20 14:44 ` Sergei Shtylyov
2007-02-21 0:19 ` David Gibson
2007-02-20 2:12 ` [PATCH 3/14] Define FIXED_PORT flag for serial_core David Gibson
2007-02-20 2:12 ` [PATCH 2/14] Automatically lmb_reserve() initrd David Gibson
2007-02-20 2:12 ` [PATCH 7/14] zImage: Cleanup and improve zImage entry point David Gibson
2007-02-21 0:57 ` Geoff Levand
2007-02-20 2:12 ` [PATCH 10/14] Early serial debug support for PPC44x David Gibson
2007-02-20 13:26 ` Segher Boessenkool
2007-02-21 0:20 ` David Gibson
2007-02-20 2:12 ` [PATCH 11/14] Add arch/powerpc driver for UIC, PPC4xx interrupt controller David Gibson
2007-02-20 2:12 ` [PATCH 5/14] zImage: Add more flexible gunzip convenience functions David Gibson
2007-02-21 0:56 ` Geoff Levand
2007-02-20 2:12 ` [PATCH 8/14] zImage wrapper for Ebony David Gibson
2007-02-20 2:12 ` [PATCH 12/14] Add device tree " David Gibson
2007-02-20 15:09 ` Josh Boyer
2007-02-21 0:24 ` David Gibson
2007-02-21 12:25 ` Segher Boessenkool
2007-02-20 19:22 ` Yoder Stuart-B08248
2007-02-20 19:56 ` Segher Boessenkool
2007-02-21 4:57 ` David Gibson [this message]
2007-02-22 6:49 ` Segher Boessenkool
2007-02-20 2:12 ` [PATCH 6/14] zImage: Cleanup and improve prep_kernel() David Gibson
2007-02-21 0:56 ` Geoff Levand
2007-02-20 2:12 ` [PATCH 9/14] Port 44x MMU definitions to ARCH=powerpc David Gibson
2007-02-20 2:12 ` [PATCH 14/14] Support for Ebony in arch/powerpc David Gibson
2007-02-20 2:12 ` [PATCH 13/14] Re-organize Kconfig code for 4xx " David Gibson
2007-02-20 13:51 ` Josh Boyer
2007-02-21 0:26 ` David Gibson
2007-02-20 14:05 ` [0/14] Ebony support, 2nd spin Josh Boyer
2007-02-20 14:14 ` Josh Boyer
2007-02-20 14:16 ` Arnd Bergmann
2007-02-20 14:46 ` Josh Boyer
2007-02-20 15:03 ` Josh Boyer
2007-02-20 15:07 ` [0/14] Ebony support, 2nd spi Arnd Bergmann
2007-02-20 15:17 ` Josh Boyer
2007-02-20 15:25 ` Segher Boessenkool
2007-02-20 18:02 ` Arnd Bergmann
2007-02-20 19:51 ` Segher Boessenkool
2007-02-20 20:29 ` Josh Boyer
2007-02-21 0:38 ` David Gibson
2007-02-21 1:30 ` Josh Boyer
2007-02-21 0:44 ` David Gibson
2007-02-20 15:11 ` [0/14] Ebony support, 2nd spin Segher Boessenkool
2007-02-21 0:33 ` David Gibson
2007-02-21 0:35 ` David Gibson
2007-02-21 9:06 ` Arnd Bergmann
2007-02-25 23:57 ` David Gibson
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=20070221045756.GA23082@localhost.localdomain \
--to=david@gibson.dropbear.id.au \
--cc=linuxppc-dev@ozlabs.org \
--cc=segher@kernel.crashing.org \
--cc=stuart.yoder@freescale.com \
/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).