From: Arnd Bergmann <arnd@arndb.de>
To: linuxppc-dev@ozlabs.org
Subject: Re: SPI devices and OF
Date: Wed, 4 Apr 2007 19:03:46 +0200 [thread overview]
Message-ID: <200704041903.46629.arnd@arndb.de> (raw)
In-Reply-To: <4850DC60-A560-4A38-8416-ADA776B69509@kernel.crashing.org>
On Wednesday 04 April 2007, Kumar Gala wrote:
> I don't think this is a good idea for SPI devices. =A0The effort vs =A0
> reward isn't worth it. =A0The simple fact that the 'chip select' =A0
> mechanism ends up being board specific is too much of a pain to =A0
> figure out how to deal with in the device tree. =A0I think its ok if we =
=A0
> put information about the controller in the tree, but trying to do =A0
> the devices as well at this point doesn't seem like its much of a win.
>=20
I'm not following your argumentation. If the chip select is board specific,
isn't the device tree for that board _exactly_ the place where that
information should be? Where else would you get it from?
Arnd <><
next prev parent reply other threads:[~2007-04-04 17:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-04 11:09 SPI devices and OF Sascha Hauer
2007-04-04 11:51 ` Vitaly Wool
2007-04-04 16:34 ` Kumar Gala
2007-04-04 17:03 ` Arnd Bergmann [this message]
2007-04-04 17:12 ` Kumar Gala
2007-04-05 7:32 ` Benjamin Herrenschmidt
2007-04-05 15:00 ` Milton Miller
2007-04-05 8:33 ` Sascha Hauer
2007-04-04 15:57 ` Milton Miller
2007-04-05 8:50 ` Sascha Hauer
2007-04-05 14:44 ` Milton Miller
2007-04-05 19:11 ` Sascha Hauer
2007-04-05 19:52 ` Arnd Bergmann
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=200704041903.46629.arnd@arndb.de \
--to=arnd@arndb.de \
--cc=linuxppc-dev@ozlabs.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).