linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: "Grant Likely" <grant.likely@secretlab.ca>
To: "Timur Tabi" <timur@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>,
	linuxppc-dev@ozlabs.org, Stefan Roese <sr@denx.de>
Subject: Re: "cell-index" vs. "index" vs. no index in I2C device nodes
Date: Thu, 5 Jun 2008 09:39:15 -0600	[thread overview]
Message-ID: <fa686aa40806050839h55d8e358m93248414507f10e2@mail.gmail.com> (raw)
In-Reply-To: <4848028B.5060105@freescale.com>

On Thu, Jun 5, 2008 at 9:13 AM, Timur Tabi <timur@freescale.com> wrote:
> Josh Boyer wrote:
>
>> From a device tree perspective, index and cell-index are both
>> incorrect.  The IIC macros don't share register blocks with anything,
>> are enumerated as unique instances per macro in the device tree, and
>> should be able to be distinguished by "regs" and/or unit address.
>
> I think we should just expand the definition of cell-index to include standard
> device enumeration for when it's needed.  The original definition is too
> limited, IMHO.

nak

if you need explicit indexing then use an alias.  My opinion however
is that explicit indexing is unnecessary and is just an artifact of
current i2c subsystem internals.  There is already enough information
in the device tree to match i2c devices with i2c busses without
resorting to indexes.

Cheers,
g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.

  reply	other threads:[~2008-06-05 15:39 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-04 15:06 "cell-index" vs. "index" vs. no index in I2C device nodes Stefan Roese
2008-06-04 15:24 ` Timur Tabi
2008-06-04 15:43   ` Scott Wood
2008-06-05  2:19     ` Josh Boyer
2008-06-05  2:41       ` David Gibson
2008-06-06  2:40         ` Segher Boessenkool
2008-06-06  3:37           ` David Gibson
2008-06-07  0:30             ` Segher Boessenkool
2008-06-06  4:07         ` Grant Likely
2008-06-06  4:29           ` Sean MacLennan
2008-06-05  2:54       ` Sean MacLennan
2008-06-05  3:05         ` Josh Boyer
2008-06-05  3:16           ` Sean MacLennan
2008-06-05  6:22             ` Stefan Roese
2008-06-05  7:48               ` Jean Delvare
2008-06-05  8:45                 ` Stefan Roese
2008-06-05 10:57                   ` David Gibson
2008-06-05 11:52                   ` Josh Boyer
2008-06-05 15:18                     ` Timur Tabi
2008-06-05 22:47                     ` David Gibson
2008-06-06  4:17                   ` Benjamin Herrenschmidt
2008-06-06  4:16                 ` Benjamin Herrenschmidt
2008-06-06  6:21                   ` Jean Delvare
2008-06-06  7:47                     ` Grant Likely
2008-06-06  8:45                     ` Benjamin Herrenschmidt
2008-06-05 15:17               ` Timur Tabi
2008-06-05 15:44                 ` Jochen Friedrich
2008-06-05 15:50                   ` Timur Tabi
2008-06-05 16:10                     ` Grant Likely
2008-06-05 16:18                       ` Timur Tabi
2008-06-05 16:22                         ` Jochen Friedrich
2008-06-05 16:30                           ` Grant Likely
2008-06-05 16:40                             ` Timur Tabi
2008-06-05 22:46                               ` David Gibson
2008-06-05 16:35                         ` Grant Likely
2008-06-05 23:59                     ` Josh Boyer
2008-06-07  0:24                       ` Segher Boessenkool
2008-06-05 21:37               ` Sean MacLennan
2008-06-05 23:48                 ` Josh Boyer
2008-06-05 15:13       ` Timur Tabi
2008-06-05 15:39         ` Grant Likely [this message]
2008-06-05 15:43           ` Timur Tabi
2008-06-05 15:52             ` Segher Boessenkool
2008-06-05 16:09               ` Timur Tabi
2008-06-05 16:27                 ` Scott Wood
2008-06-05 17:52                   ` Timur Tabi
2008-06-05 18:04                     ` Scott Wood
2008-06-05 16:00             ` Grant Likely
2008-06-05 16:13               ` Timur Tabi
2008-06-05 16:21                 ` Josh Boyer
2008-06-05 16:25                   ` Timur Tabi
2008-06-05 16:37                     ` Grant Likely
2008-06-05 18:27                     ` Josh Boyer
2008-06-05 18:35                       ` Timur Tabi
2008-06-05 18:40                         ` Josh Boyer
2008-06-05 18:46                       ` Grant Likely
2008-06-05 18:56                         ` Josh Boyer
2008-06-05 19:14                           ` Grant Likely
2008-06-05 19:15                             ` Josh Boyer
2008-06-05 19:16                             ` Timur Tabi
2008-06-05 21:31                               ` Segher Boessenkool
2008-06-05 22:56                               ` David Gibson
2008-06-06 13:09                                 ` Timur Tabi
2008-06-06 13:42                                   ` Stefan Roese
2008-06-05 22:45                             ` Sean MacLennan
2008-06-06  4:20             ` Benjamin Herrenschmidt
2008-06-25 21:46               ` Timur Tabi
2008-06-27 16:48                 ` Jochen Friedrich
2008-06-05 15:46           ` Segher Boessenkool
2008-06-05 15:52           ` Jochen Friedrich
2008-06-05 15:53             ` Grant Likely
2008-06-06  4:19         ` Benjamin Herrenschmidt
2008-06-06  4:14       ` Benjamin Herrenschmidt
2008-06-06  4:13     ` Benjamin Herrenschmidt

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=fa686aa40806050839h55d8e358m93248414507f10e2@mail.gmail.com \
    --to=grant.likely@secretlab.ca \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=scottwood@freescale.com \
    --cc=sr@denx.de \
    --cc=timur@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).