From: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>
Cc: linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org,
i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
Subject: Re: [PATCH 3/3] Add device tree compatible aliases to i2c drivers
Date: Thu, 24 Jan 2008 18:33:17 -0600 [thread overview]
Message-ID: <47992E4D.7010500@freescale.com> (raw)
In-Reply-To: <20080125003249.GA30794-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>
Olof Johansson wrote:
> For example, for an eeprom I might have: "MCHP,24lc128est",
> "MCHP,24xx128", "24c128". The at24 driver (not in mainline yet :) would
> likely match with "24c128", and it would normally not make sense to have
> to list all specific vendors and models of the device type in question
> in the driver.
It's not really about the vendors of the device, but the namespace it
goes into. If there's really no canonical vendor name, then a plain old
"24c148" might make sense, but that seems like it'd be fairly rare.
> I can't register a board_info for each of the compatible fields without
> changing the way the i2c drivers are registered, since the creation of
> the duplicate entries will start reporting errors.
Even with the current i2c changes that have been flying around the
lists? If so, it should be fixed...
> So it seems that the solution would be to make i2c_board_info take a
> list of names for the device, and each of them has to be matched with
> all drivers, taking the first match.
Agreed.
-Scott
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next prev parent reply other threads:[~2008-01-25 0:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-23 2:09 [PATCH 1/3] Rename i2c-mpc to i2c-mpc-drv in preparation for breaking out common code Jon Smirl
2008-01-23 2:09 ` [PATCH 2/3] Convert PowerPC MPC i2c to of_platform_driver from platform_driver Jon Smirl
2008-01-23 3:11 ` Stephen Rothwell
2008-01-23 4:18 ` Jon Smirl
2008-01-23 14:31 ` Jon Loeliger
[not found] ` <E1JHgdB-0002zV-F4-CYoMK+44s/E@public.gmane.org>
2008-01-23 14:40 ` Jon Smirl
[not found] ` <20080123020912.31675.48787.stgit-+J+k29bDNxlBDLzU/O5InQ@public.gmane.org>
2008-01-23 2:09 ` [PATCH 3/3] Add device tree compatible aliases to i2c drivers Jon Smirl
2008-01-23 20:18 ` Matt Sealey
2008-01-23 20:30 ` Jon Smirl
2008-02-01 7:32 ` David Gibson
2008-01-25 0:32 ` [i2c] " Olof Johansson
[not found] ` <20080125003249.GA30794-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>
2008-01-25 0:33 ` Scott Wood [this message]
2008-01-25 0:48 ` Jon Smirl
2008-01-25 0:38 ` Jon Smirl
2008-01-23 2:46 ` [PATCH 1/3] Rename i2c-mpc to i2c-mpc-drv in preparation for breaking out common code Stephen Rothwell
[not found] ` <20080123134654.cb5e249d.sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>
2008-01-23 2:50 ` Jon Smirl
2008-01-23 3:02 ` Grant Likely
2008-01-23 3:09 ` Jon Smirl
-- strict thread matches above, loose matches on Subject: below --
2008-01-28 14:42 [PATCH 0/3] Implement device tree based i2c module loading on mpc5200 powerpc Jon Smirl
[not found] ` <20080128144202.8410.14647.stgit-+J+k29bDNxlBDLzU/O5InQ@public.gmane.org>
2008-01-28 14:42 ` [PATCH 3/3] Add device tree compatible aliases to i2c drivers Jon Smirl
[not found] ` <20080128144209.8410.37884.stgit-+J+k29bDNxlBDLzU/O5InQ@public.gmane.org>
2008-01-28 17:10 ` Jon Loeliger
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