From: Timur Tabi <timur@freescale.com>
To: avorontsov@ru.mvista.com
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 4/4] [POWERPC] fsl_spi_init and users: stop using device_type = "spi"
Date: Wed, 19 Dec 2007 15:15:25 -0600 [thread overview]
Message-ID: <476989ED.50603@freescale.com> (raw)
In-Reply-To: <20071219211250.GA21416@localhost.localdomain>
Anton Vorontsov wrote:
> I though about it. Is your device tree source out of tree? Otherwise
> it should be trivial to upgrade the dtb, instead of producing cruft in
> the kernel. I vote for less legacy code, but lets see what others will
> say. So far count is 1:1. ;-)
I just want a transition period. Whenever I write code that works with changes
in the device tree, I always maintain compatibility with the older versions, and
I was under the impression that this is policy. If you update the device tree,
you should update the kernel. The converse, however, should not be true.
It would be really annoying if you had to swap out your device tree if you want
to work with different kernel versions.
Maybe if the device tree compiler were part of the kernel, and every time you
built the kernel it also built the dtb, I could accept locking the device tree
and kernel versions.
--
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2007-12-19 21:15 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-19 20:34 [PATCH 0/4] device_type/compatible cleanups Anton Vorontsov
2007-12-19 20:34 ` Scott Wood
2007-12-19 20:48 ` Anton Vorontsov
2007-12-19 21:07 ` Scott Wood
2007-12-19 20:37 ` [PATCH 1/4] [POWERPC] qe_lib and users: get rid of device_type and model Anton Vorontsov
2007-12-19 20:37 ` [PATCH 2/4] [POWERPC][NET] ucc_geth_mii and users: get rid of device_type Anton Vorontsov
2007-12-19 20:38 ` [PATCH 3/4] [POWERPC][SPI] use brg-frequency for SPI in QE Anton Vorontsov
2007-12-19 20:58 ` Scott Wood
2007-12-19 23:27 ` Stephen Rothwell
2007-12-19 20:38 ` [PATCH 4/4] [POWERPC] fsl_spi_init and users: stop using device_type = "spi" Anton Vorontsov
2007-12-19 20:54 ` Kumar Gala
2007-12-19 21:02 ` Anton Vorontsov
2007-12-19 21:04 ` Timur Tabi
2007-12-19 21:12 ` Anton Vorontsov
2007-12-19 21:15 ` Timur Tabi [this message]
2007-12-19 21:38 ` Grant Likely
2007-12-19 23:50 ` Olof Johansson
-- strict thread matches above, loose matches on Subject: below --
2007-12-21 20:18 [PATCH v3 0/4] device_type/compatible cleanups Anton Vorontsov
2007-12-21 20:21 ` [PATCH 4/4] [POWERPC] fsl_spi_init and users: stop using device_type = "spi" Anton Vorontsov
2008-01-08 14:26 [PATCH v4 0/4] device_type/compatible cleanups Anton Vorontsov
2008-01-08 14:30 ` [PATCH 4/4] [POWERPC] fsl_spi_init and users: stop using device_type = "spi" Anton Vorontsov
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