I2C node in device tree breaks old-style drivers
Timur Tabi
timur at freescale.com
Wed Jul 30 23:00:05 EST 2008
On Wed, Jul 30, 2008 at 5:54 AM, Jochen Friedrich <jochen at scram.de> wrote:
> Hi Timur,
>
>> So my conclusion is that specifying an I2C node in the device tree *requires*
>> that the driver be new-style. Is there any way we can fix this? I'm not going
>> to have time to update the CS4270 driver to a new-style interface before the
>> 2.6.27 window closes.
>
> This conclusion is correct. One possible way to fix this is to add support for
> blacklisting to drivers/of/base.c (untested):
No need. I posted a patch to alsa-devel that makes the CS4270 a
new-style I2C driver. I'd hate to think that my driver is the only
I2C driver used on PowerPC systems that was outdated. :-)
--
Timur Tabi
Linux kernel developer at Freescale
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