[PATCH] i2c: Fallback to of_node of parent

Florian Meier florian.meier at koalo.de
Sat Nov 16 08:59:15 PST 2013

I have looked through all bus drivers and in most
cases they have a corresponding line that could be removed.

Although, this patch would break i2c-powermac, because it
relies on the fact that of_node stays NULL.

Any idea how to handle that?


On 16.11.2013 17:11, Florian Meier wrote:
> Ok, I will try to find all relevant lines.
> Where is the best place to document this?
> Greetings,
> Florian
> 2013/11/16 Wolfram Sang <wsa at the-dreams.de>:
>>> +     if (!dev->of_node && dev->parent)
>>> +             dev->of_node = dev->parent->of_node;
>>> +
>> That is not enough. Current drivers could then have the assignment
>> removed and even more important, this behaviour should be documented.
>> Regards,
>>    Wolfram

More information about the linux-rpi-kernel mailing list