[PATCH] of: add ranges address translation for default bus

Sebastian Hesselbarth sebastian.hesselbarth at gmail.com
Sun May 19 06:49:31 EDT 2013


On 05/19/2013 12:39 PM, Sascha Hauer wrote:
> On Sun, May 19, 2013 at 10:07:26AM +0200, Sebastian Hesselbarth wrote:
>> On 05/19/2013 09:34 AM, Sascha Hauer wrote:
>>> First of all you dropped 1:1 translation, see the attached fixup.
>>
>> I know I dropped it, but have you tried empty/bool properties?
>> I had no luck with an empty/bool ranges, so I removed the 1:1
>> translation by empty property and wanted to take a look at bool
>> props first.
>
> Probably because of_get_property doesn't seem to be 100% Linux
> compatible. Our version returns NULL for empty properties whereas
> the Linux version seems to return some valid pointer for zero length
> properties.

I knew there was something ;)

> I used of_find_property instead in my fixup, but maybe it's better
> to change the behaviour of of_get_property instead.

Yes. With the next mvebu consolidation patches, we get rid of any
board specific code for Armada 370/XP, Dove, and Kirkwood. On top
of that, I then start with replacing static timer and uart
registration with DT probed devices. That is when I need ranges
translation.

I can rework DT ranges and bool properties, send a patch set before
mvebu DT, and you drop this one.

But I will not start working on it before Thomas finds some time to
test/comment on the (not yet) published consolidation patches.

Sebastian



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