[PATCH v3 08/10] of/address: Handle #address-cells > 2 specially

Rob Herring robherring2 at gmail.com
Sat Sep 8 02:32:50 EST 2012


On 09/07/2012 11:24 AM, Stephen Warren wrote:
> On 08/15/2012 02:06 PM, Thierry Reding wrote:
>> On Tue, Jul 31, 2012 at 03:18:43PM -0500, Rob Herring wrote:
>>> On 07/26/2012 02:55 PM, Thierry Reding wrote:
>>>> When a bus specifies #address-cells > 2, of_bus_default_map()
>>>> now assumes that the mapping isn't for a physical address but
>>>> rather an identifier that needs to match exactly.
>>>>
>>>> This is required by bindings that use multiple cells to
>>>> translate a resource to the parent bus (device index, type,
>>>> ...).
>>>>
>>>> See here for the discussion:
>>>>
>>>> https://lists.ozlabs.org/pipermail/devicetree-discuss/2012-June/016577.html
>>>>
>>>>
>>>>
> Originally-by: Arnd Bergmann <arnd at arndb.de>
>>>> Signed-off-by: Thierry Reding
>>>> <thierry.reding at avionic-design.de>
>>>
>>> Acked-by: Rob Herring <rob.herring at calxeda.com>
>>
>> Hi Rob,
>>
>> Were you going to take this through your DT tree? I'm trying to
>> reduce the number of patches in this series to make it more
>> manageable and split it into smaller chunks. There are also a
>> couple of issues that need to be resolved so I don't know if I can
>> get the whole series into shape for 3.7.
>>
>> However if you don't think this patch is useful to be applied by
>> itself I can also carry it until the complete series is ready.
> 
> Rob,
> 
> Are you able to take this patch now for 3.7, or should it be held off
> until the Tegra PCIe driver is re-written and requires this
> functionality (in which case I'd expect to take this through the Tegra
> tree at that time).
> 
> For reference, it's at http://patchwork.ozlabs.org/patch/173497/.

Applied for 3.7.

Rob



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