Subject: [PATCH] of: address: Don't fail a lookup just because a node has no reg property

From: [email-masked] (Lee Jones)
Date: Thu, 05 Jul 2012 16:17:24 +0100

On 05/07/12 15:57, Rob Herring wrote:
> On 07/05/2012 09:32 AM, Lee Jones wrote:
>> Sometimes it doesn't make any sense for a node to have an address.
>> In this case device lookup will always be unsuccessful because we
>> currently assume every node will have a reg property. This patch
>> changes the semantics so that the resource address and the lookup
>> address will only be compared if one exists.
>>
>> Things like AUXDATA() rely on of_dev_lookup to return the lookup
>> entry of a particular device in order to do things like apply
>> platform_data to a device. However, this is currently broken for
>> nodes which do not have a reg property, meaning that platform_data
>> can not be passed in those cases.
>>
>> Acked-by: Arnd Bergmann <[email-masked]>
>> Signed-off-by: Lee Jones <[email-masked]>
>> ---
>
> Acked-by: Rob Herring <[email-masked]>
>
> Do you have something dependent on this or want me to apply?

I have things that require this patch yes. Please apply.

Thanks Rob.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
M: +44 77 88 633 515
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