Re: [Xen-devel] [PATCH v4 16/17] FDT: Add a helper to get specified name subnode

[Rob Herring <robh@xxxxxxxxxx>]

On Tue, Feb 23, 2016 at 5:13 AM, Shannon Zhao <zhaoshenglong@xxxxxxxxxx> wrote:
>
>
> On 2016/2/9 13:04, Rob Herring wrote:
>> On Thu, Feb 4, 2016 at 9:05 PM, Shannon Zhao <zhaoshenglong@xxxxxxxxxx> 
>> wrote:
>>> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>>>
>>> Sometimes it needs to check if there is a node in FDT by full path.
>>
>> I'm confused. Are you searching by full path or...
>>
>>> Introduce this helper to get the specified name subnode if it exists.
>>
>> name of sub node?
>>
> get the offset of sub node by specified name.
>
>> Either way, fdt_subnode_offset or fdt_path_offset doesn't work?
>>
> Ahïrightïboth of them should work. Does it need to add a wrapper in
> drivers/of/fdt.c for them or directly use them with the parameter
> initial_boot_params?

Add a wrapper in fdt.c.

Rob

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