Re: [PATCH] software node: fix wrong node passed to find nargs_prop

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Hi Sakari

On 21/12/2021 09:45, Sakari Ailus wrote:
> Hi Greg, Andy,
> 
> On Tue, Dec 21, 2021 at 10:34:11AM +0100, Greg Kroah-Hartman wrote:
>> On Mon, Dec 20, 2021 at 11:37:07PM +0000, Daniel Scally wrote:
>>> Thanks Andy
>>>
>>> On 20/12/2021 22:13, Andy Shevchenko wrote:
>>>> + Sakari, Dan
>>>>
>>>> On Monday, December 20, 2021, Clément Léger <clement.leger@xxxxxxxxxxx
>>>> <mailto:clement.leger@xxxxxxxxxxx>> wrote:
>>>>
>>>>     nargs_prop refers to a property located in the reference that is found
>>>>     within the nargs property.
>>>
>>> I think this is right (it's not used in the ACPI version, and the OF
>>> version is quite convoluted so a bit hard to follow)...but also I note
>>> that none of the users of fwnode_property_get_reference_args() pass
>>> anything to nargs_prop anyway...do we even need this?
>>
>> Looks like it is unused, please just remove it.
> 
> If you remove nargs_prop argument, then callers will have to use OF
> property API instead to parse references with property-defined number of
> arguments. The goal has been to cover all functionality in a
> firmware-independent way.

My mistake, I missed that of_parse_phandle_with_args() has a ton of
direct users. I guess we should try to replace those with
fwnode_property_get_reference_args() where appropriate.



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