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SubjectRe: [PATCH v3 3/3] of: base: add of_parse_phandle_with_optional_args()
On Tue, 18 Jan 2022 18:35:04 +0100, Michael Walle wrote:
> Add a new variant of the of_parse_phandle_with_args() which treats the
> cells name as optional. If it's missing, it is assumed that the phandle
> has no arguments.
>
> Up until now, a nvmem node didn't have any arguments, so all the device
> trees haven't any '#*-cells' property. But there is a need for an
> additional argument for the phandle, for which we need a '#*-cells'
> property. Therefore, we need to support nvmem nodes with and without
> this property.
>
> Signed-off-by: Michael Walle <michael@walle.cc>
> ---
> changes since v2:
> - make index signed
> - add missing function parameter doc
>
> changes since v1:
> - new patch
>
> include/linux/of.h | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>

Reviewed-by: Rob Herring <robh@kernel.org>

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