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@xxxxxxxx> > --- > 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@xxxxxxxxxx>