Hi Stephen, again
> > I've seen bindings that have the 'clocks' property at the top
> > level and the appropriate 'clock-names' property to relate the
> > clocks to a subnode.
> >
> > sound_soc {
> > clocks = <&xxx>, <&xxx>;
> > clock-names = "cpu", "codec";
> > ...
> > cpu {
> > ...
> > };
> > codec {
> > ...
> > };
> > };
> >
> > Then the subnodes call clk_get() with the top level device and
> > the name of their node and things match up. I suppose this
> > binding is finalized though, so we can't really do that?
> >
> > I see that the gpio framework has a similar design called
> > devm_get_gpiod_from_child(), so how about we add a
> > devm_get_clk_from_child() API? That would more closely match the
> > intent here, which is to restrict the clk_get() operation to
> > child nodes of the device passed as the first argument.
> >
> > struct clk *devm_get_clk_from_child(struct device *dev,
> > const char *con_id,
> > struct device_node *child);
Thanks, but, my point is that Linux already have "of_clk_get()",
but we don't have its devm_ version.
The point is that of_clk_get() can get clock from "device_node".
Why having devm_ version become so problem ?
Best regards
---
Kuninori Morimoto
