Re: [PATCH] pinctrl: renesas: rzn1: Use for_each_child_of_node_scoped()

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On Thu, May 30, 2024 at 2:52 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> On Thu, May 30, 2024 at 11:26 AM Andy Shevchenko
> <andy.shevchenko@xxxxxxxxx> wrote:
> > Thu, May 30, 2024 at 11:19:29AM +0200, Geert Uytterhoeven kirjoitti:
> > > Use the scoped variant of for_each_child_of_node() to simplify the code.
> >
> > I do not see the point of this patch. This makes code actually more
> > complicated, and I'm not sure the code generation is the same and not worse.
>
> On arm32, a conversion to for_each_child_of_node_scoped() seems to
> cost ca. 48 bytes of additional code.
>
> BTW, the same is true for cases where the conversion does simplify
> cleanup.
>
> I checked "pinctrl: renesas: Use scope based of_node_put() cleanups",
> and all but the conversions in *_dt_node_to_map() cost 48 bytes each.

Yeah. so for the cases where there are no returns from inside the loop
I prefer not to use _scoped.

P.S. Thank you for checking, btw!

-- 
With Best Regards,
Andy Shevchenko





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