Re: [RESEND PATCH v6 1/4] mfd: syscon: Add fwnode_to_regmap

From: Arnd Bergmann
Date: Tue Apr 28 2020 - 06:29:27 EST


On Tue, Apr 28, 2020 at 12:05 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> On Tue, 21 Apr 2020, Dilip Kota wrote:
> >
> > But, i feel return error for ACPI or oother, looks better because
> > 'device_node' has fwnode pointer. And provide description
> > in the header file, mentioning function is success for 'OF' and returns
> > error for the rest.
>
> I don't think this patch adds much to be honest.
>
> Better to just do:
>
> device_node_get_regmap(to_of_node(fwnode), false);
>
> ... from the call site I think.

Agreed, or just use the of_node pointer consistently in the driver that uses
it and avoid the use of the fwnode interface entirely when dealing with a
modern driver that does not need to support board files any more.

Arnd