linux-kernel - Re: [PATCH v2 03/10] regulator: bd9571mwv: rid of using struct bd9571mwv

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Date:   Tue, 15 Dec 2020 17:13:05 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "Vaittinen, Matti" <Matti.Vaittinen@...rohmeurope.com>
Cc:     "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "marek.vasut+renesas@...il.com" <marek.vasut+renesas@...il.com>,
        "yoshihiro.shimoda.uh@...esas.com" <yoshihiro.shimoda.uh@...esas.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "bgolaszewski@...libre.com" <bgolaszewski@...libre.com>,
        "lee.jones@...aro.org" <lee.jones@...aro.org>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        linux-power <linux-power@...rohmeurope.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "khiem.nguyen.xt@...esas.com" <khiem.nguyen.xt@...esas.com>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 03/10] regulator: bd9571mwv: rid of using struct bd9571mwv

On Tue, Dec 15, 2020 at 5:02 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> On Fri, Dec 11, 2020 at 3:03 PM Vaittinen, Matti
> <Matti.Vaittinen@...rohmeurope.com> wrote:
> > On Fri, 2020-12-11 at 20:27 +0900, Yoshihiro Shimoda wrote:
> > > To simplify this driver, use dev_get_regmap() and
> > > rid of using struct bd9571mwv.
> > >
> > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
> > > ---
> > >  drivers/regulator/bd9571mwv-regulator.c | 49 +++++++++++++++++----
> > > ------------
> > >  1 file changed, 26 insertions(+), 23 deletions(-)
> > >
> > > diff --git a/drivers/regulator/bd9571mwv-regulator.c
> > > b/drivers/regulator/bd9571mwv-regulator.c
> > > index e690c2c..02120b0 100644
> > > --- a/drivers/regulator/bd9571mwv-regulator.c
> > > +++ b/drivers/regulator/bd9571mwv-regulator.c
> > > @@ -17,7 +17,7 @@
> > >  #include <linux/mfd/bd9571mwv.h>
> > >
> > >  struct bd9571mwv_reg {
> > > -     struct bd9571mwv *bd;
> > > +     struct regmap *regmap;
> >
> > As a 'nit':
> > I might consider adding the dev pointer here to avoid extra argument
> > with all the bkup_mode functions below. (just pass this struct and
> > mode). But that's only my preference - feel free to ignore this comment
> > if patch is Ok to Mark, Marek & Others :)
>
> Struct regmap already contains a struct device pointer, but that's internal
> to regmap.
>
> Perhaps adding a regmap_device() helper to retrieve the device pointer
> might be worthwhile?

-EEXISTS ;-)

struct device *regmap_get_device(struct regmap *map)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds