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

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Date:   Wed, 16 Dec 2020 02:13:52 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        "Vaittinen, Matti" <Matti.Vaittinen@...rohmeurope.com>
CC:     "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "marek.vasut+renesas@...il.com" <marek.vasut+renesas@...il.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 <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

Hi Geert-san, Matti-san,

> From: Geert Uytterhoeven, Sent: Wednesday, December 16, 2020 1:13 AM
> 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:
<snip>
> > > > --- 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)

Thank you for finding this. I'll fix this patch.

Best regards,
Yoshihiro Shimoda