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Date:   Wed, 16 Dec 2020 06:00:10 +0000
From:   "Vaittinen, Matti" <Matti.Vaittinen@...rohmeurope.com>
To:     "yoshihiro.shimoda.uh@...esas.com" <yoshihiro.shimoda.uh@...esas.com>,
        "geert@...ux-m68k.org" <geert@...ux-m68k.org>
CC:     "khiem.nguyen.xt@...esas.com" <khiem.nguyen.xt@...esas.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "lee.jones@...aro.org" <lee.jones@...aro.org>,
        linux-power <linux-power@...rohmeurope.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "bgolaszewski@...libre.com" <bgolaszewski@...libre.com>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "marek.vasut+renesas@...il.com" <marek.vasut+renesas@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 03/10] regulator: bd9571mwv: rid of using struct
 bd9571mwv


On Wed, 2020-12-16 at 02:13 +0000, Yoshihiro Shimoda wrote:
> 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.

Just a small reminder that this device is probably the MFD device, not
the device created for regulator driver. (Regmap is created for MFD).
For prints this only means we're issuing prints as if MFD device
generated them, right? I'm not sure it is the best approach - but I'll
leave this to Mark & others to judge :)

> 
> Best regards,
> Yoshihiro Shimoda
> 

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