linux-kernel - Re: [PATCH 1/8] gpio: Add Elba SoC gpio driver for spi cs control

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Message-ID: <CAMuHMdUCESsnrbsh981OeNfnuiGn7w49wbUctxc_FnsZyP8GZA@mail.gmail.com>
Date:   Mon, 4 Oct 2021 19:16:03 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Brad Larson <brad@...sando.io>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Mark Brown <broonie@...nel.org>,
        Serge Semin <fancer.lancer@...il.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Olof Johansson <olof@...om.net>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/8] gpio: Add Elba SoC gpio driver for spi cs control

Hi Brad,

On Mon, Oct 4, 2021 at 7:14 PM Brad Larson <brad@...sando.io> wrote:
> On Mon, Aug 23, 2021 at 1:11 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > On Mon, Aug 23, 2021 at 6:31 PM Brad Larson <brad@...sando.io> wrote:
> > > On Mon, Aug 23, 2021 at 12:50 AM Geert Uytterhoeven
> > > <geert@...ux-m68k.org> wrote:
> > > > On Mon, Aug 23, 2021 at 3:14 AM Brad Larson <brad@...sando.io> wrote:
> > > > > On Mon, Mar 29, 2021 at 3:40 AM Andy Shevchenko
> > > [...]
> > > > > Regarding the above module question and Kconfig definition, since I
> > > > > first looked at this and reviewed the comments I realized I should be
> > > > > using builtin.  The file gpio/Kconfig is currently this
> > > > >
> > > > > config GPIO_ELBA_SPICS
> > > > >         def_bool y
> > > > >         depends on ARCH_PENSANDO_ELBA_SOC || COMPILE_TEST
> > > >
> > > > That means the driver will default to yes by merely enabling
> > > > COMPILE_TEST, which is a no-go.
> > > >
> > > >     config GPIO_ELBA_SPICS
> > > >             bool "one-line summary"
> > > >             depends on ARCH_PENSANDO_ELBA_SOC || COMPILE_TEST
> > > >             default y if ARCH_PENSANDO_ELBA_SOC
> > >
> > > Thanks Geert, changed to this
> > >
> > > --- a/drivers/gpio/Kconfig
> > > +++ b/drivers/gpio/Kconfig
> > > @@ -241,8 +241,9 @@ config GPIO_EIC_SPRD
> > >           Say yes here to support Spreadtrum EIC device.
> > >
> > >  config GPIO_ELBA_SPICS
> > > +       bool "Pensando Elba SoC SPI Chip Select as GPIO support"
> > > +       depends on ARCH_PENSANDO_ELBA_SOC
> > >         def_bool y
> > > -       depends on ARCH_PENSANDO_ELBA_SOC || COMPILE_TEST
> >
> > So we're losing the COMPILE_TEST ability again?
> >
>
> Hi Geert,
>
> The gpio-elba-spics.c driver is being deleted with the spi chip-select
> control integrated into spi-dw-mmio.c.  The GPIO_ELBA_SPICS config
> option goes away and fixes my breakage of COMPILE_TEST.

OK. Thanks for the follow-up.

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