linux-kernel - Re: [PATCH v2 01/13] gpio: Add Elba SoC gpio driver for spi cs control

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Message-ID: <CAK9rFnyu5ZutLGM+OFAANOfcrC5OSVjcaoy_rbq0m+WafDhqoA@mail.gmail.com>
Date:   Sun, 22 Aug 2021 18:22:39 -0700
From:   Brad Larson <brad@...sando.io>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     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 v2 01/13] gpio: Add Elba SoC gpio driver for spi cs control

Hi Andy,

On Mon, Mar 29, 2021 at 3:41 AM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
>
> On Mon, Mar 29, 2021 at 5:01 AM Brad Larson <brad@...sando.io> wrote:
> >
> > This GPIO driver is for the Pensando Elba SoC which
> > provides control of four chip selects on two SPI busses.
[...]
> > +MODULE_LICENSE("GPL v2");
> > +MODULE_DESCRIPTION("Pensando Elba SoC SPI chip-select driver");
>
> It's funny, you told it can't be a module and you add a dead code. Be
> somehow consistent, please.

Yes the code was not consistent with statement that the module cannot
being loadable in my reply.  I had not used builtin_platform_driver()
previously.  The updated patchset will be changed to this for the
driver.

-module_platform_driver(elba_spics_driver);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("Elba SPI chip-select driver");
+builtin_platform_driver(elba_spics_driver);

where drivers/gpio/Kconfig could be changed to this

--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -241,10 +241,8 @@ config GPIO_EIC_SPRD
          Say yes here to support Spreadtrum EIC device.

 config GPIO_ELBA_SPICS
-       bool "Pensando Elba SPI chip-select"
+       def_bool y
        depends on ARCH_PENSANDO_ELBA_SOC || COMPILE_TEST
-       help
-         Say yes here to support the Pensando Elba SoC SPI chip-select driver

Regards,
Brad