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Date:   Thu, 23 Feb 2017 18:43:53 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Eva Rachel Retuya <eraretuya@...il.com>
Cc:     Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald <pmeerw@...erw.net>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Michael Hennerich <michael.hennerich@...log.com>,
        Daniel Baluta <daniel.baluta@...il.com>,
        Alison Schofield <amsfield22@...il.com>,
        Florian Vaussard <florian.vaussard@...g-vd.ch>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 4/4] iio: accel: adxl345: Add SPI support

On Wed, Feb 22, 2017 at 12:23 PM, Eva Rachel Retuya <eraretuya@...il.com> wrote:
> Add SPI driver that initializes SPI regmap for the adxl345 core driver.
> The driver supports the same functionality as I2C namely the x, y, z and
> scale readings.

> --- a/drivers/iio/accel/Kconfig
> +++ b/drivers/iio/accel/Kconfig
> @@ -8,20 +8,26 @@ menu "Accelerometers"
>  config ADXL345
>         tristate "Analog Devices ADXL345 3-Axis Digital Accelerometer Driver"
>         depends on !(INPUT_ADXL34X=y || INPUT_ADXL34X=m)
> +       depends on (I2C || SPI)
>         select REGMAP
>         select ADXL345_I2C if I2C
> +       select ADXL345_SPI if SPI
>         help
>           Say Y here if you want to build support for the Analog Devices
>           ADXL345 3-axis digital accelerometer.
>
>           To compile this driver as a module, choose M here: the core
>           module will be called adxl345_core and you will also get
> -         adxl345_i2c for I2C.
> +         adxl345_i2c for I2C and/or adxl345_spi for SPI.
>
>  config ADXL345_I2C
>         tristate
>         select REGMAP_I2C
>
> +config ADXL345_SPI
> +       tristate
> +       select REGMAP_SPI

Hmm...
I saw another pattern

Library / core part is non-visible to user, while
SPI and I2C parts are selectable by user.

Why do you use inverted pattern? What did I miss?

-- 
With Best Regards,
Andy Shevchenko

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