[PATCH 1/5] i2c: gpio: Convert to use descriptors

Geert Uytterhoeven geert at linux-m68k.org
Mon Sep 11 04:27:59 PDT 2017

Hi Linus,

On Sun, Sep 10, 2017 at 11:44 PM, Linus Walleij
<linus.walleij at linaro.org> wrote:
> This converts the GPIO-based I2C-driver to using GPIO
> descriptors instead of the old global numberspace-based
> GPIO interface. We:
> - Convert the driver to unconditionally grab two GPIOs
>   from the device by index 0 (SDA) and 1 (SCL) which
>   will work fine with device tree and descriptor tables.
>   The existing device trees will continue to work just
>   like before, but without any roundtrip through the
>   global numberspace.

FYI, I recently posted a series to deprecate (at least for DT) this error
prone indexing, in favor of using named GPIOs:

    [PATCH/RFC 0/3] i2c: gpio: Add support for named gpios in DT



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-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

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