linux-kernel - Re: [PATCH v3 4/7] drm/solomon: Add SSD130X OLED displays I2C support

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Date:   Wed, 9 Feb 2022 13:21:07 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Javier Martinez Canillas <javierm@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Noralf Trønnes <noralf@...nnes.org>,
        Maxime Ripard <maxime@...no.tech>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Sam Ravnborg <sam@...nborg.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>
Subject: Re: [PATCH v3 4/7] drm/solomon: Add SSD130X OLED displays I2C support

Hi Javier,

On Wed, Feb 9, 2022 at 10:03 AM Javier Martinez Canillas
<javierm@...hat.com> wrote:
> The ssd130x driver only provides the core support for these devices but it
> does not have any bus transport logic. Add a driver to interface over I2C.
>
> Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>

Thanks for your patch!

> --- /dev/null
> +++ b/drivers/gpu/drm/solomon/ssd130x-i2c.c

> +static const struct of_device_id ssd130x_of_match[] = {
> +       {
> +               .compatible = "solomon,ssd1305fb-i2c",
> +               .data = (void *)&ssd130x_ssd1305_deviceinfo,

The casts are not needed.

> +       },
> +       {
> +               .compatible = "solomon,ssd1306fb-i2c",
> +               .data = (void *)&ssd130x_ssd1306_deviceinfo,
> +       },
> +       {
> +               .compatible = "solomon,ssd1307fb-i2c",
> +               .data = (void *)&ssd130x_ssd1307_deviceinfo,
> +       },
> +       {
> +               .compatible = "solomon,ssd1309fb-i2c",
> +               .data = (void *)&ssd130x_ssd1309_deviceinfo,
> +       },
> +       { /* sentinel */ },
> +};
> +MODULE_DEVICE_TABLE(of, ssd130x_of_match);

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