linux-kernel - Re: [PATCH v3 5/7] (WIP) drm/solomon: Add SSD130X OLED displays SPI support

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Date:   Wed, 9 Feb 2022 18:40:23 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Javier Martinez Canillas <javierm@...hat.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Maxime Ripard <maxime@...no.tech>,
        Noralf Trønnes <noralf@...nnes.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>
Subject: Re: [PATCH v3 5/7] (WIP) drm/solomon: Add SSD130X OLED displays SPI
 support

On Wed, Feb 09, 2022 at 05:07:03PM +0100, Javier Martinez Canillas wrote:
> On 2/9/22 16:17, Andy Shevchenko wrote:
> > On Wed, Feb 09, 2022 at 01:25:46PM +0100, Geert Uytterhoeven wrote:
> >> On Wed, Feb 9, 2022 at 10:12 AM Javier Martinez Canillas
> >> <javierm@...hat.com> wrote:
> > 
> > ...
> > 
> >>> +               .compatible = "solomon,ssd1305fb-spi",
> >>
> >> This needs an update to the DT bindings.
> >> Hence this may be a good time to deprecate the existing
> >> "solomon,ssd130*fb-i2c" compatible values, and switch to
> >> "solomon,ssd130*fb" instead, for both I2C and SPI.
> > 
> > Agree!
> > 
> 
> Did you see my comment about automatic module loading ? I think
> that would be an issue if we use the same compatible for both
> I2C and SPI drivers.

Bug in OF code? This is not a problem in ACPI AFAICT.

-- 
With Best Regards,
Andy Shevchenko