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

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Message-ID: <46b671fd-3929-4cf0-1e0d-5f6305464238@redhat.com>
Date:   Wed, 9 Feb 2022 18:04:54 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     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 2/9/22 17:41, Andy Shevchenko wrote:
> On Wed, Feb 09, 2022 at 05:25:03PM +0100, Geert Uytterhoeven wrote:
>> On Wed, Feb 9, 2022 at 5:07 PM Javier Martinez Canillas
>> <javierm@...hat.com> wrote:
> 
> ...
> 
>> Are they all broken?
> 
> I guess it's incorrect question. The one we need to ask is is OF code broken?
> B/c ACPI can easily cope with this (they are different buses, can't clash).
> 

Yes, it's a problem specific to OF. It works correctly with both ACPI
and legacy platform code.

Best regards,
-- 
Javier Martinez Canillas
Linux Engineering
Red Hat