Re: [RESEND PATCH v2 3/3] ARM: dts: imx28-cfa10036: Fix the reset gpio signal polarity

Bartlomiej Zolnierkiewicz
2018-10-09T07:51:50Z

On 10/09/2018 02:20 AM, Shawn Guo wrote:
> On Mon, Oct 08, 2018 at 11:45:36AM +0000, Vokáč Michal wrote:
>> On 27.9.2018 11:24, Michal Vokáč wrote:
>>> The reset signal of the SSD1306 OLED display is actually active-low.
>>> Adapt the DT to reflect the real world.
>>>
>>> Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
>>> ---
>>> v2 changes: New patch in the series
>>
>> Bartlomiej just queued the first two patches for v4.20.
>> Will somebody take this one? Otherwise this SoM will end up with
>> broken OLED display reset.
>
> Well, it means the change breaks the ABI between kernel and device tree,
> e.g. the new kernel will not work with existing/installed DTBs.

Should I revert this sdd10307fb patch then?

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics