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Subject: Re: [Letux-kernel] [PATCH 2/2] DTS: ARM: gta04: introduce legacy spi-cs-high to make display work again
From:   "H. Nikolaus Schaller" <hns@goldelico.com>
In-Reply-To: <96E62EC2-2A3E-4722-A9DE-3F320B0A98B0@goldelico.com>
Date:   Fri, 20 Sep 2019 17:55:30 +0200
Cc:     Andreas Kemnade <andreas@kemnade.info>,
        Mark Rutland <mark.rutland@arm.com>,
        devicetree <devicetree@vger.kernel.org>,
        Rob Herring <robh@kernel.org>,
        Tony Lindgren <tony@atomide.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        stable <stable@vger.kernel.org>,
        linux-spi <linux-spi@vger.kernel.org>,
        Mark Brown <broonie@kernel.org>,
        =?utf-8?Q?Beno=C3=AEt_Cousson?= <bcousson@baylibre.com>,
        Linux-OMAP <linux-omap@vger.kernel.org>
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> Am 20.09.2019 um 17:50 schrieb H. Nikolaus Schaller =
<hns@goldelico.com>:
>=20
>=20
>> Am 20.09.2019 um 17:29 schrieb Andreas Kemnade =
<andreas@kemnade.info>:
>>=20
>> On Fri, 20 Sep 2019 16:54:18 +0200
>> "H. Nikolaus Schaller" <hns@goldelico.com> wrote:
>>=20
>>>> Am 20.09.2019 um 16:20 schrieb Tony Lindgren <tony@atomide.com>:
>>>>=20
>>>> * H. Nikolaus Schaller <hns@goldelico.com> [190920 09:19]: =20
>>>>>> Am 20.09.2019 um 10:55 schrieb Linus Walleij =
<linus.walleij@linaro.org>:
>>>>>> I suggest to go both way:
>>>>>> apply this oneliner and tag for stable so that GTA04 works
>>>>>> again.
>>>>>>=20
>>>>>> Then for the next kernel think about a possible more abitious
>>>>>> whitelist solution and after adding that remove *all* =
"spi-cs-high"
>>>>>> flags from all device trees in the kernel after fixing them
>>>>>> all up. =20
>>>>>=20
>>>>> Ok, that looks like a viable path. =20
>>>>=20
>>>> Please repost the oneline so people can ack easily. At least
>>>> I've already lost track of this thread. =20
>>>=20
>>> It is all here:
>>>=20
>>> https://patchwork.kernel.org/patch/11035253/
>>>=20
>> It is the full one (incl. documentation), not the oneline and does =
not
>> apply.
>=20
> Looks as if it was sitting too long in the queue and linux-next has =
changed
> the basis in the meantime, while v5.3 has not yet.
>=20
> Documentation/devicetree/bindings/spi/spi-bus.txt -> =
spi-controller.yaml
>=20
> So it should still apply for v5.3.1 and earlier and we need both =
versions.
> One for stable and one for linux-next. I don't know how to handle such =
cases.

Ok, here is a correction of this statement:

It applies fine to v5.2 and v5.3 already uses the spi-controller.yaml