linux-kernel - Re: [PATCH] arm64: dts: exynos: gs101: add stable i2c aliases for gs101-oriole

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Date: Mon, 12 Feb 2024 13:07:54 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: André Draszik <andre.draszik@...aro.org>,
 peter.griffin@...aro.org, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc: linux-kernel@...r.kernel.org, kernel-team@...roid.com,
 tudor.ambarus@...aro.org, willmcvicker@...gle.com,
 semen.protsenko@...aro.org, alim.akhtar@...sung.com,
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
 devicetree@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: exynos: gs101: add stable i2c aliases for
 gs101-oriole

On 12/02/2024 12:52, André Draszik wrote:
> On Mon, 2024-02-12 at 12:40 +0100, Krzysztof Kozlowski wrote:
>> On 12/02/2024 12:30, André Draszik wrote:
>>> On Mon, 2024-02-12 at 12:18 +0100, Krzysztof Kozlowski wrote:
>>>> I can drop it, but the actual problem is that what if downstream keeps
>>>> changing aliases? They can do it...
>>>
>>> We won't care at that stage, downstream should have no reason to divert from
>>> upstream for numbering at some point in the future.
>>
>> What do you mean by "no reason"? The reason is they can do whatever they
>> want. Some project leader says: "I want this" and they will do it. They
>> won't care about our upstream choice at all.
>>
>> And then what, you change it again?
> 
> As I said above, we won't care if downstream changes again at that stage, so
> no, I wouldn't plan on changing again.

Then I am lost. What stage are you thinking? What differs between now
and let's say 1 month for the GS101 which was released more than three
years ago?

BTW, the aliases I see in downstream DTS (gs101-usi.dtsi) - since
beginning up to Android 14 are:

                hsi2c8 = &hsi2c_8;
                hsi2c9 = &hsi2c_9;
                hsi2c10 = &hsi2c_10;
                hsi2c11 = &hsi2c_11;
                hsi2c12 = &hsi2c_12;

They were set like this in 2020 and never changed afterwards.

Best regards,
Krzysztof