linux-kernel - Re: [PATCH 2/2] arm64: dts: rockchip: remove duplicate SPI aliases for helios64

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Date: Tue, 9 Jan 2024 20:14:38 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Heiko Stübner <heiko@...ech.de>,
 Quentin Schulz <foss+kernel@...il.net>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Quentin Schulz <quentin.schulz@...obroma-systems.com>
Subject: Re: [PATCH 2/2] arm64: dts: rockchip: remove duplicate SPI aliases
 for helios64

On 09/01/2024 16:23, Heiko Stübner wrote:
> Am Dienstag, 9. Januar 2024, 16:16:15 CET schrieb Krzysztof Kozlowski:
>> On 09/01/2024 14:35, Quentin Schulz wrote:
>>> From: Quentin Schulz <quentin.schulz@...obroma-systems.com>
>>>
>>> An earlier commit defined an alias for all SPI controllers found on the
>>> RK3399, so there's no need to duplicate the aliases in helios64's device
>>> tree.
>>
>> That's not what we want. Boards should define aliases for what is
>> available, according to the board labeling.
> 
> and the board labeling for spi2 has always been spi2-miso, spi2-miso etc.
> In the last 10 years of doing Rockchip stuff, I haven't seen any schematic
> doing it differently.

OK, this could be a case... but then you add aliases for things which
are not labeled on the board.

Let's bring Arnd again:
https://lore.kernel.org/linux-rockchip/CAK8P3a0ALgbhTVJ7t3XRXALs9vBM=XBvkGhNKXxB+QTepo-3AQ@mail.gmail.com/

Best regards,
Krzysztof