linux-kernel - Re: [PATCH 0/6] ARM: dts: add mmc aliases for Exynos devices

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Date:   Thu, 26 Jan 2023 14:28:43 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Henrik Grimler <henrik@...mler.se>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        alim.akhtar@...sung.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 0/6] ARM: dts: add mmc aliases for Exynos devices

On 26/01/2023 14:19, Henrik Grimler wrote:
> Hi Krzysztof,
> 
> On Thu, Jan 26, 2023 at 01:22:54PM +0100, Krzysztof Kozlowski wrote:
>> On 26/01/2023 11:38, Henrik Grimler wrote:
>>> It is convenient to have fixed mmcblk numbering of the eMMC and
>>> sdcard, and with these aliases all Exynos 4 and 5 devices (and
>>> probably Exynos 3, but I do not have one of those boards so cannot
>>> verify) will have the eMMC as mmc0 and sdcard as mmc2.
>>>
>>> I also removed sdhc aliases, as they should not be needed after [1] as
>>> I understand it.
>>>
>>> [1] https://lkml.kernel.org/lkml/20211124184603.3897245-1-john@metanate.com/
>>
>> Marek sent the same in the past:
>> https://lore.kernel.org/all/?q=%22exynos%3A+Use+fixed+index+for+the+MMC+devices%22
>>
>> The patches are fine for me except, that these actually do not belong to
>> DTSI. Aliases for board or user-exposable interfaces are actually board
>> specific and each board should customize the ones it uses.
> 
> Thanks for reviewing!  I will change the series to only add aliases to
> the boards I am familiar with.

I think you can move all of them to all of the boards. Add aliases for
interfaces which are enabled in the board.

Best regards,
Krzysztof