Re: [PATCH 1/3] arm64: dts: ti: iot2050: Flip mmc device ordering on Advanced devices

From: Jan Kiszka
Date: Tue Sep 07 2021 - 11:21:04 EST


On 07.09.21 17:13, Nishanth Menon wrote:
> On 16:22-20210907, Jan Kiszka wrote:
>> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>>
>> This ensures that the SD card will remain mmc0 across Basic and Advanced
>> devices, also avoiding surprises for users coming from the downstream
>> kernels.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>> ---
>> arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced.dts | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced.dts b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced.dts
>> index ec9617c13cdb..d1d5278e0b94 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced.dts
>> @@ -18,6 +18,11 @@ / {
>> compatible = "siemens,iot2050-advanced", "ti,am654";
>> model = "SIMATIC IOT2050 Advanced";
>>
>> + aliases {
>> + mmc0 = &sdhci1;
>> + mmc1 = &sdhci0;
>> + };
>
>
> Should we do this at SoC level?
>

Well, I wouldn't mind - but that would also impact your EVMs. For us,
this is fine as we are coming from that ordering above with our
downstream kernel/dts.

Jan

--
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux