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

From: Nishanth Menon
Date: Tue Sep 07 2021 - 11:27:57 EST


On 17:20-20210907, Jan Kiszka wrote:
> 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.
>

I think it'd probably be a welcome change. overall we've standardized on
partuuid.

--
Regards,
Nishanth Menon
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