Re: [PATCH 02/11] arm64: dts: qcom: msm8939: Drop "qcom,idle-state-spc" compatible

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On 6/27/23 9:24 AM, Konrad Dybcio wrote:
> As of today, the only cool and legal way to get ARM64 SMP going is
> via PSCI (or spin tables). Sadly, not all chip and device vendors were
> considerate of this in the early days of arm64. Qualcomm, for example
> reused their tried-and-true spin-up method from MSM8974 and their Krait/
> arm32 Cortex designs.
> 
> MSM8916 supports SMP with its arm32 dt overlay, as probably could 8939.
> But the arm64 DT should not define non-PSCI SMP or CPUidle stuff.
> 
> Drop the qcom,idle-state-spc compatible (associated with Qualcomm-specific
> CPUIdle) to make the dt checker happy:
> 
> apq8039-t2.dtb: idle-states: cpu-sleep-0:compatible:
> ['qcom,idle-state-spc', 'arm,idle-state'] is too long
> 
> Fixes: 61550c6c156c ("arm64: dts: qcom: Add msm8939 SoC")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Reviewed-by: Benjamin Li <benl@xxxxxxxxxxxx>



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