Messages in this thread | | | Date | Wed, 2 Oct 2019 11:27:34 +0200 | From | Niklas Cassel <> | Subject | Re: [PATCH v2 7/9] arm64: dts: qcom: msm8998: Add PSCI cpuidle low power states |
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On Wed, Oct 02, 2019 at 11:19:50AM +0200, Niklas Cassel wrote: > On Mon, Sep 30, 2019 at 04:20:15PM -0600, Jeffrey Hugo wrote: > > Amit, the merged version of the below change causes a boot failure > > (nasty hang, sometimes with RCU stalls) on the msm8998 laptops. Oddly > > enough, it seems to be resolved if I remove the cpu-idle-states > > property from one of the cpu nodes. > > > > I see no issues with the msm8998 MTP. > > Hello Jeffrey, Amit, > > If the PSCI idle states work properly on the msm8998 devboard (MTP), > but causes crashes on msm8998 laptops, the only logical change is > that the PSCI firmware is different between the two devices.
Since the msm8998 laptops boot using ACPI, perhaps these laptops doesn't support PSCI/have any PSCI firmware at all.
Kind regards, Niklas
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