| Message ID | 20230912071205.11502-2-david@ixit.cz (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [v2,1/2] arm64: dts: qcom: sdm845: Fix PSCI power domain names | expand |
Quoting David Heidelberg (2023-09-12 00:12:04) > Cheza firmware doesn't allow controlling LMh from the operating system. > > Fixes: 36c6581214c4 ("arm64: dts: qcom: sdm845: Add support for LMh node") > Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > Signed-off-by: David Heidelberg <david@ixit.cz> > --- Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Hi, On Tue, Sep 12, 2023 at 12:14 AM David Heidelberg <david@ixit.cz> wrote: > > Cheza firmware doesn't allow controlling LMh from the operating system. > > Fixes: 36c6581214c4 ("arm64: dts: qcom: sdm845: Add support for LMh node") > Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > Signed-off-by: David Heidelberg <david@ixit.cz> > --- > v2: > - moved power-domains removal from this patch to previous one, since > it's not related to LMh support > arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 12 ++++++++++++ > 1 file changed, 12 insertions(+) I haven't used a cheza in years, but this seems reasonable to me. Reviewed-by: Douglas Anderson <dianders@chromium.org>
diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi index e0ee91225eec..e51bf02fbfe3 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi @@ -143,6 +143,10 @@ panel_in_edp: endpoint { }; }; +&cpufreq_hw { + /delete-property/ interrupts-extended; /* reference to lmh_cluster[01] */ +}; + &psci { /delete-node/ power-domain-cpu0; /delete-node/ power-domain-cpu1; @@ -275,6 +279,14 @@ &BIG_CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; +&lmh_cluster0 { + status = "disabled"; +}; + +&lmh_cluster1 { + status = "disabled"; +}; + /* * Reserved memory changes *
Cheza firmware doesn't allow controlling LMh from the operating system. Fixes: 36c6581214c4 ("arm64: dts: qcom: sdm845: Add support for LMh node") Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: David Heidelberg <david@ixit.cz> --- v2: - moved power-domains removal from this patch to previous one, since it's not related to LMh support arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+)