Messages in this thread | | | Subject | Re: [PATCH] clk: mediatek: mt8195-infra_ao: Set pwrmcu clocks as critical | From | Stephen Boyd <> | Date | Wed, 31 Aug 2022 18:16:10 -0700 |
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Quoting AngeloGioacchino Del Regno (2022-07-19 02:33:16) > The pwrmcu is responsible for power management and idle states in SSPM: > on older SoCs this was managed in Linux drivers like sspm/mcupm/eemgpu > but, at least on MT8195, this functionality was transferred to the ATF > firmware. > For this reason, turning off the pwrmcu related clocks from the kernel > will lead to unability to resume the platform after suspend and other > currently unknown PM related side-effects. > > Set the PWRMCU and PWRMCU_BUS_H clocks as critical to prevent the > kernel from turning them off, fixing the aforementioned issue. > > Fixes: e2edf59dec0b ("clk: mediatek: Add MT8195 infrastructure clock support") > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > ---
Applied to clk-next
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