Messages in this thread | | | Date | Wed, 16 Feb 2022 00:49:50 +0300 | Subject | Re: [PATCH v2] PM: domains: Prevent power off for parent unless child is in deepest state | From | Dmitry Osipenko <> |
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04.02.2022 13:16, Ulf Hansson пишет: > A PM domain managed by genpd may support multiple idlestates. During > genpd_power_off() a genpd governor may be asked to select one of the > idlestates based upon the dev PM QoS constraints, for example. > > However, there is a problem with the behaviour around this in genpd. More > precisely, a parent-domain is allowed to be powered off, no matter of what > idlestate that has been selected for the child-domain. > > So far, we have not received any reports about errors from the current > behaviour. However, there is an STMicro platform that is being worked on, > which can't cope with this.
Could you please provide some technical info about why STMicro platform can't cope with that?
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