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authorUlf Hansson <[email protected]>2019-03-27 15:35:46 +0100
committerRafael J. Wysocki <[email protected]>2019-04-10 00:32:34 +0200
commiteb594b7325f61835555140922a4cb715264a325c (patch)
tree4dabc8d09d647ceaf08d084137f586b1d2140a72 /scripts/gdb/linux
parent49a27e279052cf71ba931a26b00194ff46510480 (diff)
PM / Domains: Add support for CPU devices to genpd
To enable a CPU device to be attached to a PM domain managed by genpd, make a few changes to it for convenience. To be able to quickly find out what CPUs are attached to a genpd, which typically becomes useful from a genpd governor as subsequent changes are about to show, add a cpumask to struct generic_pm_domain to be updated when a CPU device gets attached to the genpd containing that cpumask. Also, propagate the cpumask changes upwards in the domain hierarchy to the master PM domains. This way, the cpumask for a genpd hierarchically reflects all CPUs attached to the topology below it. Finally, make this an opt-in feature, to avoid having to manage CPUs and the cpumask for a genpd that don't need it. To that end, add a new genpd configuration bit, GENPD_FLAG_CPU_DOMAIN. Co-developed-by: Lina Iyer <[email protected]> Acked-by: Daniel Lezcano <[email protected]> Signed-off-by: Ulf Hansson <[email protected]> [ rjw: Changelog ] Signed-off-by: Rafael J. Wysocki <[email protected]>
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