cpuidle, dt: Push RCU-idle into driver
Doing RCU-idle outside the driver, only to then temporarily enable it again before going idle is suboptimal. Notably: this converts all dt_init_idle_driver() and __CPU_PM_CPU_IDLE_ENTER() users for they are inextrably intertwined. Signed-off-by:Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by:
Ingo Molnar <mingo@kernel.org> Tested-by:
Tony Lindgren <tony@atomide.com> Tested-by:
Ulf Hansson <ulf.hansson@linaro.org> Acked-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by:
Frederic Weisbecker <frederic@kernel.org> Link: https://lore.kernel.org/r/20230112195540.068981667@infradead.org
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