drivers: cpuidle: lpm-levels: Notify sched of low power modes



Call into scheduler APIs when a CPU enters/exits a low power modes to
prevent scheduler from waking up a sleeping CPU

Change-Id: I54af417647c956411125040d0223d0e9293df578
Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>

parent d2ae07b1

drivers/cpuidle/lpm-levels.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1346,6 +1346,8 @@ static int lpm_cpuidle_enter(struct cpuidle_device *dev,
		struct power_params *pwr_params;

		pwr_params = &cpu->levels[idx].pwr;
		sched_set_cpu_cstate(dev->cpu, idx + 1,
		pwr_params->energy_overhead, pwr_params->latency_us);

		cpu_prepare(cpu, idx, true);
		cluster_prepare(cpu->parent, cpumask, idx, true, start_time);