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ARM: psci: cpuidle: Enable PSCI CPUidle driver

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Allow selection of the PSCI CPUidle in the kernel by updating
the respective Kconfig entry.

Remove PSCI callbacks from ARM/ARM64 generic CPU ops
to prevent the PSCI idle driver from clashing with the generic
ARM CPUidle driver initialization, that relies on CPU ops
to initialize and enter idle states.

Signed-off-by: Lorenzo Pieralisi <[email protected]>
Reviewed-by: Ulf Hansson <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Ulf Hansson <[email protected]>
Cc: Sudeep Holla <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
This commit is contained in:
Lorenzo Pieralisi 2019-08-09 12:03:11 +01:00 • committed by Will Deacon
commit 788961462f
4 changed files with 5 additions and 18 deletions
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10
drivers/firmware/psci/psci.c
View file

@ -436,16 +436,6 @@ int psci_cpu_suspend_enter(unsigned long index)
return ret;
}
/* ARM specific CPU idle operations */
#ifdef CONFIG_ARM
static const struct cpuidle_ops psci_cpuidle_ops __initconst = {
.suspend = psci_cpu_suspend_enter,
.init = psci_dt_cpu_init_idle,
};
CPUIDLE_METHOD_OF_DECLARE(psci, "psci", &psci_cpuidle_ops);
#endif
#endif
static int psci_system_suspend(unsigned long unused)