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| author | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-08-09 12:03:11 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-08-09 17:51:39 +0100 |
| commit | 788961462f3471617749edf10d0fcafad410d2bb (patch) | |
| tree | 859f72163b558b86031cc98cbd4620a5e1c969ea /arch/arm64/kernel/cpuidle.c | |
| parent | 81d549e0c810773bf003a25f59fa5509857bf9b2 (diff) | |
| download | lwn-788961462f3471617749edf10d0fcafad410d2bb.tar.gz lwn-788961462f3471617749edf10d0fcafad410d2bb.zip | |
ARM: psci: cpuidle: Enable PSCI CPUidle driver
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 <lorenzo.pieralisi@arm.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Will Deacon <will@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/cpuidle.c')
| -rw-r--r-- | arch/arm64/kernel/cpuidle.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm64/kernel/cpuidle.c b/arch/arm64/kernel/cpuidle.c index d1048173fd8a..619e0ebb8399 100644 --- a/arch/arm64/kernel/cpuidle.c +++ b/arch/arm64/kernel/cpuidle.c @@ -11,6 +11,7 @@ #include <linux/cpu_pm.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/psci.h> #include <asm/cpuidle.h> #include <asm/cpu_ops.h> @@ -48,15 +49,15 @@ int arm_cpuidle_suspend(int index) int acpi_processor_ffh_lpi_probe(unsigned int cpu) { - return arm_cpuidle_init(cpu); + return psci_cpu_init_idle(cpu); } int acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi) { if (ARM64_LPI_IS_RETENTION_STATE(lpi->arch_flags)) - return CPU_PM_CPU_IDLE_ENTER_RETENTION(arm_cpuidle_suspend, + return CPU_PM_CPU_IDLE_ENTER_RETENTION(psci_cpu_suspend_enter, lpi->index); else - return CPU_PM_CPU_IDLE_ENTER(arm_cpuidle_suspend, lpi->index); + return CPU_PM_CPU_IDLE_ENTER(psci_cpu_suspend_enter, lpi->index); } #endif |