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Diffstat (limited to 'arch/arm64/kernel/cpuidle.c')
-rw-r--r--arch/arm64/kernel/cpuidle.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm64/kernel/cpuidle.c b/arch/arm64/kernel/cpuidle.c
index fd691087dc9a..f2d13810daa8 100644
--- a/arch/arm64/kernel/cpuidle.c
+++ b/arch/arm64/kernel/cpuidle.c
@@ -47,6 +47,8 @@ int arm_cpuidle_suspend(int index)
#include <acpi/processor.h>
+#define ARM64_LPI_IS_RETENTION_STATE(arch_flags) (!(arch_flags))
+
int acpi_processor_ffh_lpi_probe(unsigned int cpu)
{
return arm_cpuidle_init(cpu);
@@ -54,6 +56,10 @@ int acpi_processor_ffh_lpi_probe(unsigned int cpu)
int acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi)
{
- return CPU_PM_CPU_IDLE_ENTER(arm_cpuidle_suspend, lpi->index);
+ if (ARM64_LPI_IS_RETENTION_STATE(lpi->arch_flags))
+ return CPU_PM_CPU_IDLE_ENTER_RETENTION(arm_cpuidle_suspend,
+ lpi->index);
+ else
+ return CPU_PM_CPU_IDLE_ENTER(arm_cpuidle_suspend, lpi->index);
}
#endif