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-rw-r--r--drivers/acpi/internal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 151f3e76d47..4c5cf77e757 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -106,7 +106,12 @@ int acpi_power_transition(struct acpi_device *device, int state);
int acpi_device_update_power(struct acpi_device *device, int *state_p);
int acpi_wakeup_device_init(void);
+
+#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
void acpi_early_processor_set_pdc(void);
+#else
+static inline void acpi_early_processor_set_pdc(void) {}
+#endif
/* --------------------------------------------------------------------------
Embedded Controller