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-rw-r--r--drivers/acpi/internal.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 00910ccd7eda..e2781864fdce 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -175,6 +175,12 @@ bool processor_physically_present(acpi_handle handle);
static inline void acpi_early_processor_control_setup(void) {}
#endif
+#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
+void acpi_idle_rescan_dead_smt_siblings(void);
+#else
+static inline void acpi_idle_rescan_dead_smt_siblings(void) {}
+#endif
+
/* --------------------------------------------------------------------------
Embedded Controller
-------------------------------------------------------------------------- */