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-rw-r--r--drivers/acpi/internal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 56b321aa2b1c..ba4a61e964be 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -161,7 +161,11 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
/*--------------------------------------------------------------------------
Suspend/Resume
-------------------------------------------------------------------------- */
+#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
extern int acpi_sleep_init(void);
+#else
+static inline int acpi_sleep_init(void) { return -ENXIO; }
+#endif
#ifdef CONFIG_ACPI_SLEEP
int acpi_sleep_proc_init(void);