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-rw-r--r--include/linux/acpi.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 6b4966e5d7b1..9e2a15dd33e4 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1109,6 +1109,12 @@ struct acpi_s2idle_dev_ops {
};
int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
+int acpi_get_lps0_constraint(struct acpi_device *adev);
+#else /* CONFIG_SUSPEND && CONFIG_X86 */
+static inline int acpi_get_lps0_constraint(struct device *dev)
+{
+ return ACPI_STATE_UNKNOWN;
+}
#endif /* CONFIG_SUSPEND && CONFIG_X86 */
#ifndef CONFIG_IA64
void arch_reserve_mem_area(acpi_physical_address addr, size_t size);