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-rw-r--r--include/acpi/acpi_bus.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 8b45b82cd5..e7796f373d 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -582,7 +582,7 @@ void acpi_initialize_hp_context(struct acpi_device *adev,
void (*uevent)(struct acpi_device *, u32));
/* acpi_device.dev.bus == &acpi_bus_type */
-extern struct bus_type acpi_bus_type;
+extern const struct bus_type acpi_bus_type;
int acpi_bus_for_each_dev(int (*fn)(struct device *, void *), void *data);
int acpi_dev_for_each_child(struct acpi_device *adev,