change bus notifier defines into inline functions

2 files changed, 17 insertions, 5 deletions

diff --git a/sys/dev/pci/drm/include/linux/device.h b/sys/dev/pci/drm/include/linux/device.h
index 2321332b338..82f2cb16778 100644
--- a/sys/dev/pci/drm/include/linux/device.h
+++ b/sys/dev/pci/drm/include/linux/device.h
@@ -14,12 +14,10 @@
 #include <linux/kobject.h>
 #include <linux/ratelimit.h> /* dev_printk.h -> ratelimit.h */
 #include <linux/module.h> /* via device/driver.h */
+#include <linux/device/bus.h>
 
 struct device_node;
 
-struct bus_type {
-};
-
 struct device_driver {
 	struct device *dev;
 };
diff --git a/sys/dev/pci/drm/include/linux/device/bus.h b/sys/dev/pci/drm/include/linux/device/bus.h
index 19e69719106..f1eacdeb85d 100644
--- a/sys/dev/pci/drm/include/linux/device/bus.h
+++ b/sys/dev/pci/drm/include/linux/device/bus.h
@@ -3,7 +3,21 @@
 #ifndef _LINUX_DEVICE_BUS_H
 #define _LINUX_DEVICE_BUS_H
 
-#define bus_register_notifier(a, b)	0
-#define bus_unregister_notifier(a, b)	0
+struct bus_type {
+};
+
+struct notifier_block;
+
+static inline int
+bus_register_notifier(const struct bus_type *bt, struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline int
+bus_unregister_notifier(const struct bus_type *bt, struct notifier_block *nb)
+{
+	return 0;
+}
 
 #endif