--- zzzz-none-000/linux-4.1.52/include/linux/device.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/device.h	2022-03-02 11:37:13.000000000 +0000
@@ -823,11 +823,12 @@
 	dev->numa_node = node;
 }
 #else
-static inline int dev_to_node(struct device *dev)
+static inline int dev_to_node(struct device *dev __maybe_unused)
 {
 	return -1;
 }
-static inline void set_dev_node(struct device *dev, int node)
+static inline void set_dev_node(struct device *dev __maybe_unused,
+				int node __maybe_unused)
 {
 }
 #endif
@@ -884,7 +885,7 @@
 	dev->power.ignore_children = enable;
 }
 
-static inline void dev_pm_syscore_device(struct device *dev, bool val)
+static inline void dev_pm_syscore_device(struct device *dev __maybe_unused, bool val __maybe_unused)
 {
 #ifdef CONFIG_PM_SLEEP
 	dev->power.syscore = val;
@@ -1022,9 +1023,18 @@
 extern int devtmpfs_delete_node(struct device *dev);
 extern int devtmpfs_mount(const char *mntdir);
 #else
-static inline int devtmpfs_create_node(struct device *dev) { return 0; }
-static inline int devtmpfs_delete_node(struct device *dev) { return 0; }
-static inline int devtmpfs_mount(const char *mountpoint) { return 0; }
+static inline int devtmpfs_create_node(struct device *dev __maybe_unused)
+{
+	return 0;
+}
+static inline int devtmpfs_delete_node(struct device *dev __maybe_unused)
+{
+	return 0;
+}
+static inline int devtmpfs_mount(const char *mountpoint __maybe_unused)
+{
+	return 0;
+}
 #endif
 
 /* drivers/base/power/shutdown.c */