--- zzzz-none-000/linux-4.1.52/include/linux/kdev_t.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/kdev_t.h	2022-03-02 11:37:13.000000000 +0000
@@ -35,7 +35,7 @@
 	return MKDEV((val >> 8) & 255, val & 255);
 }
 
-static inline int new_valid_dev(dev_t dev)
+static inline int new_valid_dev(dev_t dev __maybe_unused)
 {
 	return 1;
 }
@@ -54,7 +54,7 @@
 	return MKDEV(major, minor);
 }
 
-static inline int huge_valid_dev(dev_t dev)
+static inline int huge_valid_dev(dev_t dev __maybe_unused)
 {
 	return 1;
 }