--- zzzz-none-000/linux-4.1.38/include/linux/bit_spinlock.h	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/include/linux/bit_spinlock.h	2020-11-25 10:06:48.000000000 +0000
@@ -12,7 +12,7 @@
  * Don't use this unless you really need to: spin_lock() and spin_unlock()
  * are significantly faster.
  */
-static inline void bit_spin_lock(int bitnum, unsigned long *addr)
+static inline void bit_spin_lock(int bitnum __attribute__((unused)), unsigned long *addr __attribute__((unused)))
 {
 	/*
 	 * Assuming the lock is uncontended, this never enters
@@ -37,7 +37,7 @@
 /*
  * Return true if it was acquired
  */
-static inline int bit_spin_trylock(int bitnum, unsigned long *addr)
+static inline int bit_spin_trylock(int bitnum __attribute__((unused)), unsigned long *addr __attribute__((unused)))
 {
 	preempt_disable();
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
@@ -53,7 +53,7 @@
 /*
  *  bit-based spin_unlock()
  */
-static inline void bit_spin_unlock(int bitnum, unsigned long *addr)
+static inline void bit_spin_unlock(int bitnum __attribute__((unused)), unsigned long *addr __attribute__((unused)))
 {
 #ifdef CONFIG_DEBUG_SPINLOCK
 	BUG_ON(!test_bit(bitnum, addr));
@@ -70,7 +70,7 @@
  *  non-atomic version, which can be used eg. if the bit lock itself is
  *  protecting the rest of the flags in the word.
  */
-static inline void __bit_spin_unlock(int bitnum, unsigned long *addr)
+static inline void __bit_spin_unlock(int bitnum __attribute__((unused)), unsigned long *addr __attribute__((unused)))
 {
 #ifdef CONFIG_DEBUG_SPINLOCK
 	BUG_ON(!test_bit(bitnum, addr));
@@ -85,7 +85,7 @@
 /*
  * Return true if the lock is held.
  */
-static inline int bit_spin_is_locked(int bitnum, unsigned long *addr)
+static inline int bit_spin_is_locked(int bitnum __attribute__((unused)), unsigned long *addr __attribute__((unused)))
 {
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
 	return test_bit(bitnum, addr);