--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/ath/ath6kl/debug.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/ath/ath6kl/debug.h	2021-02-04 17:41:59.000000000 +0000
@@ -50,16 +50,17 @@
 };
 
 extern unsigned int debug_mask;
-extern __printf(2, 3)
-int ath6kl_printk(const char *level, const char *fmt, ...);
-extern __printf(1, 2) int ath6kl_info(const char *fmt, ...);
-extern __printf(1, 2) int ath6kl_err(const char *fmt, ...);
-extern __printf(1, 2) int ath6kl_warn(const char *fmt, ...);
+__printf(2, 3) void ath6kl_printk(const char *level, const char *fmt, ...);
+__printf(1, 2) void ath6kl_info(const char *fmt, ...);
+__printf(1, 2) void ath6kl_err(const char *fmt, ...);
+__printf(1, 2) void ath6kl_warn(const char *fmt, ...);
 
 enum ath6kl_war {
 	ATH6KL_WAR_INVALID_RATE,
 };
 
+int ath6kl_read_tgt_stats(struct ath6kl *ar, struct ath6kl_vif *vif);
+
 #ifdef CONFIG_ATH6KL_DEBUG
 
 void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...);
@@ -82,10 +83,9 @@
 void ath6kl_debug_cleanup(struct ath6kl *ar);
 
 #else
-static inline int ath6kl_dbg(enum ATH6K_DEBUG_MASK dbg_mask,
-			     const char *fmt, ...)
+static inline void ath6kl_dbg(enum ATH6K_DEBUG_MASK dbg_mask,
+			      const char *fmt, ...)
 {
-	return 0;
 }
 
 static inline void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,
@@ -98,8 +98,8 @@
 		struct ath6kl_irq_proc_registers *irq_proc_reg,
 		struct ath6kl_irq_enable_reg *irq_en_reg)
 {
-
 }
+
 static inline void dump_cred_dist_stats(struct htc_target *target)
 {
 }