--- a/drivers/net/wireless/ath/main.c
+++ b/drivers/net/wireless/ath/main.c
@@ -59,6 +59,7 @@ struct sk_buff *ath_rxbuf_alloc(struct a
 }
 EXPORT_SYMBOL(ath_rxbuf_alloc);
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 void ath_printk(const char *level, const struct ath_common* common,
 		const char *fmt, ...)
 {
@@ -78,4 +79,24 @@ void ath_printk(const char *level, const
 
 	va_end(args);
 }
+#else
+void ath_printk(const char *level, const struct ath_common* common,
+		const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+
+	if (common && common->hw && common->hw->wiphy)
+		printk("%sath: %s: ",
+		       level, wiphy_name(common->hw->wiphy));
+	else
+		printk("%sath: ", level);
+
+	vprintk(fmt, args);
+
+	va_end(args);
+}
+#endif
+
 EXPORT_SYMBOL(ath_printk);