mwifiex: Make mwifiex_dbg a function, reduce object size

The mwifiex_dbg macro has two tests that could be consolidated
into a function reducing overall object size ~10KB (~4%).

So convert the macro into a function.

$ size drivers/net/wireless/mwifiex/built-in.o* (x86-64 defconfig)
   text	   data	    bss	    dec	    hex	filename
 233102	   8628	   4809	 246539	  3c30b	drivers/net/wireless/mwifiex/built-in.o.new
 243949	   8628	   4809	 257386	  3ed6a	drivers/net/wireless/mwifiex/built-in.o.old
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/mwifiex/main.c

@@ -1447,6 +1447,26 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
 }
 EXPORT_SYMBOL_GPL(mwifiex_remove_card);
 
+void _mwifiex_dbg(const struct mwifiex_adapter *adapter, int mask,
+		  const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	if (!adapter->dev || !(adapter->debug_mask & mask))
+		return;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	dev_info(adapter->dev, "%pV", &vaf);
+
+	va_end(args);
+}
+EXPORT_SYMBOL_GPL(_mwifiex_dbg);
+
 /*
  * This function initializes the module.
  *

drivers/net/wireless/mwifiex/main.h

@@ -48,6 +48,9 @@
 
 extern const char driver_version[];
 
+struct mwifiex_adapter;
+struct mwifiex_private;
+
 enum {
 	MWIFIEX_ASYNC_CMD,
 	MWIFIEX_SYNC_CMD
@@ -180,12 +183,11 @@ enum MWIFIEX_DEBUG_LEVEL {
 					MWIFIEX_DBG_FATAL | \
 					MWIFIEX_DBG_ERROR)
 
-#define mwifiex_dbg(adapter, dbg_mask, fmt, args...)		\
-do {								\
-	if ((adapter)->debug_mask & MWIFIEX_DBG_##dbg_mask)	\
-		if ((adapter)->dev)				\
-			dev_info((adapter)->dev, fmt, ## args);	\
-} while (0)
+__printf(3, 4)
+void _mwifiex_dbg(const struct mwifiex_adapter *adapter, int mask,
+		  const char *fmt, ...);
+#define mwifiex_dbg(adapter, mask, fmt, ...)				\
+	_mwifiex_dbg(adapter, MWIFIEX_DBG_##mask, fmt, ##__VA_ARGS__)
 
 #define DEBUG_DUMP_DATA_MAX_LEN		128
 #define mwifiex_dbg_dump(adapter, dbg_mask, str, buf, len)	\
@@ -506,9 +508,6 @@ enum mwifiex_iface_work_flags {
 	MWIFIEX_IFACE_WORK_CARD_RESET,
 };
 
-struct mwifiex_adapter;
-struct mwifiex_private;
-
 struct mwifiex_private {
 	struct mwifiex_adapter *adapter;
 	u8 bss_type;