wireless: Convert wiphy_debug macro to function

Save a few bytes of text

(allyesconfig)
$ size drivers/net/wireless/built-in.o*
   text	   data	    bss	    dec	    hex	filename
3924568	 100548	 871056	4896172	 4ab5ac	drivers/net/wireless/built-in.o.new
3926520	 100548	 871464	4898532	 4abee4	drivers/net/wireless/built-in.o.old

$ size net/wireless/core.o*
   text	   data	    bss	    dec	    hex	filename
  12843	    216	   3768	  16827	   41bb	net/wireless/core.o.new
  12328	    216	   3656	  16200	   3f48	net/wireless/core.o

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7fe774c..ae80f8f 100644 (file)
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2442,8 +2442,9 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
        wiphy_printk(KERN_NOTICE, wiphy, format, ##args)
 #define wiphy_info(wiphy, format, args...)                     \
        wiphy_printk(KERN_INFO, wiphy, format, ##args)
-#define wiphy_debug(wiphy, format, args...)                    \
-       wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
+
+int wiphy_debug(const struct wiphy *wiphy, const char *format, ...)
+       __attribute__ ((format (printf, 2, 3)));
 
 #if defined(DEBUG)
 #define wiphy_dbg(wiphy, format, args...)                      \

diff --git a/net/wireless/core.c b/net/wireless/core.c
index f65c649..541e2ff 100644 (file)
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -907,3 +907,52 @@ static void __exit cfg80211_exit(void)
        destroy_workqueue(cfg80211_wq);
 }
 module_exit(cfg80211_exit);
+
+static int ___wiphy_printk(const char *level, const struct wiphy *wiphy,
+                          struct va_format *vaf)
+{
+       if (!wiphy)
+               return printk("%s(NULL wiphy *): %pV", level, vaf);
+
+       return printk("%s%s: %pV", level, wiphy_name(wiphy), vaf);
+}
+
+int __wiphy_printk(const char *level, const struct wiphy *wiphy,
+                  const char *fmt, ...)
+{
+       struct va_format vaf;
+       va_list args;
+       int r;
+
+       va_start(args, fmt);
+
+       vaf.fmt = fmt;
+       vaf.va = &args;
+
+       r = ___wiphy_printk(level, wiphy, &vaf);
+       va_end(args);
+
+       return r;
+}
+EXPORT_SYMBOL(__wiphy_printk);
+
+#define define_wiphy_printk_level(func, kern_level)            \
+int func(const struct wiphy *wiphy, const char *fmt, ...)      \
+{                                                              \
+       struct va_format vaf;                                   \
+       va_list args;                                           \
+       int r;                                                  \
+                                                               \
+       va_start(args, fmt);                                    \
+                                                               \
+       vaf.fmt = fmt;                                          \
+       vaf.va = &args;                                         \
+                                                               \
+       r = ___wiphy_printk(kern_level, wiphy, &vaf);           \
+       va_end(args);                                           \
+                                                               \
+       return r;                                               \
+}                                                              \
+EXPORT_SYMBOL(func);
+
+define_wiphy_printk_level(wiphy_debug, KERN_DEBUG);