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Subject[PATCH wireless-next 2/3] ath5k: Introduce _ath5k_printk to reduce code/text
Date
Macros can be converted to functions to reduce overall object size.

Convert the ATH5K_PRINTK macro to use _ath5k_printk.

Allyesconfig size is reduced ~10%

$ size drivers/net/wireless/ath/ath5k/built-in.o*
text data bss dec hex filename
211557 2032 40672 254261 3e135 drivers/net/wireless/ath/ath5k/built-in.o.new
235412 2032 47296 284740 45844 drivers/net/wireless/ath/ath5k/built-in.o.old

Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/net/wireless/ath/ath5k/ath5k.h | 9 +++++----
drivers/net/wireless/ath/ath5k/base.c | 20 ++++++++++++++++++++
2 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 954c373..55ef93d 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -79,11 +79,12 @@
#define ATH5K_PRINTF(fmt, ...) \
pr_warn("%s: " fmt, __func__, ##__VA_ARGS__)

+void __printf(3, 4)
+_ath5k_printk(const struct ath5k_hw *ah, const char *level,
+ const char *fmt, ...);
+
#define ATH5K_PRINTK(_sc, _level, _fmt, ...) \
- printk(_level pr_fmt("%s%s" _fmt), \
- ((_sc) && (_sc)->hw) ? wiphy_name((_sc)->hw->wiphy) : "", \
- ((_sc) && (_sc)->hw) ? ": " : "", \
- ##__VA_ARGS__)
+ _ath5k_printk(_sc, _level, _fmt, ##__VA_ARGS__)

#define ATH5K_PRINTK_LIMIT(_sc, _level, _fmt, ...) \
do { \
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index a9c0503..3007bba 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -3040,3 +3040,23 @@ ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable)
ath5k_hw_set_rx_filter(ah, rfilt);
ah->filter_flags = rfilt;
}
+
+void _ath5k_printk(const struct ath5k_hw *ah, const char *level,
+ const char *fmt, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, fmt);
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ if (ah && ah->hw)
+ printk("%s" pr_fmt("%s: %pV"),
+ level, wiphy_name(ah->hw->wiphy), &vaf);
+ else
+ printk("%s" pr_fmt("%pV"), level, &vaf);
+
+ va_end(args);
+}
--
1.7.8.111.gad25c.dirty


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