ath9k: make private driver rate tables const
On x86 this allows us to do the following small savings:
shave off 23 % off of the module's data, and
shave off 6 % off of the module's text.
We save 456 bytes, for those counting.
$ size ath9k.ko
text data bss dec hex filename
250794 3628 1600 256022 3e816 ath9k.ko
$ size ath9k-old.ko
text data bss dec hex filename
239114 15308 1600 256022 3e816 ath9k-old.ko
$ du -b ath9k.ko
4034244 ath9k.ko
$ du -b ath9k-old.ko
4033788 ath9k-old.ko
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 90b6314..10ffc94 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -576,8 +576,8 @@
struct ath_tx tx;
struct ath_beacon beacon;
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
- struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
- struct ath_rate_table *cur_rate_table;
+ const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
+ const struct ath_rate_table *cur_rate_table;
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct ath_led radio_led;