ath9k: convert isWwrSKU macro into C code

Write isWwrSKU as an inline function and nix the camel-case to make
the routine slightly clearer.  Change its argument to take the regd
value directly so it can eventually be used by ath5k as well.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath9k/regd.c b/drivers/net/wireless/ath9k/regd.c
index 99994626081d..979351540e69 100644
--- a/drivers/net/wireless/ath9k/regd.c
+++ b/drivers/net/wireless/ath9k/regd.c
@@ -106,6 +106,12 @@ static const struct ieee80211_regdomain ath9k_world_regdom_67_68_6A = {
         }
 };
 
+static inline bool is_wwr_sku(u16 regd)
+{
+        return ((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
+                (regd == WORLD);
+}
+
 static u16 ath9k_regd_get_eepromRD(struct ath_hw *ah)
 {
         return ah->regulatory.current_rd & ~WORLDWIDE_ROAMING_FLAG;
@@ -118,7 +124,7 @@ u16 ath9k_regd_get_rd(struct ath_hw *ah)
 
 bool ath9k_is_world_regd(struct ath_hw *ah)
 {
-        return isWwrSKU(ah);
+        return is_wwr_sku(ath9k_regd_get_eepromRD(ah));
 }
 
 const struct ieee80211_regdomain *ath9k_default_world_regdomain(void)
@@ -463,7 +469,8 @@ u32 ath9k_regd_get_ctl(struct ath_hw *ah, struct ath9k_channel *chan)
         u32 ctl = NO_CTL;
 
         if (!ah->regulatory.regpair ||
-            (ah->regulatory.country_code == CTRY_DEFAULT && isWwrSKU(ah))) {
+            (ah->regulatory.country_code == CTRY_DEFAULT &&
+             is_wwr_sku(ath9k_regd_get_eepromRD(ah)))) {
                 if (IS_CHAN_B(chan))
                         ctl = SD_NO_CTL | CTL_11B;
                 else if (IS_CHAN_G(chan))