[Make-wifi-fast] [RFC PATCH] mac80211: ieee80211_calc_rx_airtime() can be static

[kbuild test robot]

Fixes: 427959c8f966 ("mac80211: Import airtime calculation code from mt76")
Signed-off-by: kbuild test robot <lkp at intel.com>
---
 airtime.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/mac80211/airtime.c b/net/mac80211/airtime.c
index c8d0cee613660..3f13640643e34 100644
--- a/net/mac80211/airtime.c
+++ b/net/mac80211/airtime.c
@@ -208,9 +208,9 @@ ieee80211_calc_legacy_rate_duration(const struct ieee80211_rate *rate,
 	return duration;
 }
 
-u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw,
-			      struct ieee80211_rx_status *status,
-			      int len)
+static u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw,
+				     struct ieee80211_rx_status *status,
+				     int len)
 {
 	struct ieee80211_supported_band *sband;
 	const struct ieee80211_rate *rate;
@@ -279,9 +279,9 @@ u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw,
 	return duration;
 }
 
-u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw,
-				   struct ieee80211_tx_rate *rate,
-				   u8 band, int len)
+static u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw,
+					  struct ieee80211_tx_rate *rate,
+					  u8 band, int len)
 {
 	struct ieee80211_rx_status stat = {
 		.band = band,