ath9k: Fix compile warnings when DEBUGFS is disabled.

This fixes two compile warnings, and removes a useless
cast when assigning the 'sc' variable.

Reported-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index dd4b8f4097c8..8c827a183fc0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -959,7 +959,8 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
 #ifdef CONFIG_ATH9K_DEBUGFS
 void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
 #else
-static void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause) {}
+static inline void ath9k_debug_sync_cause(struct ath_common *common,
+                                          u32 sync_cause) {}
 #endif
 
 /* Generic hw timer primitives */
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 301ef3e57145..12b09798864a 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -907,7 +907,7 @@ static int ath9k_process_rate(struct ath_common *common,
         struct ieee80211_supported_band *sband;
         enum ieee80211_band band;
         unsigned int i = 0;
-        struct ath_softc *sc = (struct ath_softc *) common->priv;
+        struct ath_softc __maybe_unused *sc = common->priv;
 
         band = hw->conf.channel->band;
         sband = hw->wiphy->bands[band];