ath9k_hw: Cleanup ath9k_hw_set_tsfadjust

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ddb24bf..cfa91ab 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2912,9 +2912,9 @@
 }
 EXPORT_SYMBOL(ath9k_hw_reset_tsf);
 
-void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
+void ath9k_hw_set_tsfadjust(struct ath_hw *ah, bool set)
 {
-	if (setting)
+	if (set)
 		ah->misc_mode |= AR_PCU_TX_ADD_TSF;
 	else
 		ah->misc_mode &= ~AR_PCU_TX_ADD_TSF;