ath5k: Use turbo flag on DCU
* Set AR5K_DCU_GBL_IFS_MISC_TURBO_MODE flag on DCU when operating
on 40MHz
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c
index e13142a..69bff04 100644
--- a/drivers/net/wireless/ath/ath5k/qcu.c
+++ b/drivers/net/wireless/ath/ath5k/qcu.c
@@ -647,5 +647,10 @@
* on ath5k_hw_set_ifs_intervals */
ath5k_hw_set_tx_retry_limits(ah, 0);
+ /* Set the turbo flag when operating on 40MHz */
+ if (ah->ah_bwmode == AR5K_BWMODE_40MHZ)
+ AR5K_REG_ENABLE_BITS(ah, AR5K_DCU_GBL_IFS_MISC,
+ AR5K_DCU_GBL_IFS_MISC_TURBO_MODE);
+
return 0;
}