1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 7a1347b2453f..bc682da28b2a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -369,10 +369,9 @@ struct ath9k_channel {
 #define IS_CHAN_2GHZ(_c) (((_c)->channelFlags & CHANNEL_2GHZ) != 0)
 #define IS_CHAN_HALF_RATE(_c) (((_c)->channelFlags & CHANNEL_HALF) != 0)
 #define IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
-#define IS_CHAN_A_5MHZ_SPACED(_c)                       \
+#define IS_CHAN_A_FAST_CLOCK(_ah, _c)                   \
         ((((_c)->channelFlags & CHANNEL_5GHZ) != 0) &&  \
-         (((_c)->channel % 20) != 0) &&                 \
-         (((_c)->channel % 10) != 0))
+         ((_ah)->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK))
 
 /* These macros check chanmode and not channelFlags */
 #define IS_CHAN_B(_c) ((_c)->chanmode == CHANNEL_B)