ath9k: Fix bug in deciphering channel flags

CHANNEL_CCK flag is set for all 2 Ghz channels, so IS_CHAN_CCK() would
turn out to be true for all channles in that band.
Use IS_CHAN_B() now, which checks the channel mode and not the channel
flags.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 7 insertions, 7 deletions

diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h
index 6b0e3dd7b2ad..5b9bc545e964 100644
--- a/drivers/net/wireless/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath9k/ath9k.h
@@ -476,12 +476,10 @@ struct ath9k_channel {
        (((_c)->channelFlags & CHANNEL_A_HT20) == CHANNEL_A_HT20) || \
        (((_c)->channelFlags & CHANNEL_A_HT40PLUS) == CHANNEL_A_HT40PLUS) || \
        (((_c)->channelFlags & CHANNEL_A_HT40MINUS) == CHANNEL_A_HT40MINUS))
-#define IS_CHAN_B(_c) (((_c)->channelFlags & CHANNEL_B) == CHANNEL_B)
 #define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
        (((_c)->channelFlags & CHANNEL_G_HT20) == CHANNEL_G_HT20) || \
        (((_c)->channelFlags & CHANNEL_G_HT40PLUS) == CHANNEL_G_HT40PLUS) || \
        (((_c)->channelFlags & CHANNEL_G_HT40MINUS) == CHANNEL_G_HT40MINUS))
-#define IS_CHAN_CCK(_c) (((_c)->channelFlags & CHANNEL_CCK) != 0)
 #define IS_CHAN_OFDM(_c) (((_c)->channelFlags & CHANNEL_OFDM) != 0)
 #define IS_CHAN_5GHZ(_c) (((_c)->channelFlags & CHANNEL_5GHZ) != 0)
 #define IS_CHAN_2GHZ(_c) (((_c)->channelFlags & CHANNEL_2GHZ) != 0)
@@ -490,6 +488,7 @@ struct ath9k_channel {
 #define IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
 
 /* These macros check chanmode and not channelFlags */
+#define IS_CHAN_B(_c) ((_c)->chanmode == CHANNEL_B)
 #define IS_CHAN_HT20(_c) (((_c)->chanmode == CHANNEL_A_HT20) || \
                           ((_c)->chanmode == CHANNEL_G_HT20))
 #define IS_CHAN_HT40(_c) (((_c)->chanmode == CHANNEL_A_HT40PLUS) ||     \
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index eb1445143bcf..10f6c08f6eb2 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -86,10 +86,11 @@ static u32 ath9k_hw_mac_to_clks(struct ath_hal *ah, u32 usecs)
 enum wireless_mode ath9k_hw_chan2wmode(struct ath_hal *ah,
                                const struct ath9k_channel *chan)
 {
-        if (IS_CHAN_CCK(chan))
-                return ATH9K_MODE_11A;
+        if (IS_CHAN_B(chan))
+                return ATH9K_MODE_11B;
         if (IS_CHAN_G(chan))
                 return ATH9K_MODE_11G;
+
         return ATH9K_MODE_11A;
 }
 
@@ -909,7 +910,7 @@ static void ath9k_hw_init_bb(struct ath_hal *ah,
         u32 synthDelay;
 
         synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
-        if (IS_CHAN_CCK(chan))
+        if (IS_CHAN_B(chan))
                 synthDelay = (4 * synthDelay) / 22;
         else
                 synthDelay /= 10;
@@ -1647,7 +1648,7 @@ static struct ath9k_channel *ath9k_hw_check_chan(struct ath_hal *ah,
         }
 
         if (!IS_CHAN_OFDM(chan) &&
-            !IS_CHAN_CCK(chan) &&
+            !IS_CHAN_B(chan) &&
             !IS_CHAN_HT20(chan) &&
             !IS_CHAN_HT40(chan)) {
                 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
@@ -1711,7 +1712,7 @@ static bool ath9k_hw_channel_change(struct ath_hal *ah,
         }
 
         synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
-        if (IS_CHAN_CCK(chan))
+        if (IS_CHAN_B(chan))
                 synthDelay = (4 * synthDelay) / 22;
         else
                 synthDelay /= 10;