ath9k_hw: remove IS_CHAN_B()

Hardware 802.11b-only mode isn't supported by the driver (the device is
configured for 802.11n/g instead). Simplify the code by removing checks
for it.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

6 files changed, 13 insertions, 22 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 2bfa6fbc6bb1..b197bf2047e7 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -794,8 +794,10 @@ static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
         if (chan == NULL)
                 return;
 
-        rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
-                ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
+        if (IS_CHAN_2GHZ(chan))
+                rfMode |= AR_PHY_MODE_DYNAMIC;
+        else
+                rfMode |= AR_PHY_MODE_OFDM;
 
         if (!AR_SREV_9280_20_OR_LATER(ah))
                 rfMode |= (IS_CHAN_5GHZ(chan)) ?
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
index 32376ad74011..cdc74005650c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
@@ -33,15 +33,12 @@ static bool ar9002_hw_is_cal_supported(struct ath_hw *ah,
         bool supported = false;
         switch (ah->supp_cals & cal_type) {
         case IQ_MISMATCH_CAL:
-                /* Run IQ Mismatch for non-CCK only */
-                if (!IS_CHAN_B(chan))
-                        supported = true;
+                supported = true;
                 break;
         case ADC_GAIN_CAL:
         case ADC_DC_CAL:
                 /* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */
-                if (!IS_CHAN_B(chan) &&
-                    !((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) &&
+                if (!((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) &&
                       IS_CHAN_HT20(chan)))
                         supported = true;
                 break;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 724984430448..312c868f05be 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -808,8 +808,10 @@ static void ar9003_hw_set_rfmode(struct ath_hw *ah,
         if (chan == NULL)
                 return;
 
-        rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
-                ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
+        if (IS_CHAN_2GHZ(chan))
+                rfMode |= AR_PHY_MODE_DYNAMIC;
+        else
+                rfMode |= AR_PHY_MODE_OFDM;
 
         if (IS_CHAN_A_FAST_CLOCK(ah, chan))
                 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7c4d600b14db..34c8e2ebb69b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -190,10 +190,7 @@ EXPORT_SYMBOL(ath9k_hw_wait);
 void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan,
                           int hw_delay)
 {
-        if (IS_CHAN_B(chan))
-                hw_delay = (4 * hw_delay) / 22;
-        else
-                hw_delay /= 10;
+        hw_delay /= 10;
 
         if (IS_CHAN_HALF_RATE(chan))
                 hw_delay *= 2;
@@ -1159,9 +1156,7 @@ u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan)
 {
         u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band);
 
-        if (IS_CHAN_B(chan))
-                ctl |= CTL_11B;
-        else if (IS_CHAN_G(chan))
+        if (IS_CHAN_G(chan))
                 ctl |= CTL_11G;
         else
                 ctl |= CTL_11A;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 102b3b6571f3..eaaf98ba2509 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -455,7 +455,6 @@ struct ath9k_channel {
          ((_ah)->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK))
 
 /* 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/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index a3eff0986a3f..6a18f9d3e9cc 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -374,7 +374,6 @@ EXPORT_SYMBOL(ath9k_hw_releasetxqueue);
 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
 {
         struct ath_common *common = ath9k_hw_common(ah);
-        struct ath9k_channel *chan = ah->curchan;
         struct ath9k_tx_queue_info *qi;
         u32 cwMin, chanCwMin, value;
 
@@ -387,10 +386,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
         ath_dbg(common, QUEUE, "Reset TX queue: %u\n", q);
 
         if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
-                if (chan && IS_CHAN_B(chan))
-                        chanCwMin = INIT_CWMIN_11B;
-                else
-                        chanCwMin = INIT_CWMIN;
+                chanCwMin = INIT_CWMIN;
 
                 for (cwMin = 1; cwMin < chanCwMin; cwMin = (cwMin << 1) | 1);
         } else