Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

1 files changed, 27 insertions, 11 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 53a7b980d8f6..2ec61f08cfdb 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -148,22 +148,19 @@ bool ath9k_get_channel_edges(struct ath_hw *ah,
 }
 
 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
-                           const struct ath_rate_table *rates,
+                           u8 phy, int kbps,
                            u32 frameLen, u16 rateix,
                            bool shortPreamble)
 {
         u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
-        u32 kbps;
-
-        kbps = rates->info[rateix].ratekbps;
 
         if (kbps == 0)
                 return 0;
 
-        switch (rates->info[rateix].phy) {
+        switch (phy) {
         case WLAN_RC_PHY_CCK:
                 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
-                if (shortPreamble && rates->info[rateix].short_preamble)
+                if (shortPreamble)
                         phyTime >>= 1;
                 numBits = frameLen << 3;
                 txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
@@ -194,8 +191,7 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
                 break;
         default:
                 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
-                          "Unknown phy %u (rate ix %u)\n",
-                          rates->info[rateix].phy, rateix);
+                          "Unknown phy %u (rate ix %u)\n", phy, rateix);
                 txTime = 0;
                 break;
         }
@@ -922,6 +918,11 @@ int ath9k_hw_init(struct ath_hw *ah)
         ath_print(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
                 ah->config.serialize_regmode);
 
+        if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+                ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1;
+        else
+                ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
+
         if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
                 ath_print(common, ATH_DBG_FATAL,
                           "Mac Chip Rev 0x%02x.%x is not supported by "
@@ -975,7 +976,10 @@ int ath9k_hw_init(struct ath_hw *ah)
                 return r;
 
         ath9k_hw_init_mode_gain_regs(ah);
-        ath9k_hw_fill_cap_info(ah);
+        r = ath9k_hw_fill_cap_info(ah);
+        if (r)
+                return r;
+
         ath9k_hw_init_11a_eeprom_fix(ah);
 
         r = ath9k_hw_init_macaddr(ah);
@@ -3111,7 +3115,7 @@ EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers);
 /* HW Capabilities */
 /*******************/
 
-void ath9k_hw_fill_cap_info(struct ath_hw *ah)
+int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 {
         struct ath9k_hw_capabilities *pCap = &ah->caps;
         struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
@@ -3142,6 +3146,12 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
         }
 
         eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
+        if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
+                ath_print(common, ATH_DBG_FATAL,
+                          "no band has been marked as supported in EEPROM.\n");
+                return -EINVAL;
+        }
+
         bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
 
         if (eeval & AR5416_OPFLAGS_11A) {
@@ -3228,7 +3238,11 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
                 pCap->keycache_size = AR_KEYTABLE_SIZE;
 
         pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
-        pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
+
+        if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+                pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD >> 1;
+        else
+                pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
 
         if (AR_SREV_9285_10_OR_LATER(ah))
                 pCap->num_gpio_pins = AR9285_NUM_GPIO;
@@ -3301,6 +3315,8 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
         } else {
                 btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
         }
+
+        return 0;
 }
 
 bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,