There are only two capabilities we need, and both are trivial to find.

ath5k_hw_hasbssidmask() is true on AR5212, but not on AR5210 or AR5211.

ath5k_hw_hasveol() is true on AR5211 and AR5212, but not on AR5210,
according to the HAL source.

Signed-off-by: Pavel Roskin <pro...@gnu.org>
---
 drivers/net/wireless/ath/ath5k/ath5k.h |   32 -----------------------
 drivers/net/wireless/ath/ath5k/base.h  |    9 ++++--
 drivers/net/wireless/ath/ath5k/caps.c  |   45 --------------------------------
 3 files changed, 5 insertions(+), 81 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h 
b/drivers/net/wireless/ath/ath5k/ath5k.h
index c6fb44c..277d5cb 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -972,35 +972,6 @@ enum ath5k_power_mode {
 #define AR5K_SOFTLED_ON                0
 #define AR5K_SOFTLED_OFF       1
 
-/*
- * Chipset capabilities -see ath5k_hw_get_capability-
- * get_capability function is not yet fully implemented
- * in ath5k so most of these don't work yet...
- * TODO: Implement these & merge with _TUNE_ stuff above
- */
-enum ath5k_capability_type {
-       AR5K_CAP_REG_DMN                = 0,    /* Used to get current reg. 
domain id */
-       AR5K_CAP_TKIP_MIC               = 2,    /* Can handle TKIP MIC in 
hardware */
-       AR5K_CAP_TKIP_SPLIT             = 3,    /* TKIP uses split keys */
-       AR5K_CAP_PHYCOUNTERS            = 4,    /* PHY error counters */
-       AR5K_CAP_DIVERSITY              = 5,    /* Supports fast diversity */
-       AR5K_CAP_NUM_TXQUEUES           = 6,    /* Used to get max number of hw 
txqueues */
-       AR5K_CAP_VEOL                   = 7,    /* Supports virtual EOL */
-       AR5K_CAP_COMPRESSION            = 8,    /* Supports compression */
-       AR5K_CAP_BURST                  = 9,    /* Supports packet bursting */
-       AR5K_CAP_FASTFRAME              = 10,   /* Supports fast frames */
-       AR5K_CAP_TXPOW                  = 11,   /* Used to get global tx power 
limit */
-       AR5K_CAP_TPC                    = 12,   /* Can do per-packet tx power 
control (needed for 802.11a) */
-       AR5K_CAP_BSSIDMASK              = 13,   /* Supports bssid mask */
-       AR5K_CAP_MCAST_KEYSRCH          = 14,   /* Supports multicast key 
search */
-       AR5K_CAP_TSF_ADJUST             = 15,   /* Supports beacon tsf adjust */
-       AR5K_CAP_XR                     = 16,   /* Supports XR mode */
-       AR5K_CAP_WME_TKIPMIC            = 17,   /* Supports TKIP MIC when using 
WMM */
-       AR5K_CAP_CHAN_HALFRATE          = 18,   /* Supports half rate channels 
*/
-       AR5K_CAP_CHAN_QUARTERRATE       = 19,   /* Supports quarter rate 
channels */
-       AR5K_CAP_RFSILENT               = 20,   /* Supports RFsilent */
-};
-
 
 /* XXX: we *may* move cap_range stuff to struct wiphy */
 struct ath5k_capabilities {
@@ -1506,9 +1477,6 @@ void ath5k_rfkill_hw_stop(struct ath5k_hw *ah);
 
 /* Misc functions TODO: Cleanup */
 int ath5k_hw_set_capabilities(struct ath5k_hw *ah);
-int ath5k_hw_get_capability(struct ath5k_hw *ah,
-                           enum ath5k_capability_type cap_type, u32 capability,
-                           u32 *result);
 int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, u16 assoc_id);
 int ath5k_hw_disable_pspoll(struct ath5k_hw *ah);
 
diff --git a/drivers/net/wireless/ath/ath5k/base.h 
b/drivers/net/wireless/ath/ath5k/base.h
index aa8aafc..a81f28d 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -81,9 +81,10 @@ struct ath5k_vif_iter_data {
 void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
 
 
-#define ath5k_hw_hasbssidmask(_ah) \
-       (ath5k_hw_get_capability(_ah, AR5K_CAP_BSSIDMASK, 0, NULL) == 0)
-#define ath5k_hw_hasveol(_ah) \
-       (ath5k_hw_get_capability(_ah, AR5K_CAP_VEOL, 0, NULL) == 0)
+/* Check whether BSSID mask is supported */
+#define ath5k_hw_hasbssidmask(_ah) (ah->ah_version == AR5K_AR5212)
+
+/* Check whether virtual EOL is supported */
+#define ath5k_hw_hasveol(_ah) (ah->ah_version != AR5K_AR5210)
 
 #endif
diff --git a/drivers/net/wireless/ath/ath5k/caps.c 
b/drivers/net/wireless/ath/ath5k/caps.c
index c752982..eefe670 100644
--- a/drivers/net/wireless/ath/ath5k/caps.c
+++ b/drivers/net/wireless/ath/ath5k/caps.c
@@ -112,51 +112,6 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
        return 0;
 }
 
-/* Main function used by the driver part to check caps */
-int ath5k_hw_get_capability(struct ath5k_hw *ah,
-               enum ath5k_capability_type cap_type,
-               u32 capability, u32 *result)
-{
-       switch (cap_type) {
-       case AR5K_CAP_NUM_TXQUEUES:
-               if (result) {
-                       if (ah->ah_version == AR5K_AR5210)
-                               *result = AR5K_NUM_TX_QUEUES_NOQCU;
-                       else
-                               *result = AR5K_NUM_TX_QUEUES;
-                       goto yes;
-               }
-       case AR5K_CAP_VEOL:
-               goto yes;
-       case AR5K_CAP_COMPRESSION:
-               if (ah->ah_version == AR5K_AR5212)
-                       goto yes;
-               else
-                       goto no;
-       case AR5K_CAP_BURST:
-               goto yes;
-       case AR5K_CAP_TPC:
-               goto yes;
-       case AR5K_CAP_BSSIDMASK:
-               if (ah->ah_version == AR5K_AR5212)
-                       goto yes;
-               else
-                       goto no;
-       case AR5K_CAP_XR:
-               if (ah->ah_version == AR5K_AR5212)
-                       goto yes;
-               else
-                       goto no;
-       default:
-               goto no;
-       }
-
-no:
-       return -EINVAL;
-yes:
-       return 0;
-}
-
 /*
  * TODO: Following functions should be part of a new function
  * set_capability
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