ath5k: Update reset code

 * Update reset and sync with HALs

 * Clean up eeprom settings and tweaking of initvals and
   put them on separate functions

 * Set/Restore 32KHz ref clk operation

 * Add some more documentation

 TODO: Spur mitigation, tpc, half/quarter rate, compression etc

 v2: Address comments from Bob and Felix and fix RSSI threshold bug
 introduced on the first version of the patch

 Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath5k/eeprom.c b/drivers/net/wireless/ath5k/eeprom.c
index b4ec539..21b9334 100644
--- a/drivers/net/wireless/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath5k/eeprom.c
@@ -204,7 +204,7 @@
 
 	/* Get antenna modes */
 	ah->ah_antenna[mode][0] =
-	    (ee->ee_ant_control[mode][0] << 4) | 0x1;
+	    (ee->ee_ant_control[mode][0] << 4);
 	ah->ah_antenna[mode][AR5K_ANT_FIXED_A] =
 	     ee->ee_ant_control[mode][1] 	|
 	    (ee->ee_ant_control[mode][2] << 6) 	|
@@ -1412,6 +1412,7 @@
 
 	return 0;
 }
+
 /*
  * Read the MAC address from eeprom
  */
@@ -1448,3 +1449,14 @@
 	return 0;
 }
 
+bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah)
+{
+	u16 data;
+
+	ath5k_hw_eeprom_read(ah, AR5K_EEPROM_IS_HB63, &data);
+
+	if ((ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4)) && data)
+		return true;
+	else
+		return false;
+}