ath5k: remove static calibration interval variable

Remove static variable ath5k_calinterval which was used as a constant. Use a
#define instead. Also we don't need ah_cal_intval.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath5k/ath5k.h

@@ -202,6 +202,7 @@
 #define AR5K_TUNE_MAX_TXPOWER			63
 #define AR5K_TUNE_DEFAULT_TXPOWER		25
 #define AR5K_TUNE_TPC_TXPOWER			false
+#define ATH5K_TUNE_CALIBRATION_INTERVAL_FULL    10000   /* 10 sec */
 
 #define AR5K_INIT_CARR_SENSE_EN			1
 
@@ -1101,9 +1102,6 @@ struct ath5k_hw {
 	/* Calibration timestamp */
 	unsigned long		ah_cal_tstamp;
 
-	/* Calibration interval (secs) */
-	u8			ah_cal_intval;
-
 	/* Software interrupt mask */
 	u8			ah_swi_mask;
 

drivers/net/wireless/ath/ath5k/base.c

@@ -59,7 +59,6 @@
 #include "reg.h"
 #include "debug.h"
 
-static u8 ath5k_calinterval = 10; /* Calibrate PHY every 10 secs (TODO: Fixme) */
 static int modparam_nohwcrypt;
 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
@@ -2497,9 +2496,6 @@ ath5k_init(struct ath5k_softc *sc)
 	 */
 	ath5k_stop_locked(sc);
 
-	/* Set PHY calibration interval */
-	ah->ah_cal_intval = ath5k_calinterval;
-
 	/*
 	 * The basic interface to setting the hardware in a good
 	 * state is ``reset''.  On return the hardware is known to

drivers/net/wireless/ath/ath5k/phy.c

@@ -1108,7 +1108,7 @@ ath5k_hw_calibration_poll(struct ath5k_hw *ah)
 	/* Calibration interval in jiffies */
 	unsigned long cal_intval;
 
-	cal_intval = msecs_to_jiffies(ah->ah_cal_intval * 1000);
+	cal_intval = msecs_to_jiffies(ATH5K_TUNE_CALIBRATION_INTERVAL_FULL);
 
 	/* Initialize timestamp if needed */
 	if (!ah->ah_cal_tstamp)