ath9k_hw: Eeeprom changes for AR9485

Calibration data are stored at 4k address (0xfff). The cal data
for AR9485 is not compressed so its lengh can exceed 1024 limit,
take care of that.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

@@ -3319,7 +3319,10 @@ static int ar9300_eeprom_restore_internal(struct ath_hw *ah,
 	memcpy(mptr, &ar9300_default, mdata_size);
 
 	read = ar9300_read_eeprom;
-	cptr = AR9300_BASE_ADDR;
+	if (AR_SREV_9485(ah))
+		cptr = AR9300_BASE_ADDR_4K;
+	else
+		cptr = AR9300_BASE_ADDR;
 	ath_dbg(common, ATH_DBG_EEPROM,
 		"Trying EEPROM accesss at Address 0x%04x\n", cptr);
 	if (ar9300_check_eeprom_header(ah, read, cptr))
@@ -3361,7 +3364,8 @@ static int ar9300_eeprom_restore_internal(struct ath_hw *ah,
 		ath_dbg(common, ATH_DBG_EEPROM,
 			"Found block at %x: code=%d ref=%d length=%d major=%d minor=%d\n",
 			cptr, code, reference, length, major, minor);
-		if (length >= 1024) {
+		if ((!AR_SREV_9485(ah) && length >= 1024) ||
+		    (AR_SREV_9485(ah) && length >= (4 * 1024))) {
 			ath_dbg(common, ATH_DBG_EEPROM,
 				"Skipping bad header\n");
 			cptr -= COMP_HDR_LEN;

drivers/net/wireless/ath/ath9k/ar9003_eeprom.h

@@ -78,6 +78,7 @@
 #define AR9300_EEPROM_SIZE (16*1024)
 #define FIXED_CCA_THRESHOLD 15
 
+#define AR9300_BASE_ADDR_4K 0xfff
 #define AR9300_BASE_ADDR 0x3ff
 #define AR9300_BASE_ADDR_512 0x1ff