rt2x00: Split EEPROM_NIC_TX_RX_FIXED

The 2 bits in EEPROM_NIC_TX_RX_FIXED each influence
a different antenna. We might as well split the
definition and directly read the correct bit.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 8 insertions, 20 deletions

diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index ed829879c941..875bcdcf6bc8 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2230,7 +2230,8 @@ static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
         if (word == 0xffff) {
                 rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0);
                 rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0);
-                rt2x00_set_field16(&word, EEPROM_NIC_TX_RX_FIXED, 0);
+                rt2x00_set_field16(&word, EEPROM_NIC_RX_FIXED, 0);
+                rt2x00_set_field16(&word, EEPROM_NIC_TX_FIXED, 0);
                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
@@ -2374,24 +2375,10 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
          */
         if (rt2x00_rf(&rt2x00dev->chip, RF2529) &&
             !test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) {
-                switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) {
-                case 0:
-                        rt2x00dev->default_ant.tx = ANTENNA_B;
-                        rt2x00dev->default_ant.rx = ANTENNA_A;
-                        break;
-                case 1:
-                        rt2x00dev->default_ant.tx = ANTENNA_B;
-                        rt2x00dev->default_ant.rx = ANTENNA_B;
-                        break;
-                case 2:
-                        rt2x00dev->default_ant.tx = ANTENNA_A;
-                        rt2x00dev->default_ant.rx = ANTENNA_A;
-                        break;
-                case 3:
-                        rt2x00dev->default_ant.tx = ANTENNA_A;
-                        rt2x00dev->default_ant.rx = ANTENNA_B;
-                        break;
-                }
+                rt2x00dev->default_ant.rx =
+                    ANTENNA_A + rt2x00_get_field16(eeprom, EEPROM_NIC_RX_FIXED);
+                rt2x00dev->default_ant.tx =
+                    ANTENNA_B - rt2x00_get_field16(eeprom, EEPROM_NIC_TX_FIXED);
 
                 if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY))
                         rt2x00dev->default_ant.tx = ANTENNA_SW_DIVERSITY;
diff --git a/drivers/net/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h
index 86590c6de0ef..cd86def8de53 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.h
+++ b/drivers/net/wireless/rt2x00/rt61pci.h
@@ -1190,7 +1190,8 @@ struct hw_pairwise_ta_entry {
 #define EEPROM_NIC                      0x0011
 #define EEPROM_NIC_ENABLE_DIVERSITY     FIELD16(0x0001)
 #define EEPROM_NIC_TX_DIVERSITY         FIELD16(0x0002)
-#define EEPROM_NIC_TX_RX_FIXED          FIELD16(0x000c)
+#define EEPROM_NIC_RX_FIXED             FIELD16(0x0004)
+#define EEPROM_NIC_TX_FIXED             FIELD16(0x0008)
 #define EEPROM_NIC_EXTERNAL_LNA_BG      FIELD16(0x0010)
 #define EEPROM_NIC_CARDBUS_ACCEL        FIELD16(0x0020)
 #define EEPROM_NIC_EXTERNAL_LNA_A       FIELD16(0x0040)