[PATCH] rt2x00: SW diversity should default to antenna B

Although ANTENNA_SW_DIVERSITY should never be send
to the driver, we should still handle it to prevent bugs.
But instead of defaulting to ANTENNA_HW_DIVERSITY we
should default to ANTENNA_B instead.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 31531f7cc12..60f72904442 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -401,7 +401,6 @@ static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
          * Configure the TX antenna.
          */
         switch (ant->tx) {
-        case ANTENNA_SW_DIVERSITY:
         case ANTENNA_HW_DIVERSITY:
                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
@@ -412,6 +411,13 @@ static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
                 break;
+        case ANTENNA_SW_DIVERSITY:
+                /*
+                 * NOTE: We should never come here because rt2x00lib is
+                 * supposed to catch this and send us the correct antenna
+                 * explicitely. However we are nog going to bug about this.
+                 * Instead, just default to antenna B.
+                 */
         case ANTENNA_B:
                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
@@ -423,13 +429,19 @@ static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
          * Configure the RX antenna.
          */
         switch (ant->rx) {
-        case ANTENNA_SW_DIVERSITY:
         case ANTENNA_HW_DIVERSITY:
                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
                 break;
         case ANTENNA_A:
                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
                 break;
+        case ANTENNA_SW_DIVERSITY:
+                /*
+                 * NOTE: We should never come here because rt2x00lib is
+                 * supposed to catch this and send us the correct antenna
+                 * explicitely. However we are nog going to bug about this.
+                 * Instead, just default to antenna B.
+                 */
         case ANTENNA_B:
                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
                 break;