Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=39e75857d08fe35ffad4dd9004580acf0d725b75
Commit:     39e75857d08fe35ffad4dd9004580acf0d725b75
Parent:     addc81bd428f9eb29ed2ab64ad4039c6aed55aea
Author:     Ivo van Doorn <[EMAIL PROTECTED]>
AuthorDate: Sat Oct 13 16:26:27 2007 +0200
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 15:02:52 2008 -0800

    [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 <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 drivers/net/wireless/rt2x00/rt2400pci.c |   16 ++++++++++++++--
 drivers/net/wireless/rt2x00/rt2500pci.c |   26 ++++++++++++++++----------
 drivers/net/wireless/rt2x00/rt2500usb.c |   16 ++++++++++++++--
 drivers/net/wireless/rt2x00/rt61pci.c   |   16 ++++++++++++++--
 drivers/net/wireless/rt2x00/rt73usb.c   |   16 ++++++++++++++--
 5 files changed, 72 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c 
b/drivers/net/wireless/rt2x00/rt2400pci.c
index 2284cb3..5b3adba 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -409,13 +409,19 @@ static void rt2400pci_config_antenna(struct rt2x00_dev 
*rt2x00dev,
         * Configure the TX antenna.
         */
        switch (ant->tx) {
-       case ANTENNA_SW_DIVERSITY:
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 1);
                break;
        case ANTENNA_A:
                rt2x00_set_field8(&r1, BBP_R1_TX_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(&r1, BBP_R1_TX_ANTENNA, 2);
                break;
@@ -425,13 +431,19 @@ static void rt2400pci_config_antenna(struct rt2x00_dev 
*rt2x00dev,
         * Configure the RX antenna.
         */
        switch (ant->rx) {
-       case ANTENNA_SW_DIVERSITY:
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
                break;
        case ANTENNA_A:
                rt2x00_set_field8(&r4, BBP_R4_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(&r4, BBP_R4_RX_ANTENNA, 2);
                break;
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c 
b/drivers/net/wireless/rt2x00/rt2500pci.c
index a9872f9..958b148 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -438,17 +438,19 @@ static void rt2500pci_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, 2);
-               rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
-               rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
-               break;
        case ANTENNA_A:
                rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
                rt2x00_set_field32(&reg, BBPCSR1_CCK, 0);
                rt2x00_set_field32(&reg, BBPCSR1_OFDM, 0);
                break;
+       case ANTENNA_HW_DIVERSITY:
+       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_field32(&reg, BBPCSR1_CCK, 2);
@@ -460,13 +462,17 @@ static void rt2500pci_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, 2);
-               break;
        case ANTENNA_A:
                rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
                break;
+       case ANTENNA_HW_DIVERSITY:
+       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;
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c 
b/drivers/net/wireless/rt2x00/rt2500usb.c
index 31531f7..60f7290 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;
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c 
b/drivers/net/wireless/rt2x00/rt61pci.c
index b644a66..aebc963 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -425,7 +425,6 @@ static void rt61pci_config_antenna_5x(struct rt2x00_dev 
*rt2x00dev,
                          !rt2x00_rf(&rt2x00dev->chip, RF5225));
 
        switch (ant->rx) {
-       case ANTENNA_SW_DIVERSITY:
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
                rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
@@ -440,6 +439,13 @@ static void rt61pci_config_antenna_5x(struct rt2x00_dev 
*rt2x00dev,
                else
                        rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
                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(&r4, BBP_R4_RX_ANTENNA, 1);
                rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
@@ -473,7 +479,6 @@ static void rt61pci_config_antenna_2x(struct rt2x00_dev 
*rt2x00dev,
                          !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
 
        switch (ant->rx) {
-       case ANTENNA_SW_DIVERSITY:
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
                break;
@@ -481,6 +486,13 @@ static void rt61pci_config_antenna_2x(struct rt2x00_dev 
*rt2x00dev,
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
                rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
                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(&r4, BBP_R4_RX_ANTENNA, 1);
                rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c 
b/drivers/net/wireless/rt2x00/rt73usb.c
index 92c7896..1832421 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -409,7 +409,6 @@ static void rt73usb_config_antenna_5x(struct rt2x00_dev 
*rt2x00dev,
        rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 
        switch (ant->rx) {
-       case ANTENNA_SW_DIVERSITY:
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
                rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
@@ -424,6 +423,13 @@ static void rt73usb_config_antenna_5x(struct rt2x00_dev 
*rt2x00dev,
                else
                        rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
                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(&r4, BBP_R4_RX_ANTENNA, 1);
                rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
@@ -456,7 +462,6 @@ static void rt73usb_config_antenna_2x(struct rt2x00_dev 
*rt2x00dev,
                          !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
 
        switch (ant->rx) {
-       case ANTENNA_SW_DIVERSITY:
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
                break;
@@ -464,6 +469,13 @@ static void rt73usb_config_antenna_2x(struct rt2x00_dev 
*rt2x00dev,
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
                rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
                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(&r4, BBP_R4_RX_ANTENNA, 1);
                rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
-
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