Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / drivers / net / wireless / rt2x00 / rt73usb.c

diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 87fb220..e22f01c 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -545,7 +545,8 @@ static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
 }
 
 static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
-                              struct rt2x00lib_erp *erp)
+                              struct rt2x00lib_erp *erp,
+                              u32 changed)
 {
        u32 reg;
 
@@ -554,28 +555,36 @@ static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
        rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
        rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 
-       rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
-       rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
-       rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
-                          !!erp->short_preamble);
-       rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+       if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+               rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
+               rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
+               rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
+                                  !!erp->short_preamble);
+               rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+       }
 
-       rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates);
+       if (changed & BSS_CHANGED_BASIC_RATES)
+               rt2x00usb_register_write(rt2x00dev, TXRX_CSR5,
+                                        erp->basic_rates);
 
-       rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
-       rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
-                          erp->beacon_int * 16);
-       rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+       if (changed & BSS_CHANGED_BEACON_INT) {
+               rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+               rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
+                                  erp->beacon_int * 16);
+               rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+       }
 
-       rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
-       rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
-       rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
+       if (changed & BSS_CHANGED_ERP_SLOT) {
+               rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
+               rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
+               rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
 
-       rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
-       rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
-       rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
-       rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
-       rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
+               rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
+               rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
+               rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
+               rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
+               rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
+       }
 }
 
 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,