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

[pandora-kernel.git] / drivers / net / wireless / rt2x00 / rt2500usb.c

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index db64df4..6e94356 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -494,24 +494,34 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 }
 
 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
-                                struct rt2x00lib_erp *erp)
+                                struct rt2x00lib_erp *erp,
+                                u32 changed)
 {
        u16 reg;
 
-       rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
-       rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
-                          !!erp->short_preamble);
-       rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
+       if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+               rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
+               rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
+                                  !!erp->short_preamble);
+               rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
+       }
 
-       rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates);
+       if (changed & BSS_CHANGED_BASIC_RATES)
+               rt2500usb_register_write(rt2x00dev, TXRX_CSR11,
+                                        erp->basic_rates);
 
-       rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
-       rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL, erp->beacon_int * 4);
-       rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
+       if (changed & BSS_CHANGED_BEACON_INT) {
+               rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
+               rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
+                                  erp->beacon_int * 4);
+               rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
+       }
 
-       rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
-       rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
-       rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
+       if (changed & BSS_CHANGED_ERP_SLOT) {
+               rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
+               rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
+               rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
+       }
 }
 
 static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,