}
 
 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
-                                    const int phymode,
                                     const int basic_rate_mask)
 {
        rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
-
-       if (phymode == HWMODE_B) {
-               rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x000b);
-               rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x0040);
-       } else {
-               rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0005);
-               rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x016c);
-       }
 }
 
 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
        u16 reg;
 
        rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
+       rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
+       rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
 
        rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
        rt2x00_set_field16(®, TXRX_CSR18_INTERVAL,
                             const unsigned int flags)
 {
        if (flags & CONFIG_UPDATE_PHYMODE)
-               rt2500usb_config_phymode(rt2x00dev, libconf->phymode,
-                                        libconf->basic_rates);
+               rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
        if (flags & CONFIG_UPDATE_CHANNEL)
                rt2500usb_config_channel(rt2x00dev, &libconf->rf,
                                         libconf->conf->power_level);
 
  * Misc MAC_CSR registers.
  * MAC_CSR9: Timer control.
  * MAC_CSR10: Slot time.
- * MAC_CSR11: IFS.
+ * MAC_CSR11: SIFS.
  * MAC_CSR12: EIFS.
  * MAC_CSR13: Power mode0.
  * MAC_CSR14: Power mode1.
 
        return (struct rt2x00_intf *)vif->drv_priv;
 }
 
-#define HWMODE_B       0
-#define HWMODE_G       1
-#define HWMODE_A       2
-
 /*
  * Details about the supported modes, rates and channels
  * of a particular chipset. This is used by rt2x00lib
 
        struct antenna_setup ant;
 
-       int phymode;
+       enum ieee80211_band band;
 
        int basic_rates;
        int slot_time;
 
        memset(&libconf, 0, sizeof(libconf));
 
        if (flags & CONFIG_UPDATE_PHYMODE) {
-               switch (conf->channel->band) {
-               case IEEE80211_BAND_5GHZ:
-                       libconf.phymode = HWMODE_A;
-                       break;
-               case IEEE80211_BAND_2GHZ:
-                       /* Uh oh. what about B? */
-                       libconf.phymode = HWMODE_G;
-                       break;
-               default:
-                       ERROR(rt2x00dev,
-                             "Attempt to configure unsupported mode (%d)"
-                             "Defaulting to 802.11b", conf->channel->band);
-                       libconf.phymode = HWMODE_B;
-               }
-
                band = &rt2x00dev->bands[conf->channel->band];
                rate = &band->bitrates[band->n_bitrates - 1];
+
+               libconf.band = conf->channel->band;
                libconf.basic_rates = rt2x00_get_rate(rate->hw_value)->ratemask;
        }
 
 
         * Rates: CCK.
         * Channels: 2.4 GHz
         */
-       if (spec->num_modes > HWMODE_B) {
+       if (spec->num_modes > 0) {
                sbands[IEEE80211_BAND_2GHZ].n_channels = 14;
                sbands[IEEE80211_BAND_2GHZ].n_bitrates = 4;
                sbands[IEEE80211_BAND_2GHZ].channels = channels;
         * Rates: CCK, OFDM.
         * Channels: 2.4 GHz
         */
-       if (spec->num_modes > HWMODE_G) {
+       if (spec->num_modes > 1) {
                sbands[IEEE80211_BAND_2GHZ].n_channels = 14;
                sbands[IEEE80211_BAND_2GHZ].n_bitrates = spec->num_rates;
                sbands[IEEE80211_BAND_2GHZ].channels = channels;
         * Rates: OFDM.
         * Channels: OFDM, UNII, HiperLAN2.
         */
-       if (spec->num_modes > HWMODE_A) {
+       if (spec->num_modes > 2) {
                sbands[IEEE80211_BAND_5GHZ].n_channels = spec->num_channels - 14;
                sbands[IEEE80211_BAND_5GHZ].n_bitrates = spec->num_rates - 4;
                sbands[IEEE80211_BAND_5GHZ].channels = &channels[14];