By defining rt73usb_get_tsf to NULL we only
have 1 location that needs to be edited
when rt73usb_get_tsf can be enabled again.
This also reduces the number of #ifdefs in
the code which is also a "good thing"
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 
        return tsf;
 }
+#else
+#define rt73usb_get_tsf        NULL
 #endif
 
 static void rt73usb_reset_tsf(struct ieee80211_hw *hw)
        .erp_ie_changed         = rt2x00mac_erp_ie_changed,
        .conf_tx                = rt2x00mac_conf_tx,
        .get_tx_stats           = rt2x00mac_get_tx_stats,
-#if 0
-/*
- * See comment at the rt73usb_get_tsf function.
- */
        .get_tsf                = rt73usb_get_tsf,
-#endif
        .reset_tsf              = rt73usb_reset_tsf,
        .beacon_update          = rt73usb_beacon_update,
 };