staging: brcm80211: remove global variable brcmf_radio_up from fullmac

Remove unnecessary global variable
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/dhd.h

@@ -673,9 +673,6 @@ extern uint brcmf_arp_mode;
 /* ARP offload enable */
 extern uint brcmf_arp_enable;
 
-/* Roaming mode control */
-extern uint brcmf_radio_up;
-
 /* Override to force tx queueing all the time */
 extern uint brcmf_force_tx_queueing;
 

drivers/staging/brcm80211/brcmfmac/dhd_common.c

@@ -845,9 +845,7 @@ int brcmf_c_preinit_ioctls(struct brcmf_pub *drvr)
 				  sizeof(iovbuf));
 
 	/* Force STA UP */
-	if (brcmf_radio_up)
-		brcmf_proto_cdc_set_ioctl(drvr, 0, BRCMF_C_UP, (char *)&up,
-					  sizeof(up));
+	brcmf_proto_cdc_set_ioctl(drvr, 0, BRCMF_C_UP, (char *)&up, sizeof(up));
 
 	/* Setup event_msgs */
 	brcmu_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN,

drivers/staging/brcm80211/brcmfmac/dhd_linux.c

@@ -98,9 +98,6 @@ module_param(brcmf_arp_mode, uint, 0);
 uint brcmf_arp_enable = true;
 module_param(brcmf_arp_enable, uint, 0);
 
-/* Control radio state */
-uint brcmf_radio_up = 1;
-
 /* Network inteface name */
 char iface_name[IFNAMSIZ] = "wlan";
 module_param_string(iface_name, iface_name, IFNAMSIZ, 0);