brcm80211: fmac: allow wd timer to be disabled when bus down

Watchdog timer should be able to be stopped even firmware is not
loaded.
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NFranky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c

@@ -4579,10 +4579,6 @@ struct device *brcmf_bus_get_device(struct brcmf_bus *bus)
 void
 brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
 {
-	/* don't start the wd until fw is loaded */
-	if (bus->drvr->busstate == BRCMF_BUS_DOWN)
-		return;
-
 	/* Totally stop the timer */
 	if (!wdtick && bus->wd_timer_valid == true) {
 		del_timer_sync(&bus->timer);
@@ -4591,6 +4587,10 @@ brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
 		return;
 	}
 
+	/* don't start the wd until fw is loaded */
+	if (bus->drvr->busstate == BRCMF_BUS_DOWN)
+		return;
+
 	if (wdtick) {
 		if (bus->save_ms != BRCMF_WD_POLL_MS) {
 			if (bus->wd_timer_valid == true)