brcm80211: fmac: remove function brcmf_bus_get_device

brcmf_bus_get_device is no longer necessary. Use dongle device pointer
saved in brcmf_pub directly. This is part of the fullmac bus interface
refactoring.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h

@@ -27,9 +27,6 @@
  * Exported from brcmf bus module (brcmf_usb, brcmf_sdio)
  */
 
-/* obtain linux device object providing bus function */
-extern struct device *brcmf_bus_get_device(struct brcmf_sdio *bus);
-
 /* Stop bus module: clear pending frames, disable data flow */
 extern void brcmf_sdbrcm_bus_stop(struct brcmf_sdio *bus);
 

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

@@ -608,8 +608,7 @@ static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
 
 	sprintf(info->driver, KBUILD_MODNAME);
 	sprintf(info->version, "%lu", drvr_priv->pub.drv_version);
-	sprintf(info->bus_info, "%s",
-		dev_name(brcmf_bus_get_device(drvr_priv->pub.bus)));
+	sprintf(info->bus_info, "%s", dev_name(drvr_priv->pub.dev));
 }
 
 static struct ethtool_ops brcmf_ethtool_ops = {
@@ -1082,10 +1081,7 @@ int brcmf_net_attach(struct brcmf_pub *drvr, int ifidx)
 
 	/* attach to cfg80211 for primary interface */
 	if (!ifidx) {
-		drvr->config =
-			brcmf_cfg80211_attach(ndev,
-					      brcmf_bus_get_device(drvr->bus),
-					      drvr);
+		drvr->config = brcmf_cfg80211_attach(ndev, drvr->dev, drvr);
 		if (drvr->config == NULL) {
 			brcmf_dbg(ERROR, "wl_cfg80211_attach failed\n");
 			goto fail;

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

@@ -3999,11 +3999,6 @@ void brcmf_sdbrcm_disconnect(void *ptr)
 	brcmf_dbg(TRACE, "Disconnected\n");
 }
 
-struct device *brcmf_bus_get_device(struct brcmf_sdio *bus)
-{
-	return &bus->sdiodev->func[2]->dev;
-}
-
 void
 brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick)
 {