brcmfmac: remove unused iswl variable.

Variable iswl always gets initialised to the same and support for
this var is not needed.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@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.h

@@ -629,7 +629,6 @@ struct brcmf_pub {
 	u8 wme_dp;		/* wme discard priority */
 
 	/* Dongle media info */
-	bool iswl;		/* Dongle-resident driver is wl */
 	unsigned long drv_version;	/* Version of dongle-resident driver */
 	u8 mac[ETH_ALEN];		/* MAC address obtained from dongle */
 

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

@@ -481,9 +481,6 @@ int brcmf_proto_init(struct brcmf_pub *drvr)
 
 	ret = brcmf_c_preinit_dcmds(drvr);
 
-	/* Always assumes wl for now */
-	drvr->iswl = true;
-
 	return ret;
 }
 

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

@@ -619,12 +619,9 @@ static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr)
 			brcmf_dbg(ERROR, "dongle is not up\n");
 			return -ENODEV;
 		}
-
 		/* finally, report dongle driver type */
-		else if (drvr->iswl)
-			sprintf(info.driver, "wl");
 		else
-			sprintf(info.driver, "xx");
+			sprintf(info.driver, "wl");
 
 		sprintf(info.version, "%lu", drvr->drv_version);
 		if (copy_to_user(uaddr, &info, sizeof(info)))
@@ -734,11 +731,6 @@ s32 brcmf_exec_dcmd(struct net_device *ndev, u32 cmd, void *arg, u32 len)
 		goto done;
 	}
 
-	if (!drvr->iswl) {
-		err = -EIO;
-		goto done;
-	}
-
 	/*
 	 * Intercept BRCMF_C_SET_KEY CMD - serialize M4 send and
 	 * set key CMD to prevent M4 encryption.

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

@@ -28,7 +28,7 @@ extern int brcmf_proto_attach(struct brcmf_pub *drvr);
 extern void brcmf_proto_detach(struct brcmf_pub *drvr);
 
 /* Initialize protocol: sync w/dongle state.
- * Sets dongle media info (iswl, drv_version, mac address).
+ * Sets dongle media info (drv_version, mac address).
  */
 extern int brcmf_proto_init(struct brcmf_pub *drvr);