staging: brcm80211: use mac_pton() instead of own implementation

The function brcmu_ether_atoe() does exactly the same as mac_pton().
The driver now uses the latter and brcmu_ether_atoe() has been removed
as it is not used anymore.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmsmac/main.c

@@ -15,6 +15,7 @@
  */
 
 #include <linux/pci_ids.h>
+#include <linux/if_ether.h>
 #include <net/mac80211.h>
 #include <brcm_hw_ids.h>
 #include <aiutils.h>
@@ -4584,8 +4585,8 @@ int brcms_b_attach(struct brcms_c_info *wlc, u16 vendor, u16 device, uint unit,
 		err = 21;
 		goto fail;
 	}
-	brcmu_ether_atoe(macaddr, wlc_hw->etheraddr);
-	if (is_broadcast_ether_addr(wlc_hw->etheraddr) ||
+	if (!mac_pton(macaddr, wlc_hw->etheraddr) ||
+	    is_broadcast_ether_addr(wlc_hw->etheraddr) ||
 	    is_zero_ether_addr(wlc_hw->etheraddr)) {
 		wiphy_err(wiphy, "wl%d: brcms_b_attach: bad macaddr %s\n",
 			  unit, macaddr);

drivers/staging/brcm80211/brcmutil/utils.c

@@ -350,21 +350,6 @@ struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp,
 }
 EXPORT_SYMBOL(brcmu_pktq_mdeq);
 
-/* parse a xx:xx:xx:xx:xx:xx format ethernet address */
-int brcmu_ether_atoe(char *p, u8 *ea)
-{
-	int i = 0;
-
-	for (;;) {
-		ea[i++] = (char)simple_strtoul(p, &p, 16);
-		if (!*p++ || i == 6)
-			break;
-	}
-
-	return i == 6;
-}
-EXPORT_SYMBOL(brcmu_ether_atoe);
-
 #if defined(BCMDBG)
 /* pretty hex print a pkt buffer chain */
 void brcmu_prpkt(const char *msg, struct sk_buff *p0)

drivers/staging/brcm80211/include/brcmu_utils.h

@@ -133,9 +133,6 @@ extern uint brcmu_pktfrombuf(struct sk_buff *p,
 	uint offset, int len, unsigned char *buf);
 extern uint brcmu_pkttotlen(struct sk_buff *p);
 
-/* ethernet address */
-extern int brcmu_ether_atoe(char *p, u8 *ea);
-
 /* ip address */
 struct ipv4_addr;