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authorLuciano Coelho <coelho@ti.com>2013-05-08 13:54:56 +0400
committerLuciano Coelho <coelho@ti.com>2013-06-17 13:03:41 +0400
commitbc2ab3b850a8c563b3910f396e5f0753ce855134 (patch)
treeaeeab46795fe3305685df2b6955e9d80f0eb0fef /drivers/net/wireless/ti/wl18xx
parent6f0b1bb2ba2b1df781c64fff645c3fe0495b8161 (diff)
downloadlinux-bc2ab3b850a8c563b3910f396e5f0753ce855134.tar.xz
wl18xx: use locally administered MAC address if not available from fuse
In some R&D chips, the device may be left untrimmed and with the MAC address missing from fuse ROM. In order to support those devices, apply a random locally administered MAC address instead. Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti/wl18xx')
-rw-r--r--drivers/net/wireless/ti/wl18xx/main.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index ae85ae46c61b..7aa0eb848c5a 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/ip.h>
#include <linux/firmware.h>
+#include <linux/etherdevice.h>
#include "../wlcore/wlcore.h"
#include "../wlcore/debug.h"
@@ -1318,6 +1319,16 @@ static int wl18xx_get_mac(struct wl1271 *wl)
((mac1 & 0xff000000) >> 24);
wl->fuse_nic_addr = (mac1 & 0xffffff);
+ if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
+ u8 mac[ETH_ALEN];
+
+ eth_random_addr(mac);
+
+ wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
+ wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
+ wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
+ }
+
ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
out: