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wl18xx: use locally administered MAC address if not available from fuse

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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>
This commit is contained in:
Luciano Coelho 2013-05-08 12:54:56 +03:00
parent 6f0b1bb2ba
commit bc2ab3b850
1 changed files with 11 additions and 0 deletions
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11
drivers/net/wireless/ti/wl18xx/main.c
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@ -23,6 +23,7 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/ip.h> #include <linux/ip.h>
#include <linux/firmware.h> #include <linux/firmware.h>
#include <linux/etherdevice.h>
#include "../wlcore/wlcore.h" #include "../wlcore/wlcore.h"
#include "../wlcore/debug.h" #include "../wlcore/debug.h"
@ -1318,6 +1319,16 @@ static int wl18xx_get_mac(struct wl1271 *wl)
((mac1 & 0xff000000) >> 24); ((mac1 & 0xff000000) >> 24);
wl->fuse_nic_addr = (mac1 & 0xffffff); 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]); ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
out: out: