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efuse: another work around to fix mac

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Change-Id: I25134a672221415433418f71917db073d51cc03f
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
This commit is contained in:
Dongjin Kim
2015-01-13 23:08:05 +09:00
parent 96686b386f
commit e36a1b9db2
1 changed files with 16 additions and 7 deletions
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23
drivers/amlogic/efuse/efuse.c
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@@ -246,6 +246,7 @@ static char *aml_efuse_mac(void)
{
char hwmac[20];
char buf[80];
char mac_mask;
efuseinfo_item_t info;
if (efuse_getinfo_byID(EFUSE_MAC_ID, &info) < 0)
@@ -258,14 +259,22 @@ static char *aml_efuse_mac(void)
sprintf(hwmac, "%02x:%02x:%02x:%02x:%02x:%02x",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
info.data_len = 16;
info.offset = 4;
efuse_read_item(buf, info.data_len,
(loff_t*)&info.offset);
mac_mask = buf[3] & 0xf0;
if ((0x00 == mac_mask)
|| ((0xa0 <= mac_mask) && (mac_mask <= 0xc0))) {
info.data_len = 16;
info.offset = 4;
efuse_read_item(buf, info.data_len,
(loff_t*)&info.offset);
sprintf(hwmac + 10, "%c:%c%c:%c%c",
MACCHAR(buf[11]), MACCHAR(buf[12]), MACCHAR(buf[13]),
MACCHAR(buf[14]), MACCHAR(buf[15]));
if (0x00 == mac_mask) {
hwmac[9] = MACCHAR(buf[5]);
}
sprintf(hwmac + 10, "%c:%c%c:%c%c",
MACCHAR(buf[11]), MACCHAR(buf[12]), MACCHAR(buf[13]),
MACCHAR(buf[14]), MACCHAR(buf[15]));
}
return hwmac;
}