REG_MARL
addr[ETH_ALEN - i - 1] = ks8842_read8(adapter, 2, REG_MARL + i);
mac = ks8842_read16(adapter, 2, REG_MARL);
mac = ks8842_read16(adapter, 2, REG_MARL);
ks8842_write8(adapter, 2, mac[ETH_ALEN - i - 1], REG_MARL + i);
mac = ks8842_read16(adapter, 2, REG_MARL);