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r8152: load the default MAC address
Except for RTL_VER_01, replace loading the MAC address from PLA_IDR with from PLA_BACKUP. The default MAC address may be modified by the other OS, so the PLA_IDR may be not the default MAC address. The data in the PLA_BACKUP address of the RTL_VER_01 may be destoryed, so load MAC address from PLA_IDR for RTL_VER_01. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -889,11 +889,26 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
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static inline void set_ethernet_addr(struct r8152 *tp)
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{
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struct net_device *dev = tp->netdev;
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int ret;
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u8 node_id[8] = {0};
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if (pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id) < 0)
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if (tp->version == RTL_VER_01)
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ret = pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id);
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else
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ret = pla_ocp_read(tp, PLA_BACKUP, sizeof(node_id), node_id);
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if (ret < 0) {
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netif_notice(tp, probe, dev, "inet addr fail\n");
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else {
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} else {
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if (tp->version != RTL_VER_01) {
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ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR,
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CRWECR_CONFIG);
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pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES,
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sizeof(node_id), node_id);
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ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR,
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CRWECR_NORAML);
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}
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memcpy(dev->dev_addr, node_id, dev->addr_len);
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memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
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}
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