net, of: fixup MAC address by alias
If a network device has not been registered from the devicetree, we may still find it by its alias in the devicetree. This way also platform based network devices can obtain a valid MAC address in the devicetree. Signed-off-by: Renaud Barbier <renaud.barbier@ge.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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parent
da19582070
commit
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24
net/eth.c
24
net/eth.c
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@ -273,7 +273,7 @@ static int eth_set_ethaddr(struct device_d *dev, struct param_d *param, const ch
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return 0;
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return 0;
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}
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}
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#ifdef CONFIG_OFDEVICE
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#ifdef CONFIG_OFTREE
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static int eth_of_fixup(struct device_node *root)
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static int eth_of_fixup(struct device_node *root)
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{
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{
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struct eth_device *edev;
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struct eth_device *edev;
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@ -285,21 +285,23 @@ static int eth_of_fixup(struct device_node *root)
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* find a nodepath for and which has a valid mac address.
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* find a nodepath for and which has a valid mac address.
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*/
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*/
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list_for_each_entry(edev, &netdev_list, list) {
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list_for_each_entry(edev, &netdev_list, list) {
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if (!edev->nodepath) {
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dev_dbg(&edev->dev, "%s: no node to fixup\n", __func__);
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continue;
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}
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if (!is_valid_ether_addr(edev->ethaddr)) {
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if (!is_valid_ether_addr(edev->ethaddr)) {
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dev_dbg(&edev->dev, "%s: no valid mac address, cannot fixup\n",
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dev_dbg(&edev->dev,
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__func__);
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"%s: no valid mac address, cannot fixup\n",
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__func__);
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continue;
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continue;
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}
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}
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node = of_find_node_by_path_from(root, edev->nodepath);
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if (edev->nodepath) {
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node = of_find_node_by_path_from(root, edev->nodepath);
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} else {
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char eth[12];
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sprintf(eth, "ethernet%d", edev->dev.id);
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node = of_find_node_by_alias(root, eth);
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}
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if (!node) {
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if (!node) {
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dev_dbg(&edev->dev, "%s: fixup node %s not found\n",
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dev_dbg(&edev->dev, "%s: no node to fixup\n", __func__);
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__func__, edev->nodepath);
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continue;
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continue;
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}
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}
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