netdev - [PATCH net 2/2] net: ethernet: renesas: rswitch: Fix getting mac address from device tree

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Date:   Mon, 26 Dec 2022 16:13:28 +0900
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc:     netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Subject: [PATCH net 2/2] net: ethernet: renesas: rswitch: Fix getting mac address from device tree

To get mac address from device tree which is from each ethernet-port,
fix the first argument of of_get_ethdev_address().

Fixes: 3590918b5d07 ("net: ethernet: renesas: Add support for "Ethernet Switch"")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
---
 drivers/net/ethernet/renesas/rswitch.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
index 473d86bdf97d..6441892636db 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -1578,6 +1578,7 @@ static int rswitch_device_alloc(struct rswitch_private *priv, int index)
 {
 	struct platform_device *pdev = priv->pdev;
 	struct rswitch_device *rdev;
+	struct device_node *port;
 	struct net_device *ndev;
 	int err;
 
@@ -1606,7 +1607,9 @@ static int rswitch_device_alloc(struct rswitch_private *priv, int index)
 
 	netif_napi_add(ndev, &rdev->napi, rswitch_poll);
 
-	err = of_get_ethdev_address(pdev->dev.of_node, ndev);
+	port = rswitch_get_port_node(rdev);
+	err = of_get_ethdev_address(port, ndev);
+	of_node_put(port);
 	if (err) {
 		if (is_valid_ether_addr(rdev->etha->mac_addr))
 			eth_hw_addr_set(ndev, rdev->etha->mac_addr);
-- 
2.25.1