net: ethernet: cpsw: Search childs for slave nodes

The current implementation searches the whole DT for nodes named
"slave".

This patch changes it to search only child nodes for slaves.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 79974e31187a..5df50a96a1da 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1782,7 +1782,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
         if (ret)
                 pr_warn("Doesn't have any child node\n");
 
-        for_each_node_by_name(slave_node, "slave") {
+        for_each_child_of_node(node, slave_node) {
                 struct cpsw_slave_data *slave_data = data->slave_data + i;
                 const void *mac_addr = NULL;
                 u32 phyid;
@@ -1791,6 +1791,10 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
                 struct device_node *mdio_node;
                 struct platform_device *mdio;
 
+                /* This is no slave child node, continue */
+                if (strcmp(slave_node->name, "slave"))
+                        continue;
+
                 parp = of_get_property(slave_node, "phy_id", &lenp);
                 if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {
                         pr_err("Missing slave[%d] phy_id property\n", i);