[PATCH 4/5] net: dwc_eth_qos: Implement bind() for PCI devices

[Philip Oberfichtner <pro@denx.de>]

PCI devices do not necessarily use a device tree. Implement a bind()
function to assign unique device names in that case.

Signed-off-by: Philip Oberfichtner <pro@denx.de>
---
 drivers/net/dwc_eth_qos.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index 36412d1c83..fdd64f074a 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -1376,6 +1376,21 @@ static int eqos_remove_resources_tegra186(struct udevice *dev)
 	return 0;
 }
 
+static int eqos_bind(struct udevice *dev)
+{
+	static int dev_num;
+	const size_t name_sz = 16;
+	char name[name_sz];
+
+	/* Device name defaults to DT node name. */
+	if (ofnode_valid(dev_ofnode(dev)))
+		return 0;
+
+	/* Assign unique names in case there is no DT node. */
+	snprintf(name, name_sz, "eth_eqos#%d", dev_num++);
+	return device_set_name(dev, name);
+}
+
 /*
  * Get driver data based on the device tree. Boards not using a device tree can
  * overwrite this function.
@@ -1597,6 +1612,7 @@ U_BOOT_DRIVER(eth_eqos) = {
 	.name = "eth_eqos",
 	.id = UCLASS_ETH,
 	.of_match = of_match_ptr(eqos_ids),
+	.bind	= eqos_bind,
 	.probe = eqos_probe,
 	.remove = eqos_remove,
 	.ops = &eqos_ops,
-- 
2.39.2