[PATCH v2 4/5] net: dwc_eth_qos: Implement bind() for PCI devices
Philip Oberfichtner
pro at denx.de
Thu Jun 6 11:22:06 CEST 2024
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 at 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 34e29301cc..2eeaccc800 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
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