[PATCH v2] net: octeontx: smi: use dt live tree API

[Tim Harvey]

clean up octeontx_smi_probe by using the live-tree API.

Signed-off-by: Tim Harvey <tharvey at gateworks.com>
Reviewed-by: Stefan Roese <sr at denx.de>
---
v2: added reviewed-by tag
---
 drivers/net/octeontx/smi.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/net/octeontx/smi.c b/drivers/net/octeontx/smi.c
index 27f4423c6a..d70fa820c7 100644
--- a/drivers/net/octeontx/smi.c
+++ b/drivers/net/octeontx/smi.c
@@ -314,10 +314,12 @@ read_error:
 
 int octeontx_smi_probe(struct udevice *dev)
 {
-	int ret, subnode, cnt = 0, node = dev_ofnode(dev).of_offset;
-	struct mii_dev *bus;
-	struct octeontx_smi_priv *priv;
 	pci_dev_t bdf = dm_pci_get_bdf(dev);
+	struct octeontx_smi_priv *priv;
+	struct mii_dev *bus;
+	int ret, cnt = 0;
+	ofnode subnode;
+	u64 baseaddr;
 
 	debug("SMI PCI device: %x\n", bdf);
 	if (!dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, PCI_REGION_MEM)) {
@@ -325,14 +327,12 @@ int octeontx_smi_probe(struct udevice *dev)
 		return -1;
 	}
 
-	node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
-					     "cavium,thunder-8890-mdio-nexus");
-	fdt_for_each_subnode(subnode, gd->fdt_blob, node) {
-		ret = fdt_node_check_compatible(gd->fdt_blob, subnode,
-						"cavium,thunder-8890-mdio");
-		if (ret)
+	dev_for_each_subnode(subnode, dev) {
+		if (!ofnode_device_is_compatible(subnode,
+						 "cavium,thunder-8890-mdio"))
+			continue;
+		if (ofnode_read_u64(subnode, "reg", &baseaddr))
 			continue;
-
 		bus = mdio_alloc();
 		priv = malloc(sizeof(*priv));
 		if (!bus || !priv) {
@@ -347,9 +347,7 @@ int octeontx_smi_probe(struct udevice *dev)
 		bus->priv = priv;
 
 		priv->mode = CLAUSE22;
-		priv->baseaddr = (void __iomem *)fdtdec_get_addr(gd->fdt_blob,
-								 subnode,
-								 "reg");
+		priv->baseaddr = (void __iomem *)baseaddr;
 		debug("mdio base addr %p\n", priv->baseaddr);
 
 		/* use given name or generate its own unique name */
-- 
2.17.1