phy: ti: Init node before reading

There is a need to fill node before clk_output_sel is setup.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Reviewed-by: <hannes.schmelzer@br-automation.com>
diff --git a/drivers/net/phy/ti.c b/drivers/net/phy/ti.c
index 6ac890a..25f1332 100644
--- a/drivers/net/phy/ti.c
+++ b/drivers/net/phy/ti.c
@@ -138,6 +138,10 @@
 
 	/* Optional configuration */
 
+	node = phy_get_ofnode(phydev);
+	if (!ofnode_valid(node))
+		return -EINVAL;
+
 	/*
 	 * Keep the default value if ti,clk-output-sel is not set
 	 * or to high
@@ -147,10 +151,6 @@
 		ofnode_read_u32_default(node, "ti,clk-output-sel",
 					DP83867_CLK_O_SEL_REF_CLK);
 
-	node = phy_get_ofnode(phydev);
-	if (!ofnode_valid(node))
-		return -EINVAL;
-
 	if (ofnode_read_bool(node, "ti,max-output-impedance"))
 		dp83867->io_impedance = DP83867_IO_MUX_CFG_IO_IMPEDANCE_MAX;
 	else if (ofnode_read_bool(node, "ti,min-output-impedance"))