phy: renesas: rcar-gen3-usb2: Move phy_data->init_bus check

Move the check of phy_data->init_bus from rcar_gen3_phy_usb2_init_bus()
to rcar_gen3_phy_usb2_probe() to avoid having it duplicated in both the
probe path and the upcoming resume code. This is a preparatory patch.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20251119120418.686224-2-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: claudiubeznea

drivers/phy/renesas/phy-rcar-gen3-usb2.c

@@ -782,6 +782,9 @@ static int rcar_gen3_phy_usb2_init_bus(struct rcar_gen3_chan *channel)
 	int ret;
 	u32 val;
 
+	if (!channel->phy_data->init_bus)
+		return 0;
+
 	rstc = devm_reset_control_array_get_shared(dev);
 	if (IS_ERR(rstc))
 		return PTR_ERR(rstc);
@@ -861,11 +864,9 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, channel);
 	channel->dev = dev;
 
-	if (channel->phy_data->init_bus) {
-		ret = rcar_gen3_phy_usb2_init_bus(channel);
-		if (ret)
-			goto error;
-	}
+	ret = rcar_gen3_phy_usb2_init_bus(channel);
+	if (ret)
+		goto error;
 
 	spin_lock_init(&channel->lock);
 	for (i = 0; i < NUM_OF_PHYS; i++) {