phy: phy-rockchip-inno-usb2: simplify getting match data

Simplify the code by directly getting the match data via
device_get_match_data() instead of open coding its functionality.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230522170324.61349-7-sebastian.reichel@collabora.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/rockchip/phy-rockchip-inno-usb2.c

@@ -1305,7 +1305,6 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev)
 	struct phy_provider *provider;
 	struct rockchip_usb2phy *rphy;
 	const struct rockchip_usb2phy_cfg *phy_cfgs;
-	const struct of_device_id *match;
 	unsigned int reg;
 	int index, ret;
 
@@ -1313,12 +1312,6 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev)
 	if (!rphy)
 		return -ENOMEM;
 
-	match = of_match_device(dev->driver->of_match_table, dev);
-	if (!match || !match->data) {
-		dev_err(dev, "phy configs are not assigned!\n");
-		return -EINVAL;
-	}
-
 	if (!dev->parent || !dev->parent->of_node) {
 		rphy->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
 		if (IS_ERR(rphy->grf)) {
@@ -1359,12 +1352,15 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev)
 	}
 
 	rphy->dev = dev;
-	phy_cfgs = match->data;
+	phy_cfgs = device_get_match_data(dev);
 	rphy->chg_state = USB_CHG_STATE_UNDEFINED;
 	rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
 	rphy->irq = platform_get_irq_optional(pdev, 0);
 	platform_set_drvdata(pdev, rphy);
 
+	if (!phy_cfgs)
+		return dev_err_probe(dev, -EINVAL, "phy configs are not assigned!\n");
+
 	ret = rockchip_usb2phy_extcon_register(rphy);
 	if (ret)
 		return ret;