phy: rockchip: naneng-combphy: Use syscon_regmap_lookup_by_phandle

Change to use syscon_regmap_lookup_by_phandle() helper instead of
finding the syscon udevice and making a call to syscon_get_regmap().

No runtime change is expected with this simplication.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
index 9345378..d602f96 100644 (file)
--- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
@@ -176,22 +176,19 @@ static const struct phy_ops rockchip_combphy_ops = {
 static int rockchip_combphy_parse_dt(struct udevice *dev,
                                     struct rockchip_combphy_priv *priv)
 {
-       struct udevice *syscon;
        int ret;
 
-       ret = uclass_get_device_by_phandle(UCLASS_SYSCON, dev, "rockchip,pipe-grf", &syscon);
-       if (ret) {
-               dev_err(dev, "failed to find peri_ctrl pipe-grf regmap");
-               return ret;
+       priv->pipe_grf = syscon_regmap_lookup_by_phandle(dev, "rockchip,pipe-grf");
+       if (IS_ERR(priv->pipe_grf)) {
+               dev_err(dev, "failed to find peri_ctrl pipe-grf regmap\n");
+               return PTR_ERR(priv->pipe_grf);
        }
-       priv->pipe_grf = syscon_get_regmap(syscon);
 
-       ret = uclass_get_device_by_phandle(UCLASS_SYSCON, dev, "rockchip,pipe-phy-grf", &syscon);
-       if (ret) {
+       priv->phy_grf = syscon_regmap_lookup_by_phandle(dev, "rockchip,pipe-phy-grf");
+       if (IS_ERR(priv->phy_grf)) {
                dev_err(dev, "failed to find peri_ctrl pipe-phy-grf regmap\n");
-               return ret;
+               return PTR_ERR(priv->phy_grf);
        }
-       priv->phy_grf = syscon_get_regmap(syscon);
 
        ret = clk_get_by_index(dev, 0, &priv->ref_clk);
        if (ret) {