sysreset: use syscon_regmap_lookup_by_phandle

Use the new function syscon_regmap_lookup_by_phandle()
to simplify the code.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>

diff --git a/drivers/sysreset/sysreset_syscon.c b/drivers/sysreset/sysreset_syscon.c
index 3450640..3fb39b9 100644 (file)
--- a/drivers/sysreset/sysreset_syscon.c
+++ b/drivers/sysreset/sysreset_syscon.c
@@ -36,20 +36,9 @@ static struct sysreset_ops syscon_reboot_ops = {
 int syscon_reboot_probe(struct udevice *dev)
 {
        struct syscon_reboot_priv *priv = dev_get_priv(dev);
-       int err;
-       u32 phandle;
-       ofnode node;
 
-       err = ofnode_read_u32(dev_ofnode(dev), "regmap", &phandle);
-       if (err)
-               return err;
-
-       node = ofnode_get_by_phandle(phandle);
-       if (!ofnode_valid(node))
-               return -EINVAL;
-
-       priv->regmap = syscon_node_to_regmap(node);
-       if (!priv->regmap) {
+       priv->regmap = syscon_regmap_lookup_by_phandle(dev, "regmap");
+       if (IS_ERR(priv->regmap)) {
                pr_err("unable to find regmap\n");
                return -ENODEV;
        }