net: hns: remove cpld-ctrl-reg and add cell in the cpld-syscon property

Because cpld-ctrl-reg property is offset base on cpld-syscon property,
we make it as a cell in the cpld-syscon property.

Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
index 1c8fdd3..210ba89 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
@@ -647,6 +647,7 @@ static int  hns_mac_get_info(struct hns_mac_cb *mac_cb)
 {
        struct device_node *np = mac_cb->dev->of_node;
        struct regmap *syscon;
+       struct of_phandle_args cpld_args;
        u32 ret;
 
        mac_cb->link = false;
@@ -713,22 +714,23 @@ static int  hns_mac_get_info(struct hns_mac_cb *mac_cb)
                        mac_cb->mac_id);
        }
 
-       syscon = syscon_node_to_regmap(
-                       of_parse_phandle(to_of_node(mac_cb->fw_port),
-                                        "cpld-syscon", 0));
-       if (IS_ERR_OR_NULL(syscon)) {
-               dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
+       ret = of_parse_phandle_with_fixed_args(to_of_node(mac_cb->fw_port),
+                                              "cpld-syscon", 1, 0, &cpld_args);
+       if (ret) {
+               dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
+                       mac_cb->mac_id);
                mac_cb->cpld_ctrl = NULL;
        } else {
-               mac_cb->cpld_ctrl = syscon;
-               ret = fwnode_property_read_u32(mac_cb->fw_port,
-                                              "cpld-ctrl-reg",
-                                              &mac_cb->cpld_ctrl_reg);
-               if (ret) {
-                       dev_err(mac_cb->dev, "get cpld-ctrl-reg fail!\n");
-                       return ret;
+               syscon = syscon_node_to_regmap(cpld_args.np);
+               if (IS_ERR_OR_NULL(syscon)) {
+                       dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
+                       mac_cb->cpld_ctrl = NULL;
+               } else {
+                       mac_cb->cpld_ctrl = syscon;
+                       mac_cb->cpld_ctrl_reg = cpld_args.args[0];
                }
        }
+
        return 0;
 }