phy: cadence-torrent: Enable support for multiple subnodes

Enable support for multiple subnodes in torrent PHY to
include multi-link combinations.

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/1600280911-9214-4-git-send-email-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/cadence/phy-cadence-torrent.c

@@ -1746,9 +1746,6 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev)
 	if (subnodes == 0) {
 		dev_err(dev, "No available link subnodes found\n");
 		return -EINVAL;
-	} else if (subnodes != 1) {
-		dev_err(dev, "Driver supports only one link subnode.\n");
-		return -EINVAL;
 	}
 
 	for_each_available_child_of_node(dev->of_node, child) {
@@ -1771,14 +1768,6 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev)
 			goto put_child;
 		}
 
-		if (cdns_phy->phys[node].mlane != 0) {
-			dev_err(dev,
-				"%s: Driver supports only lane-0 as master lane.\n",
-				child->full_name);
-			ret = -EINVAL;
-			goto put_child;
-		}
-
 		if (of_property_read_u32(child, "cdns,phy-type",
 					 &cdns_phy->phys[node].phy_type)) {
 			dev_err(dev, "%s: No \"cdns,phy-type\"-property.\n",
@@ -1849,10 +1838,6 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev)
 			gphy->attrs.bus_width = cdns_phy->phys[node].num_lanes;
 			gphy->attrs.max_link_rate = cdns_phy->max_bit_rate;
 			gphy->attrs.mode = PHY_MODE_DP;
-		} else {
-			dev_err(dev, "Driver supports only PHY_TYPE_DP\n");
-			ret = -ENOTSUPP;
-			goto put_child;
 		}
 		cdns_phy->phys[node].phy = gphy;
 		phy_set_drvdata(gphy, &cdns_phy->phys[node]);