linux-kernel - [PATCH v2 3/7] phy: cadence-torrent: Enable support for multiple subnodes

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Date:   Thu, 27 Aug 2020 15:28:48 +0200
From:   Swapnil Jakhade <sjakhade@...ence.com>
To:     <vkoul@...nel.org>, <kishon@...com>, <robh+dt@...nel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <mparab@...ence.com>, <sjakhade@...ence.com>,
        <yamonkar@...ence.com>, <tomi.valkeinen@...com>, <jsarha@...com>,
        <nsekhar@...com>
Subject: [PATCH v2 3/7] 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@...ence.com>
---
 drivers/phy/cadence/phy-cadence-torrent.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c
index 566edf0e7937..ee633c8bf2d8 100644
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@@ -1747,9 +1747,6 @@ 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) {
@@ -1772,14 +1769,6 @@ 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",
@@ -1852,10 +1841,6 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev)
 			torrent_attr.mode = PHY_MODE_DP;
 
 			phy_set_attrs(gphy, &torrent_attr);
-		} 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]);
-- 
2.26.1