linux-kernel - [PATCH 09/12] net: phy: nxp-tja11xx: make use of phy_device_atomic

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Message-Id: <20230405-net-next-topic-net-phy-reset-v1-9-7e5329f08002@pengutronix.de>
Date:   Wed, 05 Apr 2023 11:27:00 +0200
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Richard Cochran <richardcochran@...il.com>,
        Radu Pirea <radu-nicolae.pirea@....nxp.com>,
        Shyam Sundar S K <Shyam-sundar.S-k@....com>,
        Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Iyappan Subramanian <iyappan@...amperecomputing.com>,
        Keyur Chudgar <keyur@...amperecomputing.com>,
        Quan Nguyen <quan@...amperecomputing.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, devicetree@...r.kernel.org,
        kernel@...gutronix.de
Subject: [PATCH 09/12] net: phy: nxp-tja11xx: make use of
 phy_device_atomic_register()

Use the new atomic API to setup and register the phy accordingly.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
 drivers/net/phy/nxp-tja11xx.c | 31 +++++++------------------------
 1 file changed, 7 insertions(+), 24 deletions(-)

diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c
index 2a4c0f6d74eb..af9cb5e1a7ee 100644
--- a/drivers/net/phy/nxp-tja11xx.c
+++ b/drivers/net/phy/nxp-tja11xx.c
@@ -561,6 +561,8 @@ static void tja1102_p1_register(struct work_struct *work)
 			/* Real PHY ID of Port 1 is 0 */
 			.phy_id = PHY_ID_TJA1102,
 			.phy_id_broken = true,
+			.parent_mdiodev = dev,
+			.fwnode = of_fwnode_handle(child),
 		};
 		struct phy_device *phy;
 
@@ -583,30 +585,11 @@ static void tja1102_p1_register(struct work_struct *work)
 			continue;
 		}
 
-		phy = phy_device_create(&config);
-		if (IS_ERR(phy)) {
-			dev_err(dev, "Can't create PHY device for Port 1: %i\n",
-				config.phy_addr);
-			continue;
-		}
-
-		/* Overwrite parent device. phy_device_create() set parent to
-		 * the mii_bus->dev, which is not correct in case.
-		 */
-		phy->mdio.dev.parent = dev;
-
-		ret = of_mdiobus_phy_device_register(bus, phy, child,
-						     config.phy_addr);
-		if (ret) {
-			/* All resources needed for Port 1 should be already
-			 * available for Port 0. Both ports use the same
-			 * interrupt line, so -EPROBE_DEFER would make no sense
-			 * here.
-			 */
-			dev_err(dev, "Can't register Port 1. Unexpected error: %i\n",
-				ret);
-			phy_device_free(phy);
-		}
+		phy = phy_device_atomic_register(&config);
+		if (IS_ERR(phy))
+			dev_err_probe(dev, PTR_ERR(phy),
+				      "Can't create PHY device for Port 1: %i\n",
+				      config.phy_addr);
 	}
 }
 

-- 
2.39.2