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Wysocki" , Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Russell King - ARM Linux admin , Cristi Sovaiala , Florin Laurentiu Chiculita , Ioana Ciornei , Madalin Bucur , Heikki Krogerus , Marcin Wojtas , Pieter Jansen Van Vuuren , Jon Cc: linux.cj@gmail.com, Laurentiu Tudor , Diana Madalina Craciun , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Calvin Johnson , "David S. Miller" , Ioana Radulescu , Jakub Kicinski Subject: [net-next PATCH v2 14/14] net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver Date: Tue, 15 Dec 2020 22:13:15 +0530 Message-Id: <20201215164315.3666-15-calvin.johnson@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201215164315.3666-1-calvin.johnson@oss.nxp.com> References: <20201215164315.3666-1-calvin.johnson@oss.nxp.com> X-Originating-IP: [14.142.151.118] X-ClientProxiedBy: SG2PR06CA0152.apcprd06.prod.outlook.com (2603:1096:1:1f::30) To AM0PR04MB5636.eurprd04.prod.outlook.com (2603:10a6:208:130::22) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv03152.swis.in-blr01.nxp.com (14.142.151.118) by SG2PR06CA0152.apcprd06.prod.outlook.com (2603:1096:1:1f::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.12 via Frontend Transport; Tue, 15 Dec 2020 16:45:16 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: d06ff694-e5f6-49be-72c4-08d8a118d05d X-MS-TrafficTypeDiagnostic: AM0PR04MB6963: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1850; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: elnx3THHH3+kCoIf8Q6bUaXuGyQ0ubTUroN5ZKf2RGU3qVzna2xy0/UuFaFUyROMNGc5HV3xyGBy5RYP2FKd9hTCYFFC31hWE/FCO+K110MReXx7cI9e6XpcCT0Xpayd2FfOo68HPnjTFW+XRO+ADZu6nacTpGEZXaBfMIBIfTXb2mQIP5mRQcJtdSo/UAIMEbdTCrESfBoJ0uXnUakrPw9+LdwbILrDhCmmsI6W7b8mK12gz9RCWheRDfv6M25cp17XZ3seJo3faTqImaznRb4VPJGFYAZ+gsT9kBvtJa3J8oLQAN0pVVBnhKjAlQcSzB7V79JcCxk/bT45OmJ5Wyh0mMPjwmUvsFz5pWpxPqr1KQFdl4pZGPSbhC+DJ9BH3yYdDMjIjdLzZC46sBs7Fw== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM0PR04MB5636.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(54906003)(8936002)(4326008)(6506007)(498600001)(83380400001)(66946007)(921005)(2616005)(956004)(86362001)(52116002)(16526019)(8676002)(2906002)(26005)(6512007)(44832011)(7416002)(186003)(5660300002)(55236004)(1006002)(1076003)(66476007)(110136005)(6486002)(66556008)(110426006); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5636.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Dec 2020 16:45:21.9287 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-Network-Message-Id: d06ff694-e5f6-49be-72c4-08d8a118d05d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: u+agCN1c9BAEgW5I4ygxpXc8o7GDd+ys6xTqx/1oPQDtUTJv+xcAIw7LtL3qxlSv8GWtZ2sr76JGp8RShcPdxg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6963 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Modify dpaa2_mac_connect() to support ACPI along with DT. Modify dpaa2_mac_get_node() to get the dpmac fwnode from either DT or ACPI. Replace of_get_phy_mode with fwnode_get_phy_mode to get phy-mode for a dpmac_node. Use helper function phylink_fwnode_phy_connect() to find phy_dev and connect to mac->phylink. Signed-off-by: Calvin Johnson --- Changes in v2: - Refactor OF functions to use fwnode functions .../net/ethernet/freescale/dpaa2/dpaa2-mac.c | 86 +++++++++++-------- 1 file changed, 50 insertions(+), 36 deletions(-) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c index 828c177df03d..c242d5c2a9ed 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c @@ -1,6 +1,9 @@ // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* Copyright 2019 NXP */ +#include +#include + #include "dpaa2-eth.h" #include "dpaa2-mac.h" @@ -34,39 +37,47 @@ static int phy_mode(enum dpmac_eth_if eth_if, phy_interface_t *if_mode) return 0; } -/* Caller must call of_node_put on the returned value */ -static struct device_node *dpaa2_mac_get_node(u16 dpmac_id) +static struct fwnode_handle *dpaa2_mac_get_node(struct device *dev, + u16 dpmac_id) { - struct device_node *dpmacs, *dpmac = NULL; - u32 id; + struct device_node *dpmacs = NULL; + struct fwnode_handle *parent, *child = NULL; int err; + u32 id; - dpmacs = of_find_node_by_name(NULL, "dpmacs"); - if (!dpmacs) - return NULL; + if (is_of_node(dev->parent->fwnode)) { + dpmacs = of_find_node_by_name(NULL, "dpmacs"); + if (!dpmacs) + return NULL; + parent = of_fwnode_handle(dpmacs); + } else if (is_acpi_node(dev->parent->fwnode)) { + parent = dev->parent->fwnode; + } - while ((dpmac = of_get_next_child(dpmacs, dpmac)) != NULL) { - err = of_property_read_u32(dpmac, "reg", &id); - if (err) + fwnode_for_each_child_node(parent, child) { + err = fwnode_get_id(child, &id); + if (err) { continue; - if (id == dpmac_id) - break; + } else if (id == dpmac_id) { + if (is_of_node(dev->parent->fwnode)) + of_node_put(dpmacs); + return child; + } } - - of_node_put(dpmacs); - - return dpmac; + if (is_of_node(dev->parent->fwnode)) + of_node_put(dpmacs); + return NULL; } -static int dpaa2_mac_get_if_mode(struct device_node *node, +static int dpaa2_mac_get_if_mode(struct fwnode_handle *dpmac_node, struct dpmac_attr attr) { phy_interface_t if_mode; int err; - err = of_get_phy_mode(node, &if_mode); - if (!err) - return if_mode; + err = fwnode_get_phy_mode(dpmac_node); + if (err > 0) + return err; err = phy_mode(attr.eth_if, &if_mode); if (!err) @@ -255,26 +266,27 @@ bool dpaa2_mac_is_type_fixed(struct fsl_mc_device *dpmac_dev, } static int dpaa2_pcs_create(struct dpaa2_mac *mac, - struct device_node *dpmac_node, int id) + struct fwnode_handle *dpmac_node, + int id) { struct mdio_device *mdiodev; - struct device_node *node; + struct fwnode_handle *node; - node = of_parse_phandle(dpmac_node, "pcs-handle", 0); - if (!node) { + node = fwnode_find_reference(dpmac_node, "pcs-handle", 0); + if (IS_ERR(node)) { /* do not error out on old DTS files */ netdev_warn(mac->net_dev, "pcs-handle node not found\n"); return 0; } - if (!of_device_is_available(node)) { + if (!of_device_is_available(to_of_node(node))) { netdev_err(mac->net_dev, "pcs-handle node not available\n"); - of_node_put(node); + of_node_put(to_of_node(node)); return -ENODEV; } - mdiodev = of_mdio_find_device(node); - of_node_put(node); + mdiodev = fwnode_mdio_find_device(node); + fwnode_handle_put(node); if (!mdiodev) return -EPROBE_DEFER; @@ -304,7 +316,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) { struct fsl_mc_device *dpmac_dev = mac->mc_dev; struct net_device *net_dev = mac->net_dev; - struct device_node *dpmac_node; + struct fwnode_handle *dpmac_node = NULL; struct phylink *phylink; struct dpmac_attr attr; int err; @@ -324,7 +336,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) mac->if_link_type = attr.link_type; - dpmac_node = dpaa2_mac_get_node(attr.id); + dpmac_node = dpaa2_mac_get_node(&mac->mc_dev->dev, attr.id); if (!dpmac_node) { netdev_err(net_dev, "No dpmac@%d node found.\n", attr.id); err = -ENODEV; @@ -342,7 +354,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) * error out if the interface mode requests them and there is no PHY * to act upon them */ - if (of_phy_is_fixed_link(dpmac_node) && + if (of_phy_is_fixed_link(to_of_node(dpmac_node)) && (mac->if_mode == PHY_INTERFACE_MODE_RGMII_ID || mac->if_mode == PHY_INTERFACE_MODE_RGMII_RXID || mac->if_mode == PHY_INTERFACE_MODE_RGMII_TXID)) { @@ -362,7 +374,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) mac->phylink_config.type = PHYLINK_NETDEV; phylink = phylink_create(&mac->phylink_config, - of_fwnode_handle(dpmac_node), mac->if_mode, + dpmac_node, mac->if_mode, &dpaa2_mac_phylink_ops); if (IS_ERR(phylink)) { err = PTR_ERR(phylink); @@ -373,13 +385,14 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) if (mac->pcs) phylink_set_pcs(mac->phylink, &mac->pcs->pcs); - err = phylink_of_phy_connect(mac->phylink, dpmac_node, 0); + err = phylink_fwnode_phy_connect(mac->phylink, dpmac_node, 0); if (err) { - netdev_err(net_dev, "phylink_of_phy_connect() = %d\n", err); + netdev_err(net_dev, "phylink_fwnode_phy_connect() = %d\n", err); goto err_phylink_destroy; } - of_node_put(dpmac_node); + if (is_of_node(dpmac_node)) + fwnode_handle_put(dpmac_node); return 0; @@ -388,7 +401,8 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) err_pcs_destroy: dpaa2_pcs_destroy(mac); err_put_node: - of_node_put(dpmac_node); + if (is_of_node(dpmac_node)) + fwnode_handle_put(dpmac_node); err_close_dpmac: dpmac_close(mac->mc_io, 0, dpmac_dev->mc_handle); return err;