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Wysocki" , Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Cristi Sovaiala , Florin Laurentiu Chiculita , Ioana Ciornei , Madalin Bucur , Heikki Krogerus , Marcin Wojtas , Pieter Jansen Van Vuuren , Jon , Saravana Kannan , Randy Dunlap , Laurentiu Tudor , linux-kernel@vger.kernel.org, linux.cj@gmail.com, Diana Madalina Craciun , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, "David S. Miller" , Heiner Kallweit , Jakub Kicinski Subject: Re: [net-next PATCH v5 13/15] phylink: introduce phylink_fwnode_phy_connect() Message-ID: <20210215060142.GA21977@lsv03152.swis.in-blr01.nxp.com> References: <20210208151244.16338-1-calvin.johnson@oss.nxp.com> <20210208151244.16338-14-calvin.johnson@oss.nxp.com> <20210208153111.GK1463@shell.armlinux.org.uk> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210208153111.GK1463@shell.armlinux.org.uk> User-Agent: Mutt/1.9.4 (2018-02-28) X-Originating-IP: [14.142.151.118] X-ClientProxiedBy: SG2PR01CA0132.apcprd01.prod.exchangelabs.com (2603:1096:4:40::36) 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 SG2PR01CA0132.apcprd01.prod.exchangelabs.com (2603:1096:4:40::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3846.27 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?iVW0A35bTumNExxwm5qtZeA5MBqxLA0NGjBBRgoQu3rd68HqSARSOMV40eMq?= =?us-ascii?Q?TPyzwg7sca0b3Yxkgk6JLjFDhG4QrCdohLg2ZK/uYpwLqtYUHpDyGq0POebd?= =?us-ascii?Q?783djvtE7rrUL//F2bHEiejS9/fTtJUUoHnoUCb76R11CjeQ5D7njcDU9ken?= =?us-ascii?Q?Z5Wp39lUaWwG+PnDR4pTKWAJNyCB6HUfZYKj2WgiFSHUhyLU17z4KF+gmUZP?= =?us-ascii?Q?IkcwyMK08/NIX+8lkz7HPVx3+H9n4IromyLNXf5bPrDZMb924QPL/yELzicJ?= =?us-ascii?Q?7PsNAnIKOOZXKv5pu5/KyRgSNNQ6v15zO/9yrK6fQfgxfntKHWcdBJwBAPnu?= =?us-ascii?Q?B/XcXgZ6iQL9IdmIOxlZP1XwTM9jIu+Cjy1hHUrCD+hFsdGfNU+kbTGpCEl3?= =?us-ascii?Q?SyCtvEFSTUVKZwhMdN8YWFp7AUFW9C1E4wTdvu/4giSp/aKzTBLUwqUu1nAj?= =?us-ascii?Q?BPdWTJTHTwnksmCfxBtxHA+cHpG3nk2uc3Zz8ga0y2RZYpd7qV8TxFwrFM7c?= =?us-ascii?Q?7esvdoPS7wNhhgoGp/OxGmueOHgwDeuRTNXCjcfIgtUU9VPTA7nm+QzdJafY?= =?us-ascii?Q?223WCJXNd0HoPkcSOD0rFI9EfbLUIWtALKRONbhPXeEZWHcFE7sKzjMafU4P?= =?us-ascii?Q?grziIijiwY0TBMLX6/Argk0dL30IliyBAteY8Dsj3GiRriGLSU+idGqYCzN4?= =?us-ascii?Q?ueC+Xt2nJ/AE+P6FAt74p6+AuVFpkvneEggkDCNeE3xzaNAELclbnxQXf56R?= =?us-ascii?Q?MSiui9oq6/NuYVZrmOr6q8iuKnyRtmHyVyHBzKS7HHSh3eR+Hn4icq9ed1xs?= =?us-ascii?Q?ULZcoHi2of5uhi7vvwQtvoLIEws0PEWhuP4+/frhVFUw623SxcXp8pd74ffY?= =?us-ascii?Q?W3K1W7/q6zEBmZvgUwTt4txALgVRV4m8YYeA5FMPDUoC2HPLi4tPKc3MpxQO?= =?us-ascii?Q?YkfBI7z4yb1Mevnot3dOow06ZxTX6zmRKVmICTa2DViqsbEAwFdJMYNy+vE+?= =?us-ascii?Q?P8KTMQwYCKJ8b+/l0w/T1x2RUmdWm7qSZsPq2hdDdkrTyZ/R6y4ro3lPWUoP?= =?us-ascii?Q?Fx+ZtEkiC5zbjciX33wr4hse+pEMXY3Xhca6CsunEDLemnTr72Oy+y+iePA7?= =?us-ascii?Q?S/7f6UP3OedNlh47yhI63Z+QdXXKWYlJRe+idDej47BKGggxM9sTo7edMGZL?= =?us-ascii?Q?4jii1YTM7SiDHwtxsQcwagRXybPYEoxQT/p1KSVNl35XhE2WcWJufQsE37K7?= =?us-ascii?Q?7gA/QnhorUtSz09jNU2q8s+Z1gTW/SMW0Tdd8wDBn+cfXAQSnz+TnbFn+3BB?= =?us-ascii?Q?zptVyc5/ZDrLxG8UiORGt82OqF+0cGuRW0gGar197Ky9sQ=3D=3D?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6fd2010a-b121-4446-3074-08d8d177377f X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5636.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Feb 2021 06:02:03.7829 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: A0X/i7LfB4i7qu0WS/NcrUQRlEvSAfWzWYYtj4o/bDNWLOvAPex9P6bxsfFpoNBB4cWOVEkS6dLinE4soR/gbg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB3953 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 08, 2021 at 03:31:11PM +0000, Russell King - ARM Linux admin wrote: > On Mon, Feb 08, 2021 at 08:42:42PM +0530, Calvin Johnson wrote: > > +int phylink_fwnode_phy_connect(struct phylink *pl, > > + struct fwnode_handle *fwnode, > > + u32 flags) > > +{ > > + struct fwnode_handle *phy_fwnode; > > + struct phy_device *phy_dev; > > + int ret; > > + > > + if (is_of_node(fwnode)) { > > + /* Fixed links and 802.3z are handled without needing a PHY */ > > + if (pl->cfg_link_an_mode == MLO_AN_FIXED || > > + (pl->cfg_link_an_mode == MLO_AN_INBAND && > > + phy_interface_mode_is_8023z(pl->link_interface))) > > + return 0; > > This difference between ACPI and DT really needs to be described in the > commit description. > > For example, why is it acceptable to have a PHY in fixed-link mode if > we're using ACPI, and not DT? > > If we look at the phylink code, accepting a PHY when in fixed-link mode > is basically not supported... so why should ACPI allow this? DT and ACPI should handle fixed-link in similar manner. I'll remove the OF check. Thanks Calvin