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Thu, 23 May 2019 01:20:39 +0000 From: Ioana Ciornei To: "linux@armlinux.org.uk" , "f.fainelli@gmail.com" , "andrew@lunn.ch" , "hkallweit1@gmail.com" , "maxime.chevallier@bootlin.com" , "olteanv@gmail.com" CC: "netdev@vger.kernel.org" , "davem@davemloft.net" , Ioana Ciornei Subject: [RFC PATCH net-next 3/9] net: phy: Add phy_standalone sysfs entry Thread-Topic: [RFC PATCH net-next 3/9] net: phy: Add phy_standalone sysfs entry Thread-Index: AQHVEQW7wDCFQR6sQUWynBU/WT9lsQ== Date: Thu, 23 May 2019 01:20:39 +0000 Message-ID: <20190523011958.14944-4-ioana.ciornei@nxp.com> References: <20190523011958.14944-1-ioana.ciornei@nxp.com> In-Reply-To: <20190523011958.14944-1-ioana.ciornei@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1P18901CA0009.EURP189.PROD.OUTLOOK.COM (2603:10a6:801::19) To VI1PR0402MB2800.eurprd04.prod.outlook.com (2603:10a6:800:b8::10) authentication-results: spf=none (sender IP is ) smtp.mailfrom=ioana.ciornei@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:VI1PR0402MB3677; H:VI1PR0402MB2800.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 7lB4HZV4stnPEkom/G9P/PgHso//Ro3phxVzfGfaLxyWzU10WJttRM1JZl8di7nPif9gawWIoajXNpmbSleCEYbgPG/RT9iudaXhVp8GB9mWi9X4pfmc6QYmKM0vnuLdGdXgYPVao+IULYgF6IeTF56gn2nRB6P9lW3aY80SBThSc60o0HtpTkB0CHcLWTVNMwOowJBOpXQGIPrTTc7bJcflLTl+hlJ5awt+or3k6HufE+Wmuv+QVXT+SaI7i608uR5qms9rXaBPnk/yiSXEYTJ+8pDK/ne9IzLpjkGK786mMkpEkHyc0eNZ9asSRevale985t1HVvWLvrJegt1ZYsNrtNy4ObzxvQBXZVVhGdm+OqmQK3OSU9ZjOBXXPaxGjWPpwGjdSaj94IKjJwA2LJSwQ7o/3ei/JqoGtzi/KmU= Content-ID: <33E3276CA698984A85EE38FC362475A8@eurprd04.prod.outlook.com> MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: bc7e1da0-b263-4fdc-2eae-08d6df1cdd77 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 May 2019 01:20:39.1651 (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-Transport-CrossTenantHeadersStamped: VI1PR0402MB3677 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Export a phy_standalone device attribute that is meant to give the indication that this PHY lacks an attached_dev and its corresponding sysfs link. Signed-off-by: Ioana Ciornei --- drivers/net/phy/phy_device.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 25cc7c33f8dd..30e0e73d5f86 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -537,10 +537,22 @@ phy_has_fixups_show(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RO(phy_has_fixups); +static ssize_t phy_standalone_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct phy_device *phydev = to_phy_device(dev); + + return sprintf(buf, "%d\n", !phydev->attached_dev); +} + +static DEVICE_ATTR_RO(phy_standalone); + static struct attribute *phy_dev_attrs[] = { &dev_attr_phy_id.attr, &dev_attr_phy_interface.attr, &dev_attr_phy_has_fixups.attr, + &dev_attr_phy_standalone.attr, NULL, }; ATTRIBUTE_GROUPS(phy_dev);