Message ID | 20210917133436.553995-5-vladimir.oltean@nxp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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dmarc=none action=none header.from=nxp.com; Received: from VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) by VE1PR04MB7341.eurprd04.prod.outlook.com (2603:10a6:800:1a6::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.16; Fri, 17 Sep 2021 13:34:59 +0000 Received: from VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::109:1995:3e6b:5bd0]) by VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::109:1995:3e6b:5bd0%2]) with mapi id 15.20.4500.019; Fri, 17 Sep 2021 13:34:59 +0000 From: Vladimir Oltean <vladimir.oltean@nxp.com> To: netdev@vger.kernel.org Cc: Florian Fainelli <f.fainelli@gmail.com>, Andrew Lunn <andrew@lunn.ch>, Vivien Didelot <vivien.didelot@gmail.com>, Vladimir Oltean <olteanv@gmail.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Kurt Kanzenbach <kurt@linutronix.de>, Hauke Mehrtens <hauke@hauke-m.de>, Woojung Huh <woojung.huh@microchip.com>, UNGLinuxDriver@microchip.com, Sean Wang <sean.wang@mediatek.com>, Landen Chao <Landen.Chao@mediatek.com>, DENG Qingfang <dqfext@gmail.com>, Matthias Brugger <matthias.bgg@gmail.com>, Claudiu Manoil <claudiu.manoil@nxp.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Linus Walleij <linus.walleij@linaro.org>, George McCollister <george.mccollister@gmail.com>, Heiner Kallweit <hkallweit1@gmail.com>, Russell King <linux@armlinux.org.uk>, Oleksij Rempel <linux@rempel-privat.de>, Michael Grzeschik <m.grzeschik@pengutronix.de>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Lino Sanfilippo <LinoSanfilippo@gmx.de> Subject: [PATCH v2 net 4/5] net: dsa: microchip: ksz8863: be compatible with masters which unregister on shutdown Date: Fri, 17 Sep 2021 16:34:35 +0300 Message-Id: <20210917133436.553995-5-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210917133436.553995-1-vladimir.oltean@nxp.com> References: <20210917133436.553995-1-vladimir.oltean@nxp.com> X-ClientProxiedBy: AM0PR02CA0199.eurprd02.prod.outlook.com (2603:10a6:20b:28f::6) To VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (82.78.148.104) by AM0PR02CA0199.eurprd02.prod.outlook.com (2603:10a6:20b:28f::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.14 via Frontend Transport; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" <linux-mediatek-bounces@lists.infradead.org> Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org |
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Make DSA switch drivers compatible with masters which unregister on shutdown
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diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 11293485138c..5883fa7edda2 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -191,6 +191,18 @@ static void ksz8863_smi_remove(struct mdio_device *mdiodev) if (dev) ksz_switch_remove(dev); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void ksz8863_smi_shutdown(struct mdio_device *mdiodev) +{ + struct ksz_device *dev = dev_get_drvdata(&mdiodev->dev); + + if (dev) + dsa_switch_shutdown(dev->ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } static const struct of_device_id ksz8863_dt_ids[] = { @@ -203,6 +215,7 @@ MODULE_DEVICE_TABLE(of, ksz8863_dt_ids); static struct mdio_driver ksz8863_driver = { .probe = ksz8863_smi_probe, .remove = ksz8863_smi_remove, + .shutdown = ksz8863_smi_shutdown, .mdiodrv.driver = { .name = "ksz8863-switch", .of_match_table = ksz8863_dt_ids,