Message ID | 20200622093744.13685-9-brgl@bgdev.pl |
---|---|
State | Changes Requested |
Delegated to: | David Miller |
Headers | show
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[2.15.156.232]) by smtp.gmail.com with ESMTPSA id j24sm14392652wrd.43.2020.06.22.02.41.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jun 2020 02:41:35 -0700 (PDT) From: Bartosz Golaszewski <brgl@bgdev.pl> To: Andrew Lunn <andrew@lunn.ch>, Florian Fainelli <f.fainelli@gmail.com>, Heiner Kallweit <hkallweit1@gmail.com>, Russell King <linux@armlinux.org.uk>, "David S . Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Rob Herring <robh+dt@kernel.org>, Matthias Brugger <matthias.bgg@gmail.com>, Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>, Vladimir Oltean <vladimir.oltean@nxp.com>, Claudiu Manoil <claudiu.manoil@nxp.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Vivien Didelot <vivien.didelot@gmail.com>, Tom Lendacky <thomas.lendacky@amd.com>, Yisen Zhuang <yisen.zhuang@huawei.com>, Salil Mehta <salil.mehta@huawei.com>, Jassi Brar <jaswinder.singh@linaro.org>, Ilias Apalodimas <ilias.apalodimas@linaro.org>, Iyappan Subramanian <iyappan@os.amperecomputing.com>, Keyur Chudgar <keyur@os.amperecomputing.com>, Quan Nguyen <quan@os.amperecomputing.com>, Frank Rowand <frowand.list@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org> Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Fabien Parent <fparent@baylibre.com>, Stephane Le Provost <stephane.leprovost@mediatek.com>, Pedro Tsai <pedro.tsai@mediatek.com>, Andrew Perepech <andrew.perepech@mediatek.com>, Bartosz Golaszewski <bgolaszewski@baylibre.com> Subject: [PATCH 08/15] net: phy: check the PHY presence in get_phy_id() Date: Mon, 22 Jun 2020 11:37:37 +0200 Message-Id: <20200622093744.13685-9-brgl@bgdev.pl> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200622093744.13685-1-brgl@bgdev.pl> References: <20200622093744.13685-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: <netdev.vger.kernel.org> X-Mailing-List: netdev@vger.kernel.org |
Series |
net: phy: correctly model the PHY voltage supply in DT
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expand
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diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 8037a9663a85..eccbf6aea63d 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -806,6 +806,10 @@ static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, *phy_id |= phy_reg; + /* If the phy_id is mostly Fs, there is no device there */ + if ((*phy_id & 0x1fffffff) == 0x1fffffff) + return -ENODEV; + return 0; } @@ -832,10 +836,6 @@ struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) if (r) return ERR_PTR(r); - /* If the phy_id is mostly Fs, there is no device there */ - if ((phy_id & 0x1fffffff) == 0x1fffffff) - return ERR_PTR(-ENODEV); - return phy_device_create(bus, addr, phy_id, is_c45, &c45_ids); } EXPORT_SYMBOL(get_phy_device);