From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arun Parameswaran Subject: [PATCH v3 5/8] net: phy: Use devm api for mdio bus allocation in bcm iproc mdio mux Date: Wed, 1 Aug 2018 10:56:23 -0700 Message-ID: <1533146186-8374-6-git-send-email-arun.parameswaran@broadcom.com> References: <1533146186-8374-1-git-send-email-arun.parameswaran@broadcom.com> Return-path: In-Reply-To: <1533146186-8374-1-git-send-email-arun.parameswaran@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org To: "David S. Miller" , Florian Fainelli , Andrew Lunn , Rob Herring , Mark Rutland , Ray Jui , Scott Branden , Catalin Marinas , Will Deacon Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Arun Parameswaran List-Id: devicetree@vger.kernel.org Use devm_mdiobus_alloc() instead of mdiobus_alloc() in the Broadcom iProc mdio mux driver. Also, clear the driver data on error from probe or when remove() is called. Signed-off-by: Arun Parameswaran --- drivers/net/phy/mdio-mux-bcm-iproc.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c index c36ce4b..5640d78 100644 --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c @@ -198,7 +198,7 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) return PTR_ERR(md->base); } - md->mii_bus = mdiobus_alloc(); + md->mii_bus = devm_mdiobus_alloc(&pdev->dev); if (!md->mii_bus) { dev_err(&pdev->dev, "mdiomux bus alloc failed\n"); return -ENOMEM; @@ -217,7 +217,7 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) rc = mdiobus_register(bus); if (rc) { dev_err(&pdev->dev, "mdiomux registration failed\n"); - goto out; + return rc; } platform_set_drvdata(pdev, md); @@ -226,6 +226,7 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) &md->mux_handle, md, md->mii_bus); if (rc) { dev_info(md->dev, "mdiomux initialization failed\n"); + platform_set_drvdata(pdev, NULL); goto out_register; } @@ -236,8 +237,6 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) out_register: mdiobus_unregister(bus); -out: - mdiobus_free(bus); return rc; } @@ -247,7 +246,7 @@ static int mdio_mux_iproc_remove(struct platform_device *pdev) mdio_mux_uninit(md->mux_handle); mdiobus_unregister(md->mii_bus); - mdiobus_free(md->mii_bus); + platform_set_drvdata(pdev, NULL); return 0; } -- 1.9.1