[PATCH v3 5/8] net: phy: Use devm api for mdio bus allocation in bcm iproc mdio mux
From: Arun Parameswaran <hidden>
Date: 2018-08-01 17:56:33
Also in:
linux-arm-kernel, linux-devicetree, lkml
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- 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