Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs

[firefly-linux-kernel-4.4.55.git] / drivers / net / phy / mdio-octeon.c

diff --git a/drivers/net/phy/mdio-octeon.c b/drivers/net/phy/mdio-octeon.c
index a872aea4ed7455f5b3f539c193232b4297cab860..f443d43edd80e242fba17e9ea3cf9de7c7b403fb 100644 (file)
--- a/drivers/net/phy/mdio-octeon.c
+++ b/drivers/net/phy/mdio-octeon.c
@@ -88,6 +88,7 @@ static int octeon_mdiobus_write(struct mii_bus *bus, int phy_id,
 static int __init octeon_mdiobus_probe(struct platform_device *pdev)
 {
        struct octeon_mdiobus *bus;
+       union cvmx_smix_en smi_en;
        int i;
        int err = -ENOENT;
 
@@ -103,6 +104,10 @@ static int __init octeon_mdiobus_probe(struct platform_device *pdev)
        if (!bus->mii_bus)
                goto err;
 
+       smi_en.u64 = 0;
+       smi_en.s.en = 1;
+       cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64);
+
        /*
         * Standard Octeon evaluation boards don't support phy
         * interrupts, we need to poll.
@@ -133,17 +138,22 @@ err_register:
 
 err:
        devm_kfree(&pdev->dev, bus);
+       smi_en.u64 = 0;
+       cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64);
        return err;
 }
 
 static int __exit octeon_mdiobus_remove(struct platform_device *pdev)
 {
        struct octeon_mdiobus *bus;
+       union cvmx_smix_en smi_en;
 
        bus = dev_get_drvdata(&pdev->dev);
 
        mdiobus_unregister(bus->mii_bus);
        mdiobus_free(bus->mii_bus);
+       smi_en.u64 = 0;
+       cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64);
        return 0;
 }