diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.9/060-0001-net-phy-Initialize-mdio-clock-at-probe-function.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.9/060-0001-net-phy-Initialize-mdio-clock-at-probe-function.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.9/060-0001-net-phy-Initialize-mdio-clock-at-probe-function.patch b/target/linux/bcm53xx/patches-4.9/060-0001-net-phy-Initialize-mdio-clock-at-probe-function.patch new file mode 100644 index 0000000000..7678a70a32 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.9/060-0001-net-phy-Initialize-mdio-clock-at-probe-function.patch @@ -0,0 +1,48 @@ +From bb1a619735b4660f21bce3e728b937640024b4ad Mon Sep 17 00:00:00 2001 +From: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com> +Date: Wed, 8 Feb 2017 17:14:26 -0500 +Subject: [PATCH] net: phy: Initialize mdio clock at probe function + +USB PHYs need the MDIO clock divisor enabled earlier to work. +Initialize mdio clock divisor in probe function. The ext bus +bit available in the same register will be used by mdio mux +to enable external mdio. + +Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com> +Fixes: ddc24ae1 ("net: phy: Broadcom iProc MDIO bus driver") +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: Jon Mason <jon.mason@broadcom.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/phy/mdio-bcm-iproc.c | 6 ++---- + 1 file changed, 2 insertions(+), 4 deletions(-) + +--- a/drivers/net/phy/mdio-bcm-iproc.c ++++ b/drivers/net/phy/mdio-bcm-iproc.c +@@ -81,8 +81,6 @@ static int iproc_mdio_read(struct mii_bu + if (rc) + return rc; + +- iproc_mdio_config_clk(priv->base); +- + /* Prepare the read operation */ + cmd = (MII_DATA_TA_VAL << MII_DATA_TA_SHIFT) | + (reg << MII_DATA_RA_SHIFT) | +@@ -112,8 +110,6 @@ static int iproc_mdio_write(struct mii_b + if (rc) + return rc; + +- iproc_mdio_config_clk(priv->base); +- + /* Prepare the write operation */ + cmd = (MII_DATA_TA_VAL << MII_DATA_TA_SHIFT) | + (reg << MII_DATA_RA_SHIFT) | +@@ -163,6 +159,8 @@ static int iproc_mdio_probe(struct platf + bus->read = iproc_mdio_read; + bus->write = iproc_mdio_write; + ++ iproc_mdio_config_clk(priv->base); ++ + rc = of_mdiobus_register(bus, pdev->dev.of_node); + if (rc) { + dev_err(&pdev->dev, "MDIO bus registration failed\n"); |