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