netdev - [PATCH v2 2/4] net: phy: Initialize mdio clock at probe function

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Message-Id: <1484669670-4201-3-git-send-email-yendapally.reddy@broadcom.com>
Date:   Tue, 17 Jan 2017 11:14:28 -0500
From:   Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@...adcom.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Jon Mason <jonmason@...adcom.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        netdev@...r.kernel.org,
        Yendapally Reddy Dhananjaya Reddy 
        <yendapally.reddy@...adcom.com>
Subject: [PATCH v2 2/4] net: phy: Initialize mdio clock at probe function

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@...adcom.com>
---
 drivers/net/phy/mdio-bcm-iproc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/phy/mdio-bcm-iproc.c b/drivers/net/phy/mdio-bcm-iproc.c
index c0b4e65..46fe1ae 100644
--- 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_bus *bus, int phy_id, int reg)
 	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_bus *bus, int phy_id,
 	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 platform_device *pdev)
 	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");
-- 
2.1.0