netdev - [PATCH 1/3] net/fsl: remove reset from xgmac

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Message-ID: <1419327929-27210-1-git-send-email-shh.xie@gmail.com>
Date:	Tue, 23 Dec 2014 17:45:29 +0800
From:	<shh.xie@...il.com>
To:	<netdev@...r.kernel.org>, <davem@...emloft.net>
CC:	Shaohui Xie <Shaohui.Xie@...escale.com>
Subject: [PATCH 1/3] net/fsl: remove reset from xgmac_mdio

From: Shaohui Xie <Shaohui.Xie@...escale.com>

Since the reset is just clock setting, individual mdio reset is
not available.

Signed-off-by: Shaohui Xie <Shaohui.Xie@...escale.com>
---
 drivers/net/ethernet/freescale/xgmac_mdio.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index 6e7db66..90adba1 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -174,24 +174,6 @@ static int xgmac_mdio_read(struct mii_bus *bus, int phy_id, int regnum)
 	return value;
 }
 
-/* Reset the MIIM registers, and wait for the bus to free */
-static int xgmac_mdio_reset(struct mii_bus *bus)
-{
-	struct tgec_mdio_controller __iomem *regs = bus->priv;
-	int ret;
-
-	mutex_lock(&bus->mdio_lock);
-
-	/* Setup the MII Mgmt clock speed */
-	out_be32(&regs->mdio_stat, MDIO_STAT_CLKDIV(100));
-
-	ret = xgmac_wait_until_free(&bus->dev, regs);
-
-	mutex_unlock(&bus->mdio_lock);
-
-	return ret;
-}
-
 static int xgmac_mdio_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
@@ -212,7 +194,6 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
 	bus->name = "Freescale XGMAC MDIO Bus";
 	bus->read = xgmac_mdio_read;
 	bus->write = xgmac_mdio_write;
-	bus->reset = xgmac_mdio_reset;
 	bus->irq = bus->priv;
 	bus->parent = &pdev->dev;
 	snprintf(bus->id, MII_BUS_ID_SIZE, "%llx", (unsigned long long)res.start);
-- 
1.8.4.1

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