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net: mvmdio: remove duplicate locking

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The MDIO layer already provides per-bus locking, so there's no need for
MDIO bus drivers to do their own internal locking.  Remove this.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King 2017-06-15 16:43:19 +02:00 committed by David S. Miller
parent fd3ebd8578
commit 0caf0305a3
1 changed files with 0 additions and 10 deletions
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10
drivers/net/ethernet/marvell/mvmdio.c
View file

@ -23,7 +23,6 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of_mdio.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
@ -51,7 +50,6 @@
#define MVMDIO_SMI_POLL_INTERVAL_MAX 55
struct orion_mdio_dev {
struct mutex lock;
void __iomem *regs;
struct clk *clk[3];
/*
@ -116,8 +114,6 @@ static int orion_mdio_read(struct mii_bus *bus, int mii_id,
u32 val;
int ret;
mutex_lock(&dev->lock);
ret = orion_mdio_wait_ready(bus);
if (ret < 0)
goto out;
@ -140,7 +136,6 @@ static int orion_mdio_read(struct mii_bus *bus, int mii_id,
ret = val & GENMASK(15, 0);
out:
mutex_unlock(&dev->lock);
return ret;
}
@ -150,8 +145,6 @@ static int orion_mdio_write(struct mii_bus *bus, int mii_id,
struct orion_mdio_dev *dev = bus->priv;
int ret;
mutex_lock(&dev->lock);
ret = orion_mdio_wait_ready(bus);
if (ret < 0)
goto out;
@ -163,7 +156,6 @@ static int orion_mdio_write(struct mii_bus *bus, int mii_id,
dev->regs);
out:
mutex_unlock(&dev->lock);
return ret;
}
@ -244,8 +236,6 @@ static int orion_mdio_probe(struct platform_device *pdev)
return -EPROBE_DEFER;
}
mutex_init(&dev->lock);
if (pdev->dev.of_node)
ret = of_mdiobus_register(bus, pdev->dev.of_node);
else