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net: Rework fs_enet driver to use of_mdio infrastructure

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This patch simplifies the driver by making use of more common code.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Grant Likely
2009-04-25 12:53:33 +00:00
committed by David S. Miller
parent fd84f0ee50
commit aa73832c5a
4 changed files with 16 additions and 114 deletions
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29
drivers/net/fs_enet/mii-bitbang.c
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@@ -22,6 +22,7 @@
#include <linux/mii.h>
#include <linux/platform_device.h>
#include <linux/mdio-bitbang.h>
#include <linux/of_mdio.h>
#include <linux/of_platform.h>
#include "fs_enet.h"
@@ -149,31 +150,12 @@ static int __devinit fs_mii_bitbang_init(struct mii_bus *bus,
return 0;
}
static void __devinit add_phy(struct mii_bus *bus, struct device_node *np)
{
const u32 *data;
int len, id, irq;
data = of_get_property(np, "reg", &len);
if (!data || len != 4)
return;
id = *data;
bus->phy_mask &= ~(1 << id);
irq = of_irq_to_resource(np, 0, NULL);
if (irq != NO_IRQ)
bus->irq[id] = irq;
}
static int __devinit fs_enet_mdio_probe(struct of_device *ofdev,
const struct of_device_id *match)
{
struct device_node *np = NULL;
struct mii_bus *new_bus;
struct bb_info *bitbang;
int ret = -ENOMEM;
int i;
bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL);
if (!bitbang)
@@ -196,17 +178,10 @@ static int __devinit fs_enet_mdio_probe(struct of_device *ofdev,
if (!new_bus->irq)
goto out_unmap_regs;
for (i = 0; i < PHY_MAX_ADDR; i++)
new_bus->irq[i] = -1;
while ((np = of_get_next_child(ofdev->node, np)))
if (!strcmp(np->type, "ethernet-phy"))
add_phy(new_bus, np);
new_bus->parent = &ofdev->dev;
dev_set_drvdata(&ofdev->dev, new_bus);
ret = mdiobus_register(new_bus);
ret = of_mdiobus_register(new_bus, ofdev->node);
if (ret)
goto out_free_irqs;