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net: Rework pasemi_mac 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>
Tested-by: Olof Johansson <olof@lixom.net>
Acked-by: Olof Johansson <olof@lixom.net>
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 12:53:17 +00:00 committed by David S. Miller
parent fe192a4911
commit 1dd2d06c04
3 changed files with 9 additions and 52 deletions
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32
arch/powerpc/platforms/pasemi/gpio_mdio.c
View file

@ -29,7 +29,7 @@
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include <linux/of_mdio.h>
#include <linux/of_platform.h>
#define DELAY 1
@ -39,6 +39,7 @@ static void __iomem *gpio_regs;
struct gpio_priv {
int mdc_pin;
int mdio_pin;
int mdio_irqs[PHY_MAX_ADDR];
};
#define MDC_PIN(bus) (((struct gpio_priv *)bus->priv)->mdc_pin)
@ -218,12 +219,11 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
const struct of_device_id *match)
{
struct device *dev = &ofdev->dev;
struct device_node *phy_dn, *np = ofdev->node;
struct device_node *np = ofdev->node;
struct mii_bus *new_bus;
struct gpio_priv *priv;
const unsigned int *prop;
int err;
int i;
err = -ENOMEM;
priv = kzalloc(sizeof(struct gpio_priv), GFP_KERNEL);
@ -244,27 +244,7 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", *prop);
new_bus->priv = priv;
new_bus->phy_mask = 0;
new_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
if (!new_bus->irq)
goto out_free_bus;
for (i = 0; i < PHY_MAX_ADDR; i++)
new_bus->irq[i] = NO_IRQ;
for (phy_dn = of_get_next_child(np, NULL);
phy_dn != NULL;
phy_dn = of_get_next_child(np, phy_dn)) {
const unsigned int *ip, *regp;
ip = of_get_property(phy_dn, "interrupts", NULL);
regp = of_get_property(phy_dn, "reg", NULL);
if (!ip || !regp || *regp >= PHY_MAX_ADDR)
continue;
new_bus->irq[*regp] = irq_create_mapping(NULL, *ip);
}
new_bus->irq = priv->mdio_irqs;
prop = of_get_property(np, "mdc-pin", NULL);
priv->mdc_pin = *prop;
@ -275,7 +255,7 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
new_bus->parent = dev;
dev_set_drvdata(dev, new_bus);
err = mdiobus_register(new_bus);
err = of_mdiobus_register(new_bus, np);
if (err != 0) {
printk(KERN_ERR "%s: Cannot register as MDIO bus, err %d\n",
@ -286,8 +266,6 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
return 0;
out_free_irq:
kfree(new_bus->irq);
out_free_bus:
kfree(new_bus);
out_free_priv:
kfree(priv);

28
drivers/net/pasemi_mac.c
View file

@ -24,6 +24,7 @@
#include <linux/dmaengine.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/of_mdio.h>
#include <linux/etherdevice.h>
#include <asm/dma-mapping.h>
#include <linux/in.h>
@ -1086,34 +1087,17 @@ static int pasemi_mac_phy_init(struct net_device *dev)
struct pasemi_mac *mac = netdev_priv(dev);
struct device_node *dn, *phy_dn;
struct phy_device *phydev;
unsigned int phy_id;
const phandle *ph;
const unsigned int *prop;
struct resource r;
int ret;
dn = pci_device_to_OF_node(mac->pdev);
ph = of_get_property(dn, "phy-handle", NULL);
if (!ph)
return -ENODEV;
phy_dn = of_find_node_by_phandle(*ph);
prop = of_get_property(phy_dn, "reg", NULL);
ret = of_address_to_resource(phy_dn->parent, 0, &r);
if (ret)
goto err;
phy_id = *prop;
snprintf(mac->phy_id, sizeof(mac->phy_id), "%x:%02x",
(int)r.start, phy_id);
phy_dn = of_parse_phandle(dn, "phy-handle", 0);
of_node_put(phy_dn);
mac->link = 0;
mac->speed = 0;
mac->duplex = -1;
phydev = phy_connect(dev, mac->phy_id, &pasemi_adjust_link, 0, PHY_INTERFACE_MODE_SGMII);
phydev = of_phy_connect(dev, phy_dn, &pasemi_adjust_link, 0,
PHY_INTERFACE_MODE_SGMII);
if (IS_ERR(phydev)) {
printk(KERN_ERR "%s: Could not attach to phy\n", dev->name);
@ -1123,10 +1107,6 @@ static int pasemi_mac_phy_init(struct net_device *dev)
mac->phydev = phydev;
return 0;
err:
of_node_put(phy_dn);
return -ENODEV;
}

1
drivers/net/pasemi_mac.h
View file

@ -100,7 +100,6 @@ struct pasemi_mac {
int duplex;
unsigned int msg_enable;
char phy_id[BUS_ID_SIZE];
};
/* Software status descriptor (ring_info) */