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authorGrant Likely <grant.likely@secretlab.ca>2009-04-25 12:53:17 +0000
committerDavid S. Miller <davem@davemloft.net>2009-04-27 02:53:49 -0700
commit1dd2d06c0459a2f1bffc56765e3cc57427818867 (patch)
tree5cf5b6aebdc4aa8cb66d21198ee87641f9ec67f6 /arch/powerpc
parentfe192a49118f5b1272317d60c7930ece4e13ae49 (diff)
net: Rework pasemi_mac driver to use of_mdio infrastructure
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>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/pasemi/gpio_mdio.c32
1 files changed, 5 insertions, 27 deletions
diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c
index 75cc165d5be..3bf546797cb 100644
--- a/arch/powerpc/platforms/pasemi/gpio_mdio.c
+++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c
@@ -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);