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net/macb: add support for phy irq via gpio pin

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Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joachim Eastwood 2012-11-11 13:56:27 +00:00 committed by David S. Miller
parent 63f71dd026
commit 2dbfdbb912
1 changed files with 11 additions and 1 deletions
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12
drivers/net/ethernet/cadence/macb.c
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@ -16,6 +16,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@ -261,7 +262,9 @@ static void macb_handle_link_change(struct net_device *dev)
static int macb_mii_probe(struct net_device *dev)
{
struct macb *bp = netdev_priv(dev);
struct macb_platform_data *pdata;
struct phy_device *phydev;
int phy_irq;
int ret;
phydev = phy_find_first(bp->mii_bus);
@ -270,7 +273,14 @@ static int macb_mii_probe(struct net_device *dev)
return -1;
}
/* TODO : add pin_irq */
pdata = dev_get_platdata(&bp->pdev->dev);
if (pdata && gpio_is_valid(pdata->phy_irq_pin)) {
ret = devm_gpio_request(&bp->pdev->dev, pdata->phy_irq_pin, "phy int");
if (!ret) {
phy_irq = gpio_to_irq(pdata->phy_irq_pin);
phydev->irq = (phy_irq < 0) ? PHY_POLL : phy_irq;
}
}
/* attach the mac to the phy */
ret = phy_connect_direct(dev, phydev, &macb_handle_link_change, 0,