net/macb: add support for phy irq via gpio pin
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 1fac769..ca34efc 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -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 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 @@
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,