gianfar: Use interface name in interrupt name to distinguish the source.
Interface name (ex. eth0) is used as the prefix for the interrupt name,
with _rx, _tx, and _er appended to distinguish multiple interrupts on
the same interface.
Signed-off-by: Dai Haruki <dai.haruki@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index dbbeee3..854f2ae 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -304,8 +304,9 @@
u32 tempval;
struct net_device *dev = NULL;
struct gfar_private *priv = NULL;
- int err = 0;
DECLARE_MAC_BUF(mac);
+ int err = 0;
+ int len_devname;
/* Create an ethernet device instance */
dev = alloc_etherdev(sizeof (*priv));
@@ -447,6 +448,23 @@
goto register_fail;
}
+ /* fill out IRQ number and name fields */
+ len_devname = strlen(dev->name);
+ strncpy(&priv->int_name_tx[0], dev->name, len_devname);
+ if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
+ strncpy(&priv->int_name_tx[len_devname],
+ "_tx", sizeof("_tx") + 1);
+
+ strncpy(&priv->int_name_rx[0], dev->name, len_devname);
+ strncpy(&priv->int_name_rx[len_devname],
+ "_rx", sizeof("_rx") + 1);
+
+ strncpy(&priv->int_name_er[0], dev->name, len_devname);
+ strncpy(&priv->int_name_er[len_devname],
+ "_er", sizeof("_er") + 1);
+ } else
+ priv->int_name_tx[len_devname] = '\0';
+
/* Create all the sysfs files */
gfar_init_sysfs(dev);
@@ -1020,7 +1038,7 @@
/* Install our interrupt handlers for Error,
* Transmit, and Receive */
if (request_irq(priv->interruptError, gfar_error,
- 0, "enet_error", dev) < 0) {
+ 0, priv->int_name_er, dev) < 0) {
if (netif_msg_intr(priv))
printk(KERN_ERR "%s: Can't get IRQ %d\n",
dev->name, priv->interruptError);
@@ -1030,7 +1048,7 @@
}
if (request_irq(priv->interruptTransmit, gfar_transmit,
- 0, "enet_tx", dev) < 0) {
+ 0, priv->int_name_tx, dev) < 0) {
if (netif_msg_intr(priv))
printk(KERN_ERR "%s: Can't get IRQ %d\n",
dev->name, priv->interruptTransmit);
@@ -1041,7 +1059,7 @@
}
if (request_irq(priv->interruptReceive, gfar_receive,
- 0, "enet_rx", dev) < 0) {
+ 0, priv->int_name_rx, dev) < 0) {
if (netif_msg_intr(priv))
printk(KERN_ERR "%s: Can't get IRQ %d (receive0)\n",
dev->name, priv->interruptReceive);
@@ -1051,10 +1069,10 @@
}
} else {
if (request_irq(priv->interruptTransmit, gfar_interrupt,
- 0, "gfar_interrupt", dev) < 0) {
+ 0, priv->int_name_tx, dev) < 0) {
if (netif_msg_intr(priv))
printk(KERN_ERR "%s: Can't get IRQ %d\n",
- dev->name, priv->interruptError);
+ dev->name, priv->interruptTransmit);
err = -1;
goto err_irq_fail;