From c50a5d9aedef5b0b289d07f6d73934d394e50b3f Mon Sep 17 00:00:00 2001 From: Dai Haruki Date: Wed, 17 Dec 2008 16:51:32 -0800 Subject: [PATCH] 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 Signed-off-by: Andy Fleming Signed-off-by: David S. Miller --- drivers/net/gianfar.c | 30 ++++++++++++++++++++++++------ drivers/net/gianfar.h | 7 +++++++ 2 files changed, 31 insertions(+), 6 deletions(-) diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index dbbeee372ef8..854f2ae3e56e 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -304,8 +304,9 @@ static int gfar_probe(struct of_device *ofdev, 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 @@ static int gfar_probe(struct of_device *ofdev, 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 @@ int startup_gfar(struct net_device *dev) /* 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 @@ int startup_gfar(struct net_device *dev) } 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 @@ int startup_gfar(struct net_device *dev) } 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 @@ int startup_gfar(struct net_device *dev) } } 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; diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 7ef3cc5cabe9..06bac34c3b52 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -374,6 +374,8 @@ extern const char gfar_driver_version[]; #define RXFCB_PERR_MASK 0x000c #define RXFCB_PERR_BADL3 0x0008 +#define GFAR_INT_NAME_MAX IFNAMSIZ + 4 + struct txbd8 { union { @@ -796,6 +798,11 @@ struct gfar_private { uint32_t msg_enable; struct work_struct reset_task; + + char int_name_tx[GFAR_INT_NAME_MAX]; + char int_name_rx[GFAR_INT_NAME_MAX]; + char int_name_er[GFAR_INT_NAME_MAX]; + /* Network Statistics */ struct gfar_extra_stats extra_stats; }; -- 2.11.0