diff options
| -rw-r--r-- | drivers/net/dm9000.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index 5470062659f4..ec9730aee1e3 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -90,9 +90,9 @@ #define writesb outsb #define writesw outsw #define writesl outsl -#define DM9000_IRQ_FLAGS (IRQF_SHARED | IRQF_TRIGGER_HIGH) +#define DEFAULT_TRIGGER IRQF_TRIGGER_HIGH #else -#define DM9000_IRQ_FLAGS (IRQF_SHARED | IRQT_RISING) +#define DEFAULT_TRIGGER (0) #endif /* @@ -614,10 +614,21 @@ static int dm9000_open(struct net_device *dev) { board_info_t *db = (board_info_t *) dev->priv; + unsigned long irqflags = db->irq_res->flags & IRQF_TRIGGER_MASK; dev_dbg(db->dev, "entering %s\n", __func__); - if (request_irq(dev->irq, &dm9000_interrupt, DM9000_IRQ_FLAGS, dev->name, dev)) + /* If there is no IRQ type specified, default to something that + * may work, and tell the user that this is a problem */ + + if (irqflags == IRQF_TRIGGER_NONE) { + dev_warn(db->dev, "WARNING: no IRQ resource flags set.\n"); + irqflags = DEFAULT_TRIGGER; + } + + irqflags |= IRQF_SHARED; + + if (request_irq(dev->irq, &dm9000_interrupt, irqflags, dev->name, dev)) return -EAGAIN; /* Initialize DM9000 board */ |