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Diffstat (limited to 'drivers/net/sunhme.c')
-rw-r--r--drivers/net/sunhme.c34
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 0ff837a9c80..4e9bd380a5c 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2543,25 +2543,36 @@ static struct quattro * __devinit quattro_sbus_find(struct of_device *child)
}
/* After all quattro cards have been probed, we call these functions
- * to register the IRQ handlers.
+ * to register the IRQ handlers for the cards that have been
+ * successfully probed and skip the cards that failed to initialize
*/
-static void __init quattro_sbus_register_irqs(void)
+static int __init quattro_sbus_register_irqs(void)
{
struct quattro *qp;
for (qp = qfe_sbus_list; qp != NULL; qp = qp->next) {
struct of_device *op = qp->quattro_dev;
- int err;
+ int err, qfe_slot, skip = 0;
+
+ for (qfe_slot = 0; qfe_slot < 4; qfe_slot++) {
+ if (!qp->happy_meals[qfe_slot])
+ skip = 1;
+ }
+ if (skip)
+ continue;
err = request_irq(op->irqs[0],
quattro_sbus_interrupt,
IRQF_SHARED, "Quattro",
qp);
if (err != 0) {
- printk(KERN_ERR "Quattro: Fatal IRQ registery error %d.\n", err);
- panic("QFE request irq");
+ printk(KERN_ERR "Quattro HME: IRQ registration "
+ "error %d.\n", err);
+ return err;
}
}
+
+ return 0;
}
static void quattro_sbus_free_irqs(void)
@@ -2570,6 +2581,14 @@ static void quattro_sbus_free_irqs(void)
for (qp = qfe_sbus_list; qp != NULL; qp = qp->next) {
struct of_device *op = qp->quattro_dev;
+ int qfe_slot, skip = 0;
+
+ for (qfe_slot = 0; qfe_slot < 4; qfe_slot++) {
+ if (!qp->happy_meals[qfe_slot])
+ skip = 1;
+ }
+ if (skip)
+ continue;
free_irq(op->irqs[0], qp);
}
@@ -2826,6 +2845,9 @@ err_out_iounmap:
if (hp->tcvregs)
of_iounmap(&op->resource[4], hp->tcvregs, TCVR_REG_SIZE);
+ if (qp)
+ qp->happy_meals[qfe_slot] = NULL;
+
err_out_free_netdev:
free_netdev(dev);
@@ -3283,7 +3305,7 @@ static int __init happy_meal_sbus_init(void)
err = of_register_driver(&hme_sbus_driver, &of_bus_type);
if (!err)
- quattro_sbus_register_irqs();
+ err = quattro_sbus_register_irqs();
return err;
}