atheros: add kernel workaround for bringing up eth1 on devices with a micrel switch...

[openwrt.git] / target / linux / ifxmips / patches-2.6.28 / 200-genirq_fix.patch

--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -524,6 +524,9 @@ handle_percpu_irq(unsigned int irq, stru
 
        kstat_incr_irqs_this_cpu(irq, desc);
 
+       if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
+               return;
+
        if (desc->chip->ack)
                desc->chip->ack(irq);