genirq: temporary fix for level-triggered IRQ resend

[powerpc.git] / kernel / irq / resend.c

diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 5bfeaed..c382727 100644 (file)
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -62,6 +62,15 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
         */
        desc->chip->enable(irq);
 
+       /*
+        * Temporary hack to figure out more about the problem, which
+        * is causing the ancient network cards to die.
+        */
+       if (desc->handle_irq != handle_edge_irq) {
+               WARN_ON_ONCE(1);
+               return;
+       }
+
        if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
                desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;