fix to only reprogram the interrupt controller if neccessary

2015-10-11 18:27:41 +00:00
parent 7058762c28
commit 352bf75f85
1 changed files with 7 additions and 1 deletions
--- a/sys/interrupts.c
+++ b/sys/interrupts.c
@@ -336,6 +336,12 @@ bool irq5_handler(void *arg1, void *arg2)
        pending_interrupts & FBEE_INTR_PCI_INTC ||
        pending_interrupts & FBEE_INTR_PCI_INTD)
    {
+        int handle;
+
+        if ((handle = pci_get_interrupt_cause() != -1))
+        {
+            pci_call_interrupt_chain(handle, 0L);
+        }
        dbg("PCI interrupt IRQ5\r\n");
        FBEE_INTR_CLEAR = FBEE_INTR_PCI_INTA |
                          FBEE_INTR_PCI_INTB |