Changeset 389 for GPL/trunk/lib32/irq.c

Timestamp:

Oct 8, 2008, 4:42:59 PM (17 years ago)

Author:

rjerant

Message:

Port interrupt fixes to 1.1.4 code base

File:

• GPL/trunk/lib32/irq.c (modified) (1 diff)

GPL/trunk/lib32/irq.c

@@ -200 +200 @@
                 rc = pSlot->irqHandlers[u].handler(pSlot->irqNo,
                                                    pSlot->irqHandlers[u].x2, 0);
+
+                // HDA Hardware generates controller interrupts and stream interrupts
+                // the uniaud16 driver only cares about stream interrupts.
+                // azx_process_interrupt will return rc 2 if the interttupt is from the
+                // controller. There is no need to call uniaud16 for these interrupts
+                if ( rc == 2 ) {
+                    fInInterrupt = FALSE;
+                    *pulIrq = pSlot->irqNo;
+                    eoiIrq[pSlot->irqNo] = 0;
+                    return TRUE;
+                }
+
                 if (rc == 1) eoi_irq(pSlot->irqNo);
                 rc = (eoiIrq[pSlot->irqNo] > 0);