x86: i8259A: remove redundant irq_descinitialization
[sfrench/cifs-2.6.git] / arch / x86 / kernel / i8259_32.c
index 2d25b77102fe19e964291713c94e1dd62a0b1466..fe631967d6255e3f27a675346f23359153a95299 100644 (file)
@@ -26,8 +26,6 @@
  * present in the majority of PC/AT boxes.
  * plus some generic x86 specific things if generic specifics makes
  * any sense at all.
- * this file should become arch/i386/kernel/irq.c when the old irq.c
- * moves to arch independent land
  */
 
 static int i8259A_auto_eoi;
@@ -362,23 +360,12 @@ void __init init_ISA_irqs (void)
 #endif
        init_8259A(0);
 
-       for (i = 0; i < NR_IRQS; i++) {
-               irq_desc[i].status = IRQ_DISABLED;
-               irq_desc[i].action = NULL;
-               irq_desc[i].depth = 1;
-
-               if (i < 16) {
-                       /*
-                        * 16 old-style INTA-cycle interrupts:
-                        */
-                       set_irq_chip_and_handler_name(i, &i8259A_chip,
-                                                     handle_level_irq, "XT");
-               } else {
-                       /*
-                        * 'high' PCI IRQs filled in on demand
-                        */
-                       irq_desc[i].chip = &no_irq_chip;
-               }
+       /*
+        * 16 old-style INTA-cycle interrupts:
+        */
+       for (i = 0; i < 16; i++) {
+               set_irq_chip_and_handler_name(i, &i8259A_chip,
+                                             handle_level_irq, "XT");
        }
 }