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authorAhmed S. Darwish <darwish.07@gmail.com>2008-02-17 17:59:54 -0500
committerIngo Molnar <mingo@elte.hu>2008-02-19 10:18:34 -0500
commit7c6357da1185d286adaa4452d829ac9b27c4d12f (patch)
tree083ea8780740a262fb55616b05ec7055f17fb73f /arch/x86
parent3f85d63ea4ff922f6abdb509f4aaf6993b3273a3 (diff)
x86: i8259A: remove redundant irq_descinitialization
Remove redundant irq_desc[NR_IRQS] element initialization in init_ISA_irqs(). irq_desc[NR_IRQS] is already statically initialized with the same values in kernel/irq/handle.c . besides the clean-up value this also saves some space: text data bss dec hex filename 1389 356 14 1759 6df i8259_32.o.before 1325 356 14 1695 69f i8259_32.o.after Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/i8259_32.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/arch/x86/kernel/i8259_32.c b/arch/x86/kernel/i8259_32.c
index 2d25b77102fe..fe631967d625 100644
--- a/arch/x86/kernel/i8259_32.c
+++ b/arch/x86/kernel/i8259_32.c
@@ -26,8 +26,6 @@
26 * present in the majority of PC/AT boxes. 26 * present in the majority of PC/AT boxes.
27 * plus some generic x86 specific things if generic specifics makes 27 * plus some generic x86 specific things if generic specifics makes
28 * any sense at all. 28 * any sense at all.
29 * this file should become arch/i386/kernel/irq.c when the old irq.c
30 * moves to arch independent land
31 */ 29 */
32 30
33static int i8259A_auto_eoi; 31static int i8259A_auto_eoi;
@@ -362,23 +360,12 @@ void __init init_ISA_irqs (void)
362#endif 360#endif
363 init_8259A(0); 361 init_8259A(0);
364 362
365 for (i = 0; i < NR_IRQS; i++) { 363 /*
366 irq_desc[i].status = IRQ_DISABLED; 364 * 16 old-style INTA-cycle interrupts:
367 irq_desc[i].action = NULL; 365 */
368 irq_desc[i].depth = 1; 366 for (i = 0; i < 16; i++) {
369 367 set_irq_chip_and_handler_name(i, &i8259A_chip,
370 if (i < 16) { 368 handle_level_irq, "XT");
371 /*
372 * 16 old-style INTA-cycle interrupts:
373 */
374 set_irq_chip_and_handler_name(i, &i8259A_chip,
375 handle_level_irq, "XT");
376 } else {
377 /*
378 * 'high' PCI IRQs filled in on demand
379 */
380 irq_desc[i].chip = &no_irq_chip;
381 }
382 } 369 }
383} 370}
384 371