diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-12-31 02:14:29 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-12-31 02:14:29 -0500 |
commit | 5fdf7e5975a0b0f6a0370655612c5dca3fd6311b (patch) | |
tree | 639c536e818c6ace974aa285ba94576df0353b01 /kernel/irq/chip.c | |
parent | 7a51cffbd10886c0557677dd916c090097c691ef (diff) | |
parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) |
Merge branch 'linus' into tracing/kmemtrace
Conflicts:
mm/slub.c
Diffstat (limited to 'kernel/irq/chip.c')
-rw-r--r-- | kernel/irq/chip.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 10b5092e9bfe..6eb3c7952b64 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c | |||
@@ -24,9 +24,10 @@ | |||
24 | */ | 24 | */ |
25 | void dynamic_irq_init(unsigned int irq) | 25 | void dynamic_irq_init(unsigned int irq) |
26 | { | 26 | { |
27 | struct irq_desc *desc = irq_to_desc(irq); | 27 | struct irq_desc *desc; |
28 | unsigned long flags; | 28 | unsigned long flags; |
29 | 29 | ||
30 | desc = irq_to_desc(irq); | ||
30 | if (!desc) { | 31 | if (!desc) { |
31 | WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq); | 32 | WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq); |
32 | return; | 33 | return; |
@@ -124,6 +125,7 @@ int set_irq_type(unsigned int irq, unsigned int type) | |||
124 | return -ENODEV; | 125 | return -ENODEV; |
125 | } | 126 | } |
126 | 127 | ||
128 | type &= IRQ_TYPE_SENSE_MASK; | ||
127 | if (type == IRQ_TYPE_NONE) | 129 | if (type == IRQ_TYPE_NONE) |
128 | return 0; | 130 | return 0; |
129 | 131 | ||
@@ -352,6 +354,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc) | |||
352 | 354 | ||
353 | spin_lock(&desc->lock); | 355 | spin_lock(&desc->lock); |
354 | mask_ack_irq(desc, irq); | 356 | mask_ack_irq(desc, irq); |
357 | desc = irq_remap_to_desc(irq, desc); | ||
355 | 358 | ||
356 | if (unlikely(desc->status & IRQ_INPROGRESS)) | 359 | if (unlikely(desc->status & IRQ_INPROGRESS)) |
357 | goto out_unlock; | 360 | goto out_unlock; |
@@ -429,6 +432,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) | |||
429 | desc->status &= ~IRQ_INPROGRESS; | 432 | desc->status &= ~IRQ_INPROGRESS; |
430 | out: | 433 | out: |
431 | desc->chip->eoi(irq); | 434 | desc->chip->eoi(irq); |
435 | desc = irq_remap_to_desc(irq, desc); | ||
432 | 436 | ||
433 | spin_unlock(&desc->lock); | 437 | spin_unlock(&desc->lock); |
434 | } | 438 | } |
@@ -465,12 +469,14 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) | |||
465 | !desc->action)) { | 469 | !desc->action)) { |
466 | desc->status |= (IRQ_PENDING | IRQ_MASKED); | 470 | desc->status |= (IRQ_PENDING | IRQ_MASKED); |
467 | mask_ack_irq(desc, irq); | 471 | mask_ack_irq(desc, irq); |
472 | desc = irq_remap_to_desc(irq, desc); | ||
468 | goto out_unlock; | 473 | goto out_unlock; |
469 | } | 474 | } |
470 | kstat_incr_irqs_this_cpu(irq, desc); | 475 | kstat_incr_irqs_this_cpu(irq, desc); |
471 | 476 | ||
472 | /* Start handling the irq */ | 477 | /* Start handling the irq */ |
473 | desc->chip->ack(irq); | 478 | desc->chip->ack(irq); |
479 | desc = irq_remap_to_desc(irq, desc); | ||
474 | 480 | ||
475 | /* Mark the IRQ currently in progress.*/ | 481 | /* Mark the IRQ currently in progress.*/ |
476 | desc->status |= IRQ_INPROGRESS; | 482 | desc->status |= IRQ_INPROGRESS; |
@@ -531,8 +537,10 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc) | |||
531 | if (!noirqdebug) | 537 | if (!noirqdebug) |
532 | note_interrupt(irq, desc, action_ret); | 538 | note_interrupt(irq, desc, action_ret); |
533 | 539 | ||
534 | if (desc->chip->eoi) | 540 | if (desc->chip->eoi) { |
535 | desc->chip->eoi(irq); | 541 | desc->chip->eoi(irq); |
542 | desc = irq_remap_to_desc(irq, desc); | ||
543 | } | ||
536 | } | 544 | } |
537 | 545 | ||
538 | void | 546 | void |
@@ -567,8 +575,10 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, | |||
567 | 575 | ||
568 | /* Uninstall? */ | 576 | /* Uninstall? */ |
569 | if (handle == handle_bad_irq) { | 577 | if (handle == handle_bad_irq) { |
570 | if (desc->chip != &no_irq_chip) | 578 | if (desc->chip != &no_irq_chip) { |
571 | mask_ack_irq(desc, irq); | 579 | mask_ack_irq(desc, irq); |
580 | desc = irq_remap_to_desc(irq, desc); | ||
581 | } | ||
572 | desc->status |= IRQ_DISABLED; | 582 | desc->status |= IRQ_DISABLED; |
573 | desc->depth = 1; | 583 | desc->depth = 1; |
574 | } | 584 | } |