diff options
author | Arnd Bergmann <arnd@arndb.de> | 2011-10-31 09:08:10 -0400 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-31 09:08:10 -0400 |
commit | 08cab72f91c8b28ffabfd143119bccdd4a115ad7 (patch) | |
tree | ccd5583971caecd82bf2d1e62691bf6e0362d650 /kernel/irq/irqdesc.c | |
parent | 86c1e5a74af11e4817ffa6d7748d9ac1353b5b53 (diff) | |
parent | f37a53cc5d8a8fb199e41386d125d8c2ed9e54ef (diff) |
Merge branch 'dt/gic' into next/dt
Conflicts:
arch/arm/include/asm/localtimer.h
arch/arm/mach-msm/board-msm8x60.c
arch/arm/mach-omap2/board-generic.c
Diffstat (limited to 'kernel/irq/irqdesc.c')
-rw-r--r-- | kernel/irq/irqdesc.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 039b889ea053..1550e8447a16 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c | |||
@@ -424,11 +424,22 @@ unsigned int irq_get_next_irq(unsigned int offset) | |||
424 | } | 424 | } |
425 | 425 | ||
426 | struct irq_desc * | 426 | struct irq_desc * |
427 | __irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus) | 427 | __irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus, |
428 | unsigned int check) | ||
428 | { | 429 | { |
429 | struct irq_desc *desc = irq_to_desc(irq); | 430 | struct irq_desc *desc = irq_to_desc(irq); |
430 | 431 | ||
431 | if (desc) { | 432 | if (desc) { |
433 | if (check & _IRQ_DESC_CHECK) { | ||
434 | if ((check & _IRQ_DESC_PERCPU) && | ||
435 | !irq_settings_is_per_cpu_devid(desc)) | ||
436 | return NULL; | ||
437 | |||
438 | if (!(check & _IRQ_DESC_PERCPU) && | ||
439 | irq_settings_is_per_cpu_devid(desc)) | ||
440 | return NULL; | ||
441 | } | ||
442 | |||
432 | if (bus) | 443 | if (bus) |
433 | chip_bus_lock(desc); | 444 | chip_bus_lock(desc); |
434 | raw_spin_lock_irqsave(&desc->lock, *flags); | 445 | raw_spin_lock_irqsave(&desc->lock, *flags); |
@@ -443,6 +454,25 @@ void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus) | |||
443 | chip_bus_sync_unlock(desc); | 454 | chip_bus_sync_unlock(desc); |
444 | } | 455 | } |
445 | 456 | ||
457 | int irq_set_percpu_devid(unsigned int irq) | ||
458 | { | ||
459 | struct irq_desc *desc = irq_to_desc(irq); | ||
460 | |||
461 | if (!desc) | ||
462 | return -EINVAL; | ||
463 | |||
464 | if (desc->percpu_enabled) | ||
465 | return -EINVAL; | ||
466 | |||
467 | desc->percpu_enabled = kzalloc(sizeof(*desc->percpu_enabled), GFP_KERNEL); | ||
468 | |||
469 | if (!desc->percpu_enabled) | ||
470 | return -ENOMEM; | ||
471 | |||
472 | irq_set_percpu_devid_flags(irq); | ||
473 | return 0; | ||
474 | } | ||
475 | |||
446 | /** | 476 | /** |
447 | * dynamic_irq_cleanup - cleanup a dynamically allocated irq | 477 | * dynamic_irq_cleanup - cleanup a dynamically allocated irq |
448 | * @irq: irq number to initialize | 478 | * @irq: irq number to initialize |