diff options
Diffstat (limited to 'kernel/irq/chip.c')
-rw-r--r-- | kernel/irq/chip.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index e0e93ff10afd..77e551d92239 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c | |||
@@ -324,6 +324,17 @@ static void default_shutdown(unsigned int irq) | |||
324 | desc->status |= IRQ_MASKED; | 324 | desc->status |= IRQ_MASKED; |
325 | } | 325 | } |
326 | 326 | ||
327 | /* Temporary migration helpers */ | ||
328 | static void compat_bus_lock(struct irq_data *data) | ||
329 | { | ||
330 | data->chip->bus_lock(data->irq); | ||
331 | } | ||
332 | |||
333 | static void compat_bus_sync_unlock(struct irq_data *data) | ||
334 | { | ||
335 | data->chip->bus_sync_unlock(data->irq); | ||
336 | } | ||
337 | |||
327 | /* | 338 | /* |
328 | * Fixup enable/disable function pointers | 339 | * Fixup enable/disable function pointers |
329 | */ | 340 | */ |
@@ -346,6 +357,11 @@ void irq_chip_set_defaults(struct irq_chip *chip) | |||
346 | chip->disable : default_shutdown; | 357 | chip->disable : default_shutdown; |
347 | if (!chip->end) | 358 | if (!chip->end) |
348 | chip->end = dummy_irq_chip.end; | 359 | chip->end = dummy_irq_chip.end; |
360 | |||
361 | if (chip->bus_lock) | ||
362 | chip->irq_bus_lock = compat_bus_lock; | ||
363 | if (chip->bus_sync_unlock) | ||
364 | chip->irq_bus_sync_unlock = compat_bus_sync_unlock; | ||
349 | } | 365 | } |
350 | 366 | ||
351 | static inline void mask_ack_irq(struct irq_desc *desc, int irq) | 367 | static inline void mask_ack_irq(struct irq_desc *desc, int irq) |
@@ -687,7 +703,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, | |||
687 | desc->irq_data.chip = &dummy_irq_chip; | 703 | desc->irq_data.chip = &dummy_irq_chip; |
688 | } | 704 | } |
689 | 705 | ||
690 | chip_bus_lock(irq, desc); | 706 | chip_bus_lock(desc); |
691 | raw_spin_lock_irqsave(&desc->lock, flags); | 707 | raw_spin_lock_irqsave(&desc->lock, flags); |
692 | 708 | ||
693 | /* Uninstall? */ | 709 | /* Uninstall? */ |
@@ -707,7 +723,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, | |||
707 | desc->irq_data.chip->startup(irq); | 723 | desc->irq_data.chip->startup(irq); |
708 | } | 724 | } |
709 | raw_spin_unlock_irqrestore(&desc->lock, flags); | 725 | raw_spin_unlock_irqrestore(&desc->lock, flags); |
710 | chip_bus_sync_unlock(irq, desc); | 726 | chip_bus_sync_unlock(desc); |
711 | } | 727 | } |
712 | EXPORT_SYMBOL_GPL(__set_irq_handler); | 728 | EXPORT_SYMBOL_GPL(__set_irq_handler); |
713 | 729 | ||