diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/handle.c | 47 | ||||
| -rw-r--r-- | kernel/irq/internals.h | 3 |
2 files changed, 42 insertions, 8 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index cdd6fbbe771c..4ef059478ebf 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -51,14 +51,7 @@ static void warn_no_thread(unsigned int irq, struct irqaction *action) "but no thread function available.", irq, action->name); } -/** - * handle_IRQ_event - irq action chain handler - * @irq: the interrupt number - * @action: the interrupt action chain for this irq - * - * Handles the action chain of an irq event - */ -irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) +static irqreturn_t __handle_irq_event(unsigned int irq, struct irqaction *action) { irqreturn_t ret, retval = IRQ_NONE; unsigned int status = 0; @@ -120,3 +113,41 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) return retval; } + +irqreturn_t +handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action) +{ + irqreturn_t ret = __handle_irq_event(desc->irq_data.irq, action); + + if (!noirqdebug) + note_interrupt(desc->irq_data.irq, desc, ret); + return ret; +} + +irqreturn_t handle_irq_event(struct irq_desc *desc) +{ + struct irqaction *action = desc->action; + irqreturn_t ret; + + desc->status &= ~IRQ_PENDING; + desc->status |= IRQ_INPROGRESS; + raw_spin_unlock(&desc->lock); + + ret = handle_irq_event_percpu(desc, action); + + raw_spin_lock(&desc->lock); + desc->status &= ~IRQ_INPROGRESS; + return ret; +} + +/** + * handle_IRQ_event - irq action chain handler + * @irq: the interrupt number + * @action: the interrupt action chain for this irq + * + * Handles the action chain of an irq event + */ +irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) +{ + return __handle_irq_event(irq, action); +} diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index c71fc4de0371..b61824cdadc6 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -45,6 +45,9 @@ extern void irq_disable(struct irq_desc *desc); extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr); +irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action); +irqreturn_t handle_irq_event(struct irq_desc *desc); + /* Resending of interrupts :*/ void check_irq_resend(struct irq_desc *desc, unsigned int irq); bool irq_wait_for_poll(struct irq_desc *desc); |