diff options
Diffstat (limited to 'drivers/s390/cio/airq.c')
| -rw-r--r-- | drivers/s390/cio/airq.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c index 6ead6d076445..d028fd800c9c 100644 --- a/drivers/s390/cio/airq.c +++ b/drivers/s390/cio/airq.c @@ -81,17 +81,34 @@ void unregister_adapter_interrupt(struct airq_struct *airq) } EXPORT_SYMBOL(unregister_adapter_interrupt); -void do_adapter_IO(u8 isc) +static irqreturn_t do_airq_interrupt(int irq, void *dummy) { + struct tpi_info *tpi_info; struct airq_struct *airq; struct hlist_head *head; - head = &airq_lists[isc]; + __this_cpu_write(s390_idle.nohz_delay, 1); + tpi_info = (struct tpi_info *) &get_irq_regs()->int_code; + head = &airq_lists[tpi_info->isc]; rcu_read_lock(); hlist_for_each_entry_rcu(airq, head, list) if ((*airq->lsi_ptr & airq->lsi_mask) != 0) airq->handler(airq); rcu_read_unlock(); + + return IRQ_HANDLED; +} + +static struct irqaction airq_interrupt = { + .name = "AIO", + .handler = do_airq_interrupt, +}; + +void __init init_airq_interrupts(void) +{ + irq_set_chip_and_handler(THIN_INTERRUPT, + &dummy_irq_chip, handle_percpu_irq); + setup_irq(THIN_INTERRUPT, &airq_interrupt); } /** |