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staging: iio: simplify logic in iio_interrupt_handler

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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jonathan Cameron 2010-09-04 17:54:44 +01:00 • committed by Greg Kroah-Hartman
parent b156cf70e1
commit b6e5d69a9e
1 changed files with 2 additions and 11 deletions
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13
drivers/staging/iio/industrialio-core.c
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@ -125,19 +125,10 @@ static irqreturn_t iio_interrupt_handler(int irq, void *_int_info)
}
time_ns = iio_get_time_ns();
/* detect single element list*/
if (list_is_singular(&int_info->ev_list)) {
list_for_each_entry(p, &int_info->ev_list, list) {
disable_irq_nosync(irq);
p = list_first_entry(&int_info->ev_list,
struct iio_event_handler_list,
list);
/* single event handler - maybe shared */
p->handler(dev_info, 1, time_ns, !(p->refcount > 1));
} else
list_for_each_entry(p, &int_info->ev_list, list) {
disable_irq_nosync(irq);
p->handler(dev_info, 1, time_ns, 0);
}
}
spin_unlock_irqrestore(&int_info->ev_list_lock, flags);
return IRQ_HANDLED;