Commit 257e3df4 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Greg Kroah-Hartman
Browse files

counter: interrupt-cnt: add counter_push_event() 

Add counter_push_event() to notify user space about new pulses

Link: https://lore.kernel.org/r/20220203135727.2374052-3-o.rempel@pengutronix.de


Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: default avatarWilliam Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/9da3460113b5092e8658e12f23578567aab7cc5f.1647373009.git.vilhelm.gray@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 73799a88

drivers/counter/interrupt-cnt.c

+5 −2
Original line number Diff line number Diff line
@@ -26,10 +26,13 @@ struct interrupt_cnt_priv { 


static irqreturn_t interrupt_cnt_isr(int irq, void *dev_id)

{

	struct interrupt_cnt_priv *priv = dev_id;

	struct counter_device *counter = dev_id;

	struct interrupt_cnt_priv *priv = counter_priv(counter);



	atomic_inc(&priv->count);



	counter_push_event(counter, COUNTER_EVENT_CHANGE_OF_STATE, 0);



	return IRQ_HANDLED;

}
@@ -209,7 +212,7 @@ static int interrupt_cnt_probe(struct platform_device *pdev) 
	irq_set_status_flags(priv->irq, IRQ_NOAUTOEN);

	ret = devm_request_irq(dev, priv->irq, interrupt_cnt_isr,

			       IRQF_TRIGGER_RISING | IRQF_NO_THREAD,

			       dev_name(dev), priv);

			       dev_name(dev), counter);

	if (ret)

		return ret;