[PATCH v2 2/2] counter: interrupt-cnt: add counter_push_event()
From: Oleksij Rempel
Date: Thu Feb 03 2022 - 09:06:15 EST
Add counter_push_event() to notify user space about new pulses
Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
drivers/counter/interrupt-cnt.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/counter/interrupt-cnt.c b/drivers/counter/interrupt-cnt.c
index 9e99702470c2..3b13f56bbb11 100644
--- a/drivers/counter/interrupt-cnt.c
+++ b/drivers/counter/interrupt-cnt.c
@@ -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;
--
2.30.2