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: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Link: https://lore.kernel.org/r/9da3460113b5092e8658e12f23578567aab7cc5f.1647373009.git.vilhelm.gray@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -26,10 +26,13 @@ struct interrupt_cnt_priv {
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static irqreturn_t interrupt_cnt_isr(int irq, void *dev_id)
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static irqreturn_t interrupt_cnt_isr(int irq, void *dev_id)
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{
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{
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struct interrupt_cnt_priv *priv = dev_id;
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struct counter_device *counter = dev_id;
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struct interrupt_cnt_priv *priv = counter_priv(counter);
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atomic_inc(&priv->count);
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atomic_inc(&priv->count);
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counter_push_event(counter, COUNTER_EVENT_CHANGE_OF_STATE, 0);
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return IRQ_HANDLED;
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return IRQ_HANDLED;
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}
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}
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@ -209,7 +212,7 @@ static int interrupt_cnt_probe(struct platform_device *pdev)
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irq_set_status_flags(priv->irq, IRQ_NOAUTOEN);
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irq_set_status_flags(priv->irq, IRQ_NOAUTOEN);
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ret = devm_request_irq(dev, priv->irq, interrupt_cnt_isr,
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ret = devm_request_irq(dev, priv->irq, interrupt_cnt_isr,
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IRQF_TRIGGER_RISING | IRQF_NO_THREAD,
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IRQF_TRIGGER_RISING | IRQF_NO_THREAD,
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dev_name(dev), priv);
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dev_name(dev), counter);
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if (ret)
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if (ret)
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return ret;
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return ret;
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