> +static irqreturn_t b53_srab_port_isr(int irq, void *dev_id)
> +{
> + struct b53_srab_port_priv *port = dev_id;
> + struct b53_device *dev = port->dev;
> + struct b53_srab_priv *priv = dev->priv;
> +
> + /* Acknowledge the interrupt */
> + writel(BIT(port->num), priv->regs + B53_SRAB_INTR);
> +
> + schedule_work(&port->irq_work);
> +
> + return IRQ_HANDLED;
> +}
> +
> +static int b53_srab_irq_enable(struct b53_device *dev, int port)
> +{
> + struct b53_srab_priv *priv = dev->priv;
> + struct b53_srab_port_priv *p = &priv->port_intrs[port];
> + int ret;
> +
> + ret = request_irq(p->irq, b53_srab_port_isr, 0,
> + dev_name(dev->dev), p);
Hi Florian
Could you use a threaded interrupt? Save you from having to implement
your own work queue. I think you can have a function called in both
interrupt context in order to acknowledged the interrupt, and thread
context to do the remaining work.
Andrew