static irqreturn_t sercos3_handler()

in uio_sercos3.c [75:89]

• 12 lines of code
• 2 McCabe index (conditional complexity)

static irqreturn_t sercos3_handler(int irq, struct uio_info *info)
{
	struct sercos3_priv *priv = info->priv;
	void __iomem *isr0 = info->mem[3].internal_addr + ISR0_OFFSET;
	void __iomem *ier0 = info->mem[3].internal_addr + IER0_OFFSET;

	if (!(ioread32(isr0) & ioread32(ier0)))
		return IRQ_NONE;

	spin_lock(&priv->ier0_cache_lock);
	sercos3_disable_interrupts(info, priv);
	spin_unlock(&priv->ier0_cache_lock);

	return IRQ_HANDLED;
}