On Sat, 25 Oct 2014, Marc Zyngier wrote:
> +int irq_get_irqchip_state(unsigned int irq, int state)
> +{
> + struct irq_desc *desc;
> + struct irq_data *data;
> + struct irq_chip *chip;
> + int val;
> +
> + desc = irq_to_desc(irq);
> + if (!desc)
> + return -EINVAL;
> +
> + data = irq_desc_get_irq_data(desc);
> +
> + chip = irq_desc_get_chip(desc);
> + if (!chip->irq_get_irqchip_state)
> + return -EINVAL;
> +
> + chip_bus_lock(desc);
> + val = chip->irq_get_irqchip_state(data, state);
Hmm. What's the irq_get_irqchip_state() callback supposed to return?
Thanks,
tglx
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