[PATCH v5 4/6] ARM: mediatek: Add sysirq interrupt polarity support

Yingjoe Chen yingjoe.chen at mediatek.com
Mon Nov 3 23:04:21 PST 2014


On Wed, 2014-10-29 at 18:00 +0800, Yingjoe Chen wrote:
> diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
> new file mode 100644
> index 0000000..4403bcf
> --- /dev/null
> +++ b/drivers/irqchip/irq-mtk-sysirq.c
> +static int mtk_sysirq_domain_alloc(struct irq_domain *domain, unsigned int virq,
> +				   unsigned int nr_irqs, void *arg)
> +{
> +	int i, ret;
> +	irq_hw_number_t hwirq;
> +	struct of_phandle_args *irq_data = arg;
> +
> +	if (irq_data->args_count < 3)
> +		return -EINVAL;
> +
> +	hwirq = irq_data->args[1];
> +	for (i = 0; i < nr_irqs; i++)
> +		irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i,
> +					      &mtk_sysirq_chip,
> +					      domain->host_data);
> +
> +	return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg);
> +}

(answering my own patch)
The ret is not used in this function. I'll remove it in next version.

Besides this, is there anything that should be changed in this series?

Joe.C





More information about the linux-arm-kernel mailing list