[PATCH v3 2/2] irqchip/aspeed-intc: Add support for AST27XX INTC

Dan Carpenter dan.carpenter at linaro.org
Sat Oct 12 00:06:06 AEDT 2024


On Wed, Oct 09, 2024 at 07:58:13PM +0800, Kevin Chen wrote:
> +static int __init aspeed_intc_ic_of_init(struct device_node *node,
> +					 struct device_node *parent)
> +{
> +	struct aspeed_intc_ic *intc_ic;
> +	int ret = 0;
> +	int irq, i;
> +
> +	intc_ic = kzalloc(sizeof(*intc_ic), GFP_KERNEL);
> +	if (!intc_ic)
> +		return -ENOMEM;
> +
> +	intc_ic->base = of_iomap(node, 0);
> +	if (!intc_ic->base) {
> +		pr_err("Failed to iomap intc_ic base\n");
> +		ret = -ENOMEM;
> +		goto err_free_ic;
> +	}
> +	writel(0xffffffff, intc_ic->base + INTC_INT_STATUS_REG);
> +	writel(0x0, intc_ic->base + INTC_INT_ENABLE_REG);
> +
> +	intc_ic->irq_domain = irq_domain_add_linear(node, 32,
> +						    &aspeed_intc_ic_irq_domain_ops, intc_ic);
> +	if (!intc_ic->irq_domain) {
> +		ret = -ENOMEM;
> +		goto err_iounmap;
> +	}
> +
> +	raw_spin_lock_init(&intc_ic->gic_lock);
> +	raw_spin_lock_init(&intc_ic->intc_lock);
> +
> +	/* Check all the irq numbers valid. If not, unmaps all the base and frees the data. */
> +	for (i = 0; i < of_irq_count(node); i++) {
> +		irq = irq_of_parse_and_map(node, i);
> +		if (!irq) {
> +			pr_err("Failed to get irq number\n");
> +			ret = -EINVAL;
> +			goto err_iounmap;
> +		}
> +	}
> +
> +	for (i = 0; i < of_irq_count(node); i++) {
> +		irq = irq_of_parse_and_map(node, i);
> +			irq_set_chained_handler_and_data(irq, aspeed_intc_ic_irq_handler, intc_ic);

There is an extra tab on this line.

regards,
dan carpenter

> +	}
> +
> +	return 0;




More information about the Linux-aspeed mailing list