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

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Message-ID: <37525238-c9f8-4f0e-b4e5-4e2f05fab775@stanley.mountain>
Date: Fri, 11 Oct 2024 16:06:06 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Kevin Chen <kevin_chen@...eedtech.com>
Cc: tglx@...utronix.de, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, joel@....id.au, andrew@...econstruct.com.au,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org
Subject: Re: [PATCH v3 2/2] irqchip/aspeed-intc: Add support for AST27XX INTC

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;