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;