[PATCH v3 2/2] irqchip/aspeed-intc: Add support for AST27XX INTC
Kevin Chen
kevin_chen at aspeedtech.com
Mon Oct 14 11:17:05 AEDT 2024
> > +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.
OK. Fixed. Thanks a lot.
>
> regards,
> dan carpenter
>
> > + }
> > +
> > + return 0;
>
More information about the Linux-aspeed
mailing list