diff options
Diffstat (limited to 'arch/xtensa/kernel/irq.c')
| -rw-r--r-- | arch/xtensa/kernel/irq.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index e90d7821119..6f4f9749cff 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -19,6 +19,7 @@ #include <linux/irq.h> #include <linux/kernel_stat.h> #include <linux/irqdomain.h> +#include <linux/of.h> #include <asm/uaccess.h> #include <asm/platform.h> @@ -199,8 +200,17 @@ void __init init_IRQ(void) cached_irq_mask = 0; set_sr(~0, intclear); +#ifdef CONFIG_OF + /* The interrupt controller device node is mandatory */ + intc = of_find_compatible_node(NULL, NULL, "xtensa,pic"); + BUG_ON(!intc); + + root_domain = irq_domain_add_linear(intc, NR_IRQS, + &xtensa_irq_domain_ops, NULL); +#else root_domain = irq_domain_add_legacy(intc, NR_IRQS, 0, 0, &xtensa_irq_domain_ops, NULL); +#endif irq_set_default_host(root_domain); variant_init_irq(); |