diff options
Diffstat (limited to 'arch/xtensa/kernel')
| -rw-r--r-- | arch/xtensa/kernel/irq.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index 3cef58e28332..7d49730f4056 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -123,6 +123,14 @@ unsigned xtensa_map_ext_irq(unsigned ext_irq) return XCHAL_NUM_INTERRUPTS; } +unsigned xtensa_get_ext_irq_no(unsigned irq) +{ + unsigned mask = (XCHAL_INTTYPE_MASK_EXTERN_EDGE | + XCHAL_INTTYPE_MASK_EXTERN_LEVEL) & + ((1u << irq) - 1); + return hweight32(mask); +} + void __init init_IRQ(void) { #ifdef CONFIG_OF |