diff options
Diffstat (limited to 'arch/mips/kernel/irq_cpu.c')
| -rw-r--r-- | arch/mips/kernel/irq_cpu.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c index ca98a9f..531b11c 100644 --- a/arch/mips/kernel/irq_cpu.c +++ b/arch/mips/kernel/irq_cpu.c @@ -94,6 +94,24 @@ static struct irq_chip mips_mt_cpu_irq_controller = { .irq_eoi = unmask_mips_irq, }; +asmlinkage void __weak plat_irq_dispatch(void) +{ + unsigned long pending = read_c0_cause() & read_c0_status() & ST0_IM; + int irq; + + if (!pending) { + spurious_interrupt(); + return; + } + + pending >>= CAUSEB_IP; + while (pending) { + irq = fls(pending) - 1; + do_IRQ(MIPS_CPU_IRQ_BASE + irq); + pending &= ~BIT(irq); + } +} + static int mips_cpu_intc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { |