For platforms which boot with device-tree or have correctly chained all external interrupt controllers, a generic plat_irq_dispatch() can be used. Implement a plat_irq_dispatch() which simply handles all the pending interrupts as reported by C0_Cause.
Signed-off-by: Andrew Bresticker <[email protected]> --- arch/mips/kernel/irq_cpu.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c index ca98a9f..f17bd08 100644 --- a/arch/mips/kernel/irq_cpu.c +++ b/arch/mips/kernel/irq_cpu.c @@ -94,6 +94,21 @@ 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; + for_each_set_bit(irq, &pending, 8) + do_IRQ(MIPS_CPU_IRQ_BASE + irq); +} + static int mips_cpu_intc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { -- 2.1.0.rc2.206.gedb03e5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
