arm: mvebu: Add support for local interrupt

MPIC allows the use of private interrupt for each CPUs. The 28th first
interrupts are per-cpu. This patch adds support to use them.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --git a/arch/arm/mach-mvebu/irq-armada-370-xp.c b/arch/arm/mach-mvebu/irq-armada-370-xp.c
index f99a4a2a250d7d8691e25f9571bac420f74efc49..274ff58271de149f168a1a901ccc435ea131f690 100644 (file)
--- a/arch/arm/mach-mvebu/irq-armada-370-xp.c
+++ b/arch/arm/mach-mvebu/irq-armada-370-xp.c
@@ -145,10 +145,17 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
 {
        armada_370_xp_irq_mask(irq_get_irq_data(virq));
        writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
-
-       irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
-                                handle_level_irq);
        irq_set_status_flags(virq, IRQ_LEVEL);
+
+       if (hw < ARMADA_370_XP_MAX_PER_CPU_IRQS) {
+               irq_set_percpu_devid(virq);
+               irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
+                                       handle_percpu_devid_irq);
+
+       } else {
+               irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
+                                       handle_level_irq);
+       }
        set_irq_flags(virq, IRQF_VALID | IRQF_PROBE);
 
        return 0;
@@ -245,7 +252,7 @@ asmlinkage void __exception_irq_entry armada_370_xp_handle_irq(struct pt_regs
                if (irqnr > 1022)
                        break;
 
-               if (irqnr >= 8) {
+               if (irqnr > 0) {
                        irqnr = irq_find_mapping(armada_370_xp_mpic_domain,
                                        irqnr);
                        handle_IRQ(irqnr, regs);