[PATCH v2 1/5] arm: mvebu: Add support for local interrupt

Gregory CLEMENT
2013-01-25T17:32:41Z

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>
---
arch/arm/mach-mvebu/irq-armada-370-xp.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-mvebu/irq-armada-370-xp.c b/arch/arm/mach-mvebu/irq-armada-370-xp.c
index f99a4a2..274ff58 100644
--- 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);
--
1.7.9.5