[PATCH v2 06/12] irqchip/armada-370-xp: Report that effective affinity is a single target

[Marc Zyngier]

The Armada 370 XP driver only targets a single CPU at a time, even if
the notional affinity is wider. Let's inform the core code
about this.

Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
---
 drivers/irqchip/Kconfig             | 1 +
 drivers/irqchip/irq-armada-370-xp.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index ce99c1ee6c7d..cd688777553c 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -66,6 +66,7 @@ config ARMADA_370_XP_IRQ
        bool
        select GENERIC_IRQ_CHIP
        select PCI_MSI if PCI
+       select GENERIC_IRQ_EFFECTIVE_AFF_MASK
 
 config ALPINE_MSI
        bool
diff --git a/drivers/irqchip/irq-armada-370-xp.c 
b/drivers/irqchip/irq-armada-370-xp.c
index b207b2c3aa55..eb815676c088 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -330,6 +330,8 @@ static int armada_xp_set_affinity(struct irq_data *d,
        writel(reg, main_int_base + ARMADA_370_XP_INT_SOURCE_CTL(hwirq));
        raw_spin_unlock(&irq_controller_lock);
 
+       irq_data_update_effective_affinity(d, cpumask_of(cpu));
+
        return IRQ_SET_MASK_OK;
 }
 #endif
@@ -363,6 +365,7 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
        } else {
                irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
                                        handle_level_irq);
+               
irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq)));
        }
        irq_set_probe(virq);
 
-- 
2.11.0