[PATCH 11/12] irqchip/mips-gic: Report that effective affinity is a single target

[Marc Zyngier]

The MIPS GIC 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.zyngier@xxxxxxx>
---
 drivers/irqchip/Kconfig        | 1 +
 drivers/irqchip/irq-mips-gic.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 39bfa5b25b54..bca9a88012f0 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -141,6 +141,7 @@ config IRQ_MIPS_CPU
 	select GENERIC_IRQ_IPI if SYS_SUPPORTS_MULTITHREADING
 	select IRQ_DOMAIN
 	select IRQ_DOMAIN_HIERARCHY if GENERIC_IRQ_IPI
+	select GENERIC_IRQ_EFFECTIVE_AFF_MASK
 
 config CLPS711X_IRQCHIP
 	bool
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 6ab1d3afec02..e075cb25fad6 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -463,6 +463,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
 	set_bit(irq, pcpu_masks[cpumask_first(&tmp)].pcpu_mask);
 
 	cpumask_copy(irq_data_get_affinity_mask(d), cpumask);
+	irq_data_update_effective_affinity(d, cpumask);
 	spin_unlock_irqrestore(&gic_lock, flags);
 
 	return IRQ_SET_MASK_OK_NOCOPY;
@@ -716,6 +717,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq,
 		if (err)
 			return err;
 
+		irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq)));
 		return gic_shared_irq_domain_map(d, virq, hwirq, 0);
 	}
 
-- 
2.11.0