[PATCH 09/12] irqchip/metag-ext: Report that effective affinity is a single target

[Marc Zyngier]

The metag-ext 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>
---
 arch/metag/Kconfig              | 1 +
 drivers/irqchip/irq-metag-ext.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig
index 5b7a45d99cfb..7d8b322e5101 100644
--- a/arch/metag/Kconfig
+++ b/arch/metag/Kconfig
@@ -26,6 +26,7 @@ config METAG
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_UNDERSCORE_SYMBOL_PREFIX
 	select IRQ_DOMAIN
+	select GENERIC_IRQ_EFFECTIVE_AFF_MASK
 	select MODULES_USE_ELF_RELA
 	select OF
 	select OF_EARLY_FLATTREE
diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c
index 0cdd923d1535..be7216bfb8dd 100644
--- a/drivers/irqchip/irq-metag-ext.c
+++ b/drivers/irqchip/irq-metag-ext.c
@@ -518,6 +518,8 @@ static int meta_intc_set_affinity(struct irq_data *data,
 
 	metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr);
 
+	irq_data_update_effective_affinity(data, cpumask_of(cpu));
+
 	return 0;
 }
 #else
@@ -578,6 +580,8 @@ static int meta_intc_map(struct irq_domain *d, unsigned int irq,
 	else
 		irq_set_chip_and_handler(irq, &meta_intc_edge_chip,
 					 handle_edge_irq);
+
+	irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq)));
 	return 0;
 }
 
-- 
2.11.0