[PATCH v2 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.zyng...@arm.com>
---
 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