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authorMarc Zyngier <marc.zyngier@arm.com>2017-08-18 11:39:19 +0300
committerThomas Gleixner <tglx@linutronix.de>2017-08-18 11:54:41 +0300
commite31793a3e51137a910b827b18e532d6c1fa54514 (patch)
treea1883c6d9f736e1e36a1b881f6d1e0454932c912 /drivers/irqchip/irq-armada-370-xp.c
parent0d224d3508f5ba67438b921fc37cf179c9652f20 (diff)
downloadlinux-e31793a3e51137a910b827b18e532d6c1fa54514.tar.xz
irqchip/armada-370-xp: Report that effective affinity is a single target
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.zyngier@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: James Hogan <james.hogan@imgtec.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Chris Zankel <chris@zankel.net> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Wei Xu <xuwei5@hisilicon.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Gregory Clement <gregory.clement@free-electrons.com> Cc: Matt Redfearn <matt.redfearn@imgtec.com> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: http://lkml.kernel.org/r/20170818083925.10108-7-marc.zyngier@arm.com
Diffstat (limited to 'drivers/irqchip/irq-armada-370-xp.c')
-rw-r--r--drivers/irqchip/irq-armada-370-xp.c3
1 files changed, 3 insertions, 0 deletions
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);