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authorMarc Zyngier <marc.zyngier@arm.com>2017-08-18 11:39:16 +0300
committerThomas Gleixner <tglx@linutronix.de>2017-08-18 11:54:40 +0300
commit0c9e498286ef9762e0ae62fc8a02b4739796970f (patch)
treeb4577b94693b0267433dba53badbef468ba62ef8 /drivers/irqchip/irq-gic.c
parent6bc6d4abd22e890cf69a05554fa8f8f83f351515 (diff)
downloadlinux-0c9e498286ef9762e0ae62fc8a02b4739796970f.tar.xz
irqchip/gic: Report that effective affinity is a single target
The 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@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/20170818083925.10108-4-marc.zyngier@arm.com
Diffstat (limited to 'drivers/irqchip/irq-gic.c')
-rw-r--r--drivers/irqchip/irq-gic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 1b1df4f770bd..20dd2ba3d603 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -344,6 +344,8 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
writel_relaxed(val | bit, reg);
gic_unlock_irqrestore(flags);
+ irq_data_update_effective_affinity(d, cpumask_of(cpu));
+
return IRQ_SET_MASK_OK_DONE;
}
#endif
@@ -966,6 +968,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
irq_domain_set_info(d, irq, hw, &gic->chip, d->host_data,
handle_fasteoi_irq, NULL, NULL);
irq_set_probe(irq);
+ irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq)));
}
return 0;
}