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irqchip/bcm-7038-l1: Report that effective affinity is a single target
The BCM 7038-L1 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/20170818083925.10108-9-marc.zyngier@arm.com
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@ -102,6 +102,7 @@ config BCM7038_L1_IRQ
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bool
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select GENERIC_IRQ_CHIP
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select IRQ_DOMAIN
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select GENERIC_IRQ_EFFECTIVE_AFF_MASK
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config BCM7120_L2_IRQ
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bool
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@ -212,6 +212,8 @@ static int bcm7038_l1_set_affinity(struct irq_data *d,
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__bcm7038_l1_unmask(d, first_cpu);
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raw_spin_unlock_irqrestore(&intc->lock, flags);
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irq_data_update_effective_affinity(d, cpumask_of(first_cpu));
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return 0;
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}
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@ -299,6 +301,7 @@ static int bcm7038_l1_map(struct irq_domain *d, unsigned int virq,
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{
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irq_set_chip_and_handler(virq, &bcm7038_l1_irq_chip, handle_level_irq);
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irq_set_chip_data(virq, d->host_data);
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irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq)));
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return 0;
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}
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