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irqchip/bcm-6345-l1: Report that effective affinity is a single target

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The BCM 6345-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/20170818083925.10108-8-marc.zyngier@arm.com
This commit is contained in:
Marc Zyngier 2017-08-18 09:39:20 +01:00 committed by Thomas Gleixner
parent e31793a3e5
commit d0ed5e8e14
2 changed files with 4 additions and 0 deletions
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1
drivers/irqchip/Kconfig
View File

@ -96,6 +96,7 @@ config BCM6345_L1_IRQ
bool
select GENERIC_IRQ_CHIP
select IRQ_DOMAIN
select GENERIC_IRQ_EFFECTIVE_AFF_MASK
config BCM7038_L1_IRQ
bool

3
drivers/irqchip/irq-bcm6345-l1.c
View File

@ -231,6 +231,8 @@ static int bcm6345_l1_set_affinity(struct irq_data *d,
}
raw_spin_unlock_irqrestore(&intc->lock, flags);
irq_data_update_effective_affinity(d, cpumask_of(new_cpu));
return IRQ_SET_MASK_OK_NOCOPY;
}
@ -291,6 +293,7 @@ static int bcm6345_l1_map(struct irq_domain *d, unsigned int virq,
irq_set_chip_and_handler(virq,
&bcm6345_l1_irq_chip, handle_percpu_irq);
irq_set_chip_data(virq, d->host_data);
irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq)));
return 0;
}