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Commit d0ed5e8e authored by Marc Zyngier's avatar Marc Zyngier Committed by Thomas Gleixner
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irqchip/bcm-6345-l1: Report that effective affinity is a single target 



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: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarThomas 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
parent e31793a3

drivers/irqchip/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/irqchip/irq-bcm6345-l1.c

+3 −0
Original line number Diff line number Diff line
@@ -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;

}