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Commit 64b5aaad authored by Marc Zyngier's avatar Marc Zyngier Committed by Thomas Gleixner
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irqchip/metag-ext: Report that effective affinity is a single target 



The metag-ext 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/20170818083925.10108-10-marc.zyngier@arm.com
parent b8d9884a

arch/metag/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ config METAG 
	select HAVE_SYSCALL_TRACEPOINTS

	select HAVE_UNDERSCORE_SYMBOL_PREFIX

	select IRQ_DOMAIN

	select GENERIC_IRQ_EFFECTIVE_AFF_MASK

	select MODULES_USE_ELF_RELA

	select OF

	select OF_EARLY_FLATTREE

drivers/irqchip/irq-metag-ext.c

+4 −0
Original line number Diff line number Diff line
@@ -518,6 +518,8 @@ static int meta_intc_set_affinity(struct irq_data *data, 


	metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr);



	irq_data_update_effective_affinity(data, cpumask_of(cpu));



	return 0;

}

#else
@@ -578,6 +580,8 @@ static int meta_intc_map(struct irq_domain *d, unsigned int irq, 
	else

		irq_set_chip_and_handler(irq, &meta_intc_edge_chip,

					 handle_edge_irq);



	irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq)));

	return 0;

}