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authorMarc Zyngier <marc.zyngier@arm.com>2017-08-18 10:39:25 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-08-18 10:54:43 +0200
commit500912121411e0175d44b69a7810ac6068e78326 (patch)
tree218d8be8c0cb91cfbcad32caeadc2ce5a82f44fb /drivers/irqchip/irq-xtensa-mx.c
parentirqchip/mips-gic: Report that effective affinity is a single target (diff)
downloadlinux-500912121411e0175d44b69a7810ac6068e78326.tar.xz
linux-500912121411e0175d44b69a7810ac6068e78326.zip
irqchip/xtensa-mx: Report that effective affinity is a single target
The xtensa-mx 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/20170818083925.10108-13-marc.zyngier@arm.com
Diffstat (limited to 'drivers/irqchip/irq-xtensa-mx.c')
-rw-r--r--drivers/irqchip/irq-xtensa-mx.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-xtensa-mx.c b/drivers/irqchip/irq-xtensa-mx.c
index 72a391e01011..a15a9510c904 100644
--- a/drivers/irqchip/irq-xtensa-mx.c
+++ b/drivers/irqchip/irq-xtensa-mx.c
@@ -32,6 +32,7 @@ static int xtensa_mx_irq_map(struct irq_domain *d, unsigned int irq,
irq_set_status_flags(irq, IRQ_LEVEL);
return 0;
}
+ irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq)));
return xtensa_irq_map(d, irq, hw);
}
@@ -121,9 +122,12 @@ static int xtensa_mx_irq_retrigger(struct irq_data *d)
static int xtensa_mx_irq_set_affinity(struct irq_data *d,
const struct cpumask *dest, bool force)
{
- unsigned mask = 1u << cpumask_any_and(dest, cpu_online_mask);
+ int cpu = cpumask_any_and(dest, cpu_online_mask);
+ unsigned mask = 1u << cpu;
set_er(mask, MIROUT(d->hwirq - HW_IRQ_MX_BASE));
+ irq_data_update_effective_affinity(d, cpumask_of(cpu));
+
return 0;
}