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| author | Marc Zyngier <marc.zyngier@arm.com> | 2017-08-18 10:39:19 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-08-18 10:54:41 +0200 |
| commit | e31793a3e51137a910b827b18e532d6c1fa54514 (patch) | |
| tree | a1883c6d9f736e1e36a1b881f6d1e0454932c912 /drivers | |
| parent | irqchip/gic-v3-its: Report that effective affinity is a single target (diff) | |
| download | linux-e31793a3e51137a910b827b18e532d6c1fa54514.tar.xz linux-e31793a3e51137a910b827b18e532d6c1fa54514.zip | |
irqchip/armada-370-xp: Report that effective affinity is a single target
The Armada 370 XP 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/20170818083925.10108-7-marc.zyngier@arm.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/irqchip/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-armada-370-xp.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index ce99c1ee6c7d..cd688777553c 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -66,6 +66,7 @@ config ARMADA_370_XP_IRQ bool select GENERIC_IRQ_CHIP select PCI_MSI if PCI + select GENERIC_IRQ_EFFECTIVE_AFF_MASK config ALPINE_MSI bool diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index b207b2c3aa55..eb815676c088 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -330,6 +330,8 @@ static int armada_xp_set_affinity(struct irq_data *d, writel(reg, main_int_base + ARMADA_370_XP_INT_SOURCE_CTL(hwirq)); raw_spin_unlock(&irq_controller_lock); + irq_data_update_effective_affinity(d, cpumask_of(cpu)); + return IRQ_SET_MASK_OK; } #endif @@ -363,6 +365,7 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h, } else { irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip, handle_level_irq); + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq))); } irq_set_probe(virq); |