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| author | Marc Zyngier <marc.zyngier@arm.com> | 2017-08-18 09:39:25 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-08-18 10:54:43 +0200 |
| commit | 500912121411e0175d44b69a7810ac6068e78326 (patch) | |
| tree | 218d8be8c0cb91cfbcad32caeadc2ce5a82f44fb | |
| parent | 18416e45b76189daf37ba53b2bd0b9ac3749e92e (diff) | |
| download | linux-500912121411e0175d44b69a7810ac6068e78326.tar.gz linux-500912121411e0175d44b69a7810ac6068e78326.tar.bz2 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
| -rw-r--r-- | drivers/irqchip/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-xtensa-mx.c | 6 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index bca9a88012f0..1139de9da21a 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -223,6 +223,7 @@ config VERSATILE_FPGA_IRQ_NR config XTENSA_MX bool select IRQ_DOMAIN + select GENERIC_IRQ_EFFECTIVE_AFF_MASK config XILINX_INTC bool 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; } |