From: Jon Hunter <jonathanh@nvidia.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-kernel@vger.kernel.org, Jon Hunter <jonathanh@nvidia.com>
Subject: [PATCH 1/2] irqchip/gic: Only populate set_affinity for the root controller
Date: Tue, 9 Feb 2016 15:24:56 +0000 [thread overview]
Message-ID: <1455031497-14043-1-git-send-email-jonathanh@nvidia.com> (raw)
Setting the affinity of an IRQ, it only applicable for the root
interrupt controller and so only populate this operator for the root
controller.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
drivers/irqchip/irq-gic.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 911758c056c1..db7b161b0295 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -384,9 +384,6 @@ static struct irq_chip gic_chip = {
.irq_unmask = gic_unmask_irq,
.irq_eoi = gic_eoi_irq,
.irq_set_type = gic_set_type,
-#ifdef CONFIG_SMP
- .irq_set_affinity = gic_set_affinity,
-#endif
.irq_get_irqchip_state = gic_irq_get_irqchip_state,
.irq_set_irqchip_state = gic_irq_set_irqchip_state,
.flags = IRQCHIP_SET_TYPE_MASKED |
@@ -400,9 +397,6 @@ static struct irq_chip gic_eoimode1_chip = {
.irq_unmask = gic_unmask_irq,
.irq_eoi = gic_eoimode1_eoi_irq,
.irq_set_type = gic_set_type,
-#ifdef CONFIG_SMP
- .irq_set_affinity = gic_set_affinity,
-#endif
.irq_get_irqchip_state = gic_irq_get_irqchip_state,
.irq_set_irqchip_state = gic_irq_set_irqchip_state,
.irq_set_vcpu_affinity = gic_irq_set_vcpu_affinity,
@@ -1039,6 +1033,11 @@ static void __init __gic_init_bases(unsigned int gic_nr, int irq_start,
gic->chip.name = kasprintf(GFP_KERNEL, "GIC-%d", gic_nr);
}
+#ifdef CONFIG_SMP
+ if (gic_nr == 0)
+ gic->chip.irq_set_affinity = gic_set_affinity;
+#endif
+
#ifdef CONFIG_GIC_NON_BANKED
if (percpu_offset) { /* Frankein-GIC without banked registers... */
unsigned int cpu;
--
2.1.4
next reply other threads:[~2016-02-09 15:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-09 15:24 Jon Hunter [this message]
2016-02-09 15:24 ` [PATCH 2/2] irqchip/gic: Only set the EOImodeNS bit " Jon Hunter
2016-02-11 9:09 ` Marc Zyngier
2016-02-11 9:07 ` [PATCH 1/2] irqchip/gic: Only populate set_affinity " Marc Zyngier
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