From 78930f09b9406db029c69dcebad10cd7b6e06fae Mon Sep 17 00:00:00 2001 From: Qais Yousef Date: Tue, 8 Dec 2015 13:20:26 +0000 Subject: [PATCH] irqchip/mips-gic: Clear percpu_masks correctly when mapping When setting the mapping for a hwirq, make sure we clear percpu_masks for all other cpus in case it was set previously. Signed-off-by: Qais Yousef Acked-by: Ralf Baechle Cc: Cc: Cc: Cc: Cc: Cc: Qais Yousef Link: http://lkml.kernel.org/r/1449580830-23652-16-git-send-email-qais.yousef@imgtec.com Signed-off-by: Thomas Gleixner --- drivers/irqchip/irq-mips-gic.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 1fe73a191120..83395bf834c8 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -773,6 +773,7 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq, { int intr = GIC_HWIRQ_TO_SHARED(hw); unsigned long flags; + int i; irq_set_chip_and_handler(virq, &gic_level_irq_controller, handle_level_irq); @@ -780,6 +781,8 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq, spin_lock_irqsave(&gic_lock, flags); gic_map_to_pin(intr, gic_cpu_pin); gic_map_to_vpe(intr, vpe); + for (i = 0; i < gic_vpes; i++) + clear_bit(intr, pcpu_masks[i].pcpu_mask); set_bit(intr, pcpu_masks[vpe].pcpu_mask); spin_unlock_irqrestore(&gic_lock, flags); -- 2.20.1