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Commit 78930f09 authored by Qais Yousef's avatar Qais Yousef Committed by Thomas Gleixner
Browse files

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: default avatarQais Yousef <qais.yousef@imgtec.com>
Acked-by: default avatarRalf Baechle <ralf@linux-mips.org>
Cc: <jason@lakedaemon.net>
Cc: <marc.zyngier@arm.com>
Cc: <jiang.liu@linux.intel.com>
Cc: <linux-mips@linux-mips.org>
Cc: <lisa.parratt@imgtec.com>
Cc: Qais Yousef <qsyousef@gmail.com>
Link: http://lkml.kernel.org/r/1449580830-23652-16-git-send-email-qais.yousef@imgtec.com


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 2a078705

drivers/irqchip/irq-mips-gic.c

+3 −0
Original line number Diff line number Diff line
@@ -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);