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irqchip: mips-gic: Convert CPU numbers to VP IDs.

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Make use of the mips_cm_vp_id function to convert from Linux CPU numbers
to the VP IDs used by hardware, which are not identical in all systems.
Without doing so we map interrupts to incorrect VP(E)s.

Signed-off-by: Paul Burton <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: Paul Burton <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/11212/
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
Paul Burton 2015-09-22 11:29:10 -07:00 • committed by Ralf Baechle
commit ab41f6c862
1 changed files with 2 additions and 2 deletions
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4
drivers/irqchip/irq-mips-gic.c
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@ -426,7 +426,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
spin_lock_irqsave(&gic_lock, flags);
/* Re-route this IRQ */
gic_map_to_vpe(irq, cpumask_first(&tmp));
gic_map_to_vpe(irq, mips_cm_vp_id(cpumask_first(&tmp)));
/* Update the pcpu_masks */
for (i = 0; i < NR_CPUS; i++)
@ -599,7 +599,7 @@ static __init void gic_ipi_init_one(unsigned int intr, int cpu,
GIC_SHARED_TO_HWIRQ(intr));
int i;
gic_map_to_vpe(intr, cpu);
gic_map_to_vpe(intr, mips_cm_vp_id(cpu));
for (i = 0; i < NR_CPUS; i++)
clear_bit(intr, pcpu_masks[i].pcpu_mask);
set_bit(intr, pcpu_masks[cpu].pcpu_mask);