summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorPaul Burton <paul.burton@imgtec.com>2015-09-22 11:29:10 -0700
committerRalf Baechle <ralf@linux-mips.org>2015-09-27 14:11:17 +0200
commitab41f6c8620a6e65df4ee19d284c97efdd3d9b63 (patch)
tree7d5081dd54460e3a7533ec2a51da304b4f4bdbb3 /drivers
parent7573b94e08aeb5b814e2f277210bdcdf21a83869 (diff)
irqchip: mips-gic: Convert CPU numbers to VP IDs.
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 <paul.burton@imgtec.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mips@linux-mips.org Cc: Paul Burton <paul.burton@imgtec.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11212/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/irqchip/irq-mips-gic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index af2f16bb8a94..842a53d3f4ad 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -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);