ARCv2: intc: IDU: support irq affinity
With this nsim standlone / OSCI have working irq affinity - AXS103 still needs some work as IDU is not visible in intc hierarchy yet ! Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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@ -218,11 +218,28 @@ static void idu_irq_unmask(struct irq_data *data)
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raw_spin_unlock_irqrestore(&mcip_lock, flags);
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}
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#ifdef CONFIG_SMP
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static int
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idu_irq_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool f)
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idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask,
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bool force)
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{
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unsigned long flags;
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cpumask_t online;
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/* errout if no online cpu per @cpumask */
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if (!cpumask_and(&online, cpumask, cpu_online_mask))
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return -EINVAL;
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raw_spin_lock_irqsave(&mcip_lock, flags);
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idu_set_dest(data->hwirq, cpumask_bits(&online)[0]);
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idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, IDU_M_DISTRI_RR);
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raw_spin_unlock_irqrestore(&mcip_lock, flags);
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return IRQ_SET_MASK_OK;
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}
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#endif
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static struct irq_chip idu_irq_chip = {
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.name = "MCIP IDU Intc",
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