Hi Rob,
On 12 December 2011 09:12, Rob Herring <robherring2@xxxxxxxxx> wrote:
>> +Example:
>> +
>> + combiner:interrupt-controller@10440000 {
>> + compatible = "samsung,exynos4120-combiner";
>> + #interrupt-cells = <2>;
>> + interrupt-controoler;
>
> s/controoler/controller/
Ok. I will fix this.
>
>> + reg = <0x10440000 0x1000>;
>> + };
>
> [snip]
>
>> +
>> +int __init combiner_init_irq_domain(unsigned int irq_base, unsigned int nr_irq,
>
> Make irq_base signed.
Ok.
>
>> + struct device_node *np)
>> +{
>> + struct irq_domain *domain = &combiner_irq_domain;
>> +
>> + domain->irq_base = irq_alloc_descs(irq_base, irq_base, nr_irq, 0);
>
> This should be irq_alloc_descs(irq_base, 1,
>
> So that dynamic allocation can work when irq_base is -1.
Ok. I will modify this.
>
>> + if (domain->irq_base < 0) {
>> + pr_err("failed to alloc irq descs, combiner init failed\n");
>> + return -EBUSY;
>
> On failure, just warn and do:
>
> domain->irq_base = irq_base
>
> instead of returning unless all platforms using this are completely
> converted over to support dynamic Linux virq mapping.
Ok.
>
> Also you should update your platforms' to set mdesc.nr_irq to
> NR_IRQS_LEGACY. And test with SPARSE_IRQ turned on.
Ok. I will test with NR_IRQS_LEGACY. Hope nothing breaks!
Thank you Rob for you review and comments on this patch.
Regards,
Thomas.
>
> Rob
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