Messages in this thread | | | Subject | Re: [RFCv2 PATCH 1/8] irqdomain: Introduce irq_domain_ops.init_alloc_info | From | Suravee Suthikulpanit <> | Date | Thu, 23 Jul 2015 13:50:42 +0700 |
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On 7/21/15 04:28, Thomas Gleixner wrote: > On Mon, 13 Jul 2015, Suravee Suthikulpanit wrote: > >> Currently, when calling irq_domain_alloc_irqs() on ARM64, it uses >> struct of_phandle_args to pass irq information. However, this is not >> appropriate for ACPI since of_phandle_args is specific to DT. >> >> Therefore, this patch introduces a new function pointer, >> irq_domain_ops.init_alloc_info, which can be used by irqchips to provide >> a way to initialize irqchip-specific data-structure for allocating IRQ. >> >> Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> >> --- >> NOTE: >> Similarly, x86 is currently using struct irq_alloc_info >> (see arch/x86/include/asm/hw_irq.h) and each irq_domain has different >> way of initializing this structure. > > And why don't you use the same mechanism on ARM and have a private > irq_alloc_info implementation which can carry either DT or ACPI > information?
Let me look further into this. I would like to take a similar approach here.
Suravee
> Thanks, > > tglx > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
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