Messages in this thread | | | Date | Mon, 20 Jul 2015 23:28:17 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [RFCv2 PATCH 1/8] irqdomain: Introduce irq_domain_ops.init_alloc_info |
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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?
Thanks,
tglx
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