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    SubjectRe: [Kernel-discuss] RFC - platform device, IRQs and SoC devices
    Ian Molton wrote:
    > Hi there.
    > Im working on some SoC type devices attached to the system bus of my ARM
    > devboard in an isa-like way.
    > The devices are small SoC (System On Chip) types, with one IRQ routed to
    > the half dozen (sub)devices on board the SoC.

    I just thought of a 'third way'.

    let IRQchips have their own struct irq_desc and have subdevice IRQs
    start from 0.

    since those IRQs can only be raised by the parent chip I think this
    ought to work, and would eliminated the problem of a fixed size irq array...
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      Last update: 2006-11-25 12:43    [W:0.020 / U:403.716 seconds]
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