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    SubjectRe: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/
    Date
    Thomas Gleixner <tglx@linutronix.de> wrote:

    > > > > Btw, is it possible to use IRQ grants to prevent a device that has limited
    > > > > IRQ options from being drivable?
    > > >
    > > > What do you mean with 'IRQ grants' ?
    > >
    > > request_irq().
    >
    > I still can't parse the sentence above. If request_irq() fails the device
    > initialization fails. If you request the wrong irq then request_irq() might
    > succeed but the device won't work.

    I was talking about having using a driver to make request_irq() grant an irq
    to that driver so that another driver can't bind to its device because all its
    irq options are taken and the irqs can't be shared.

    David

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