Thomas Gleixner <[email protected]> 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
