On Sat, 15 Apr 2017, David Howells wrote: > 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.
Thanks,
tglx
