On Thu, 25 Apr 2024 13:04:07 +0300 Andy Shevchenko <andy@xxxxxxxxxx> wrote: > On Thu, Apr 25, 2024 at 11:34:47AM +0200, Marek Behún wrote: > > On Wed, 24 Apr 2024 22:47:10 +0300 > > Andy Shevchenko <andy@xxxxxxxxxx> wrote: > > > On Wed, Apr 24, 2024 at 08:51:23PM +0200, Marek Behún wrote: > > ... > > > > For what purpose? I don't see drivers doing that. Are you expecting that > > > the same IRQ mapping will be reused for something else? Can you elaborate > > > how? (I can imagine one theoretical / weird case how to achieve that, > > > but impractical.) > > > > I do a lot of binding/unbinding of that driver. I was under the > > impression that all resources should be dropped on driver unbind. > > > > > Besides above, this is asymmetrical call to gpiod_to_irq(). If we really care > > > about this, it should be provided by GPIO library. > > > > Something like the following? > > Not needed. IRQ mappings are per domain, and GPIO chip has its own associated > with the respective lifetime, AFAIU when you remove the GPIO chip, all mappings > will be disposed (as I pointed out in previous mail). > OMG you are right :) of course. OK, I shall drop this. Marek
