Hi Andrew, On Wed, Dec 18, 2019 at 12:00 PM Andrew Lunn <andrew@xxxxxxx> wrote: > Hi Fabio > > Look closer. This is not about returning an error, it is about > printing an error. > > I think the API could better. A %ie formatter would make a lot of > sense, so avoiding the ERR_PTR(). Yes, I think that returning the error like: dev_err(dev, "Couldn't determine irq count: %d\n", nr_irq_parent); would make the code cleaner. Maybe just a matter of taste though ;-)