On Wed, Mar 03, 2021 at 10:22:02AM +0100, Linus Walleij wrote:
> On Tue, Mar 2, 2021 at 4:35 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> > When IRQ domain is created for an ACPI case, the name of it becomes unknown-%d
> > since for now it utilizes of_node member only and doesn't consider fwnode case.
> > Convert IRQ domain creation code to utilize fwnode instead.
> >
> > Before/After the change on Intel Galileo Gen 2 with two GPIO (IRQ) controllers:
> >
> > unknown-1 ==> \_SB.PCI0.GIP0.GPO
> > unknown-2 ==> \_SB.NIO3
> >
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>
> This first part seems to do what you want,
...
> But this:
>
> > @@ -1504,15 +1497,14 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
> > return ret;
> > } else {
> > /* Some drivers provide custom irqdomain ops */
> > - if (gc->irq.domain_ops)
> > - ops = gc->irq.domain_ops;
> > -
> > - if (!ops)
> > - ops = &gpiochip_domain_ops;
> > - gc->irq.domain = irq_domain_add_simple(np,
> > - gc->ngpio,
> > - gc->irq.first,
> > - ops, gc);
> > + ops = gc->irq.domain_ops ?: &gpiochip_domain_ops;
> > + if (gc->irq.first)
> > + gc->irq.domain = irq_domain_create_legacy(fwnode, gc->ngpio,
> > + gc->irq.first, 0,
> > + ops, gc);
> > + else
> > + gc->irq.domain = irq_domain_create_linear(fwnode, gc->ngpio,
> > + ops, gc);
>
> This looks like a refactoring and reimplementation of irq_domain_add_simple()?
If you named it as irq_domain_create_simple(), then yes, but the problem is
that we don't have irq_domain_create_simple() API right now.
> Why, and should it rather be a separate patch?
Nope.
--
With Best Regards,
Andy Shevchenko
