Re: [PATCH v4 0/7] fix fwnode_irq_get[_byname()] returnvalue

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Tue, May 16, 2023 at 9:12 AM Matti Vaittinen
<mazziesaccount@xxxxxxxxx> wrote:

> The fwnode_irq_get() and the fwnode_irq_get_byname() may have returned
> zero if mapping the IRQ fails. This contradicts the
> fwnode_irq_get_byname() documentation. Furthermore, returning zero or
> errno on error is unepected and can easily lead to problems
> like:

Also, zero is not really a valid IRQ, it means NO_IRQ:
https://lwn.net/Articles/470820/

I'll apply the pinctrl patches.

Yours,
Linus Walleij