linux-kernel - Re: irq: Invalid fwnode type (2) for irqdomain

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Date:   Wed, 5 Jul 2017 12:41:06 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
cc:     linux-kernel@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>
Subject: Re: irq: Invalid fwnode type (2) for irqdomain

On Wed, 5 Jul 2017, Paul Menzel wrote:
> On a Lenovo X60t with coreboot based firmware testing the latest master
> branch from Linus, the message below is new, and isn’t there with Linux
> 4.12.
> 
> ```
> irq: Invalid fwnode type (2) for irqdomain
> ```
> 
> `git blame kernel/irq/irqdomain.c` shows, the message is added in
> commit d59f661 (genirq: Allow fwnode to carry name information only).
> 
> The commit message describes the warning.
> 
> > Warn if an invalid node is supplied and treat it like no node. This
> > happens e.g. with i2 devices on x86 which hand in an ACPI type node
> > which has no interface for retrieving the name.
> 
> How can I find out, how the ACPI/ASL has to be fixed?

It's not an ACPI/ASL issue. Sorry, if the description and error message is
not clear. That's a kernel internal issue because we have no interface yet
to retrieve the required information. I'll have a look later today.

Thanks,

	tglx