linux-kernel - Re: linux-next: build failure after merge of the driver-core tree

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Message-ID: <CAGETcx9zM2OdbNDcC7pXGtY9yqRgb-wt0YzFv6wfNgQi0gM+8w@mail.gmail.com>
Date:   Wed, 10 Feb 2021 11:17:16 -0800
From:   Saravana Kannan <saravanak@...gle.com>
To:     Greg KH <greg@...ah.com>, Rob Herring <robh+dt@...nel.org>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the driver-core tree

On Wed, Feb 10, 2021 at 11:06 AM Saravana Kannan <saravanak@...gle.com> wrote:
>
> On Wed, Feb 10, 2021 at 10:18 AM Greg KH <greg@...ah.com> wrote:
> >
> > On Wed, Feb 10, 2021 at 09:47:20PM +1100, Stephen Rothwell wrote:
> > > Hi all,
> > >
> > > After merging the driver-core tree, today's linux-next build (sparc64
> > > defconfig) failed like this:
> > >
> > > drivers/of/property.o: In function `parse_interrupts':
> > > property.c:(.text+0x14e0): undefined reference to `of_irq_parse_one'
> > >
> > > Caused by commit
> > >
> > >   f265f06af194 ("of: property: Fix fw_devlink handling of interrupts/interrupts-extended")
> > >
> > > CONFIG_OF_IRQ depends on !SPARC so of_irq_parse_one() needs a stub.
> > > I have added the following patch for today.
> > >
> > > From: Stephen Rothwell <sfr@...b.auug.org.au>
> > > Date: Wed, 10 Feb 2021 21:27:56 +1100
> > > Subject: [PATCH] of: irq: make a stub for of_irq_parse_one()
> > >
> > > Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > > ---
> > >  include/linux/of_irq.h | 9 +++++++--
> > >  1 file changed, 7 insertions(+), 2 deletions(-)
>
> Thanks Stephen!

Actually the stub needs to return an error. 0 indicates it found the interrupt.

-Saravana