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

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Message-ID: <20240306095539.0da4e342@canb.auug.org.au>
Date: Wed, 6 Mar 2024 09:55:39 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Lee Jones <lee@...nel.org>
Cc: Duje Mihanović <duje.mihanovic@...le.hr>, 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 backlight tree

Hi Lee,

On Tue, 5 Mar 2024 09:17:37 +0000 Lee Jones <lee@...nel.org> wrote:
> On Tue, 05 Mar 2024, Stephen Rothwell wrote:
> > On Mon, 26 Feb 2024 13:28:28 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:  
> > >
> > > After merging the backlight tree, today's linux-next build (x86_64
> > > allmodconfig) failed like this:
> > > 
> > > drivers/video/backlight/ktd2801-backlight.c:8:10: fatal error: linux/leds-expresswire.h: No such file or directory
> > >     8 | #include <linux/leds-expresswire.h>
> > >       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~
> > > 
> > > Caused by commit
> > > 
> > >   48749e2f14e3 ("backlight: Add Kinetic KTD2801 backlight support")
> > > 
> > > I have used the backlight tree from next-20240223 for today.  
> > 
> > I am still getting this failure.  
> 
> I just pushed a bunch of patches.

I saw only 3 new ones (forgot to push?) none of which addressed this
problem.

> Please let me know if this is still an issue tomorrow.

The problem is that after Feb 23, you rebased your tree and dropped commit

  25ae5f5f4168 ("leds: Introduce ExpressWire library")

which (added the leds-expresswire.h header), but kept commit

  48749e2f14e3 ("backlight: Add Kinetic KTD2801 backlight support")

which uses it.

-- 
Cheers,
Stephen Rothwell

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