linux-kernel - Re: linux-next: manual merge of the devicetree tree with the kbuild tree

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Message-ID: <20210223095555.70ee4c0c@canb.auug.org.au>
Date:   Tue, 23 Feb 2021 09:55:55 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Rob Herring <robherring2@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Rob Herring <robh@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: linux-next: manual merge of the devicetree tree with the kbuild
 tree

Hi all,

On Mon, 15 Feb 2021 09:32:02 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Fri, 5 Feb 2021 14:45:40 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > 
> > Today's linux-next merge of the devicetree tree got a conflict in:
> > 
> >   scripts/Makefile.lib
> > 
> > between commit:
> > 
> >   d73a6a04c76a ("kbuild: use always-y instead of extra-y")
> > 
> > from the kbuild tree and commit:
> > 
> >   ce88c9c79455 ("kbuild: Add support to build overlays (%.dtbo)")
> > 
> > from the devicetree tree.
> > 
> > I fixed it up (see below) and can carry the fix as necessary. This
> > is now fixed as far as linux-next is concerned, but any non trivial
> > conflicts should be mentioned to your upstream maintainer when your tree
> > is submitted for merging.  You may also want to consider cooperating
> > with the maintainer of the conflicting tree to minimise any particularly
> > complex conflicts.
> > 
> > diff --cc scripts/Makefile.lib
> > index 6f248ff91982,b00855b247e0..000000000000
> > --- a/scripts/Makefile.lib
> > +++ b/scripts/Makefile.lib
> > @@@ -85,12 -81,14 +85,14 @@@ always-y += $(userprogs-always-y) $(use
> >   
> >   # DTB
> >   # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built
> >  -extra-y				+= $(dtb-y)
> >  -extra-$(CONFIG_OF_ALL_DTBS)	+= $(dtb-)
> >  +always-y			+= $(dtb-y)
> >  +always-$(CONFIG_OF_ALL_DTBS)	+= $(dtb-)
> >   
> >   ifneq ($(CHECK_DTBS),)
> >  -extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y))
> >  -extra-y += $(patsubst %.dtbo,%.dt.yaml, $(dtb-y))
> >  -extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-))
> >  -extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtbo,%.dt.yaml, $(dtb-))
> >  +always-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y))
> > ++always-y += $(patsubst %.dtbo,%.dt.yaml, $(dtb-y))
> >  +always-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-))
> > ++always-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtbo,%.dt.yaml, $(dtb-))
> >   endif
> >   
> >   # Add subdir path  
> 
> With the merge window about to open, this is a reminder that this
> conflict still exists.

This is now a conflict between the kbuild tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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