From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ley Foon Tan Subject: Re: [PATCH v2 2/9] nios2: build .dtb files in dts directory Date: Wed, 12 Sep 2018 11:18:22 +0800 Message-ID: <1536722302.32190.4.camel@intel.com> References: <20180905235327.5996-1-robh@kernel.org> <20180905235327.5996-3-robh@kernel.org> <1536286895.6128.4.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring Cc: devicetree@vger.kernel.org, "linux-kernel@vger.kernel.org" , Masahiro Yamada , nios2-dev@lists.rocketboards.org List-Id: devicetree@vger.kernel.org On Fri, 2018-09-07 at 13:09 -0500, Rob Herring wrote: > On Thu, Sep 6, 2018 at 9:21 PM Ley Foon Tan > wrote: > > > > > > On Wed, 2018-09-05 at 18:53 -0500, Rob Herring wrote: > > > > > > Align nios2 with other architectures which build the dtb files in > > > the > > > same directory as the dts files. This is also in line with most > > > other > > > build targets which are located in the same directory as the > > > source. > > > This move will help enable the 'dtbs' target which builds all the > > > dtbs > > > regardless of kernel config. > > > > > > This transition could break some scripts if they expect dtb files > > > in > > > the old location. > > > > > > Cc: Ley Foon Tan > > > Cc: nios2-dev@lists.rocketboards.org > > > Signed-off-by: Rob Herring > > > --- > > > Please ack so I can take the whole series via the DT tree. > > > > > >  arch/nios2/Makefile          | 4 ++-- > > >  arch/nios2/boot/Makefile     | 4 ---- > > >  arch/nios2/boot/dts/Makefile | 1 + > > >  3 files changed, 3 insertions(+), 6 deletions(-) > > >  create mode 100644 arch/nios2/boot/dts/Makefile > > > > > > diff --git a/arch/nios2/Makefile b/arch/nios2/Makefile > > > index 8673a79dca9c..50eece1c6adb 100644 > > > --- a/arch/nios2/Makefile > > > +++ b/arch/nios2/Makefile > > > @@ -59,10 +59,10 @@ archclean: > > >         $(Q)$(MAKE) $(clean)=$(nios2-boot) > > > > > >  %.dtb: | scripts > > > -       $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ > > > +       $(Q)$(MAKE) $(build)=$(nios2-boot)/dts $(nios2- > > > boot)/dts/$@ > > > > > >  dtbs: > > > -       $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ > > > +       $(Q)$(MAKE) $(build)=$(nios2-boot)/dts > > > > > >  $(BOOT_TARGETS): vmlinux > > >         $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ > > > diff --git a/arch/nios2/boot/Makefile b/arch/nios2/boot/Makefile > > > index 2ba23a679732..007586094dde 100644 > > > --- a/arch/nios2/boot/Makefile > > > +++ b/arch/nios2/boot/Makefile > > > @@ -47,10 +47,6 @@ obj-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += > > > linked_dtb.o > > > > > >  targets += $(dtb-y) > > > > > > -# Rule to build device tree blobs with make command > > > -$(obj)/%.dtb: $(src)/dts/%.dts FORCE > > > -       $(call if_changed_dep,dtc) > > > - > > >  $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) > > > > > >  install: > > > diff --git a/arch/nios2/boot/dts/Makefile > > > b/arch/nios2/boot/dts/Makefile > > > new file mode 100644 > > > index 000000000000..f66554cd5c45 > > > --- /dev/null > > > +++ b/arch/nios2/boot/dts/Makefile > > > @@ -0,0 +1 @@ > > > +# SPDX-License-Identifier: GPL-2.0 > > > -- > > > 2.17.1 > > > > > Hi Rob > > > > I have synced your all-dtbs branch from here: https://git.kernel.or > > g/pu > > b/scm/linux/kernel/git/robh/linux.git/log/?h=all-dtbs > > > > It shows error when compile kernel image and also when "make > > dtbs_install". > Can you fetch the branch again and try it. I fixed a few dependency > issues. > > > > > make dtbs_install > > make[1]: *** No rule to make target > > 'arch/nios2/boot/dts/arch/nios2/boot/dts/10m50_devboard.dtb', > > needed by > > 'arch/nios2/boot/dts/arch/nios2/boot/dts/10m50_devboard.dtb.S'.  St > > op. > What is the value of CONFIG_NIOS2_DTB_SOURCE? As patch 3 notes, it > now > should not have any path. > > If that's a problem, I could take the basename to strip the path, but > then sub directories wouldn't work either. > > BTW, next up, I want to consolidate the config variables for built-in > dtbs. > Hi Rob CONFIG_NIOS2_DTB_SOURCE has the relative path to dts file, arch/nios2/boot/dts/arch/nios2/boot/dts/10m50_devboard.dts Change CONFIG_NIOS2_DTB_SOURCE=10m50_devboard.dtb.S fix the dtb build issue. Regards Ley Foon