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From: Michal Simek <michal.simek@xilinx.com>
To: linux-kernel@vger.kernel.org, monstr@monstr.eu
Cc: Zach Pfeffer <zachp@xilinx.com>, Nathan Rossi <nrossi@xilinx.com>,
	Arnd Bergmann <arnd@arndb.de>,
	catalin.marinas@arm.com, will.deacon@arm.com,
	Nathan Rossi <nathan.rossi@xilinx.com>,
	Michal Marek <mmarek@suse.cz>,
	linux-kbuild@vger.kernel.org
Subject: [PATCH] kbuild: Create directory for target DTB
Date: Thu,  5 Mar 2015 14:38:41 +0100	[thread overview]
Message-ID: <eeaee5ea1dc1082db84c91567a9fe6260138512e.1425562715.git.michal.simek@xilinx.com> (raw)

From: Nathan Rossi <nathan.rossi@xilinx.com>

When building specific DTBs out of the kernel tree the vendor subdirs
(boot/dts/<vendor>) are not created, ensure that they are before
building the DTB.

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

Problem is visible with arm64 for out of tree builds.
make O=/tmp/kkk/ defconfig
make O=/tmp/kkk/ cavium/thunder-88xx.dtb

  DTC     arch/arm64/boot/dts/cavium/thunder-88xx.dtb
cc1: fatal error: opening output file
arch/arm64/boot/dts/cavium/.thunder-88xx.dtb.dts.tmp: No such file or
directory
compilation terminated.
make[2]: *** [arch/arm64/boot/dts/cavium/thunder-88xx.dtb] Error 1
make[1]: *** [cavium/thunder-88xx.dtb] Error 2

Building specific dtb target on arm32 is working fine
make O=/tmp/kkk4/ multi_v7_defconfig
make O=/tmp/kkk4/ zynq-zc702.dtb

This is the way how Yocto is building dtb for specific target.
---
 scripts/Makefile.lib | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 044eb4f89a91..6e3356005ec4 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -282,7 +282,8 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
 	$(call cmd,dt_S_dtb)
 
 quiet_cmd_dtc = DTC     $@
-cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+cmd_dtc = mkdir -p `dirname ${dtc-tmp}` ; \
+	$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
 	$(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \
 		-i $(dir $<) $(DTC_FLAGS) \
 		-d $(depfile).dtc.tmp $(dtc-tmp) ; \
-- 
1.8.2.3


             reply	other threads:[~2015-03-05 13:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-05 13:38 Michal Simek [this message]
2015-03-17 10:33 ` [PATCH] kbuild: Create directory for target DTB Will Deacon

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