linux-kernel - [patch 4/7] dt: dtb version: kernel Makefile

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Date:	Wed, 18 Mar 2015 20:36:03 -0700
From:	Frank Rowand <frowand.list@...il.com>
To:	frowand.list@...il.com, Rob Herring <robh+dt@...nel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Michal Marek <mmarek@...e.cz>
CC:	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-kbuild@...r.kernel.org,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: [patch 4/7] dt: dtb version: kernel Makefile

From: Frank Rowand <frank.rowand@...ymobile.com>

Capture the initial value of .version_dtb so that when multiple .dtb files are
created in a single make the make scripts will be able to increment
.version_dtb only once instead of for each .dtb.

Signed-off-by: Frank Rowand <frank.rowand@...ymobile.com>
---
 Makefile                                     |    4 +

Index: b/Makefile
===================================================================
--- a/Makefile
+++ b/Makefile
@@ -416,6 +416,9 @@ KBUILD_LDFLAGS_MODULE := -T $(srctree)/s
 KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
 KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
 
+VERSION_DTB_BASE := $(shell cat .version_dtb 2> /dev/null)
+
+export VERSION_DTB_BASE
 export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
 export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC
 export CPP AR NM STRIP OBJCOPY OBJDUMP
@@ -1181,6 +1184,7 @@ CLEAN_DIRS  += $(MODVERDIR)
 MRPROPER_DIRS  += include/config usr/include include/generated          \
 		  arch/*/include/generated .tmp_objdiff
 MRPROPER_FILES += .config .config.old .version .old_version \
+		  .version_dtb .version_dtb_flock \
 		  Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
 		  signing_key.priv signing_key.x509 x509.genkey		\
 		  extra_certificates signing_key.x509.keyid		\
--
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