From 596585090a6d7f0a62b4e5864ad8cedf1af964d1 Mon Sep 17 00:00:00 2001
From: Joonsoo Kim <js1304@gmail.com>
Date: Tue, 11 Dec 2012 00:11:45 +0900
Subject: [PATCH] scripts/tags.sh: Support subarch for ARM

Current tags.sh doesn't handle subarch for ARM.
There are too many subarch on ARM, it is hard that we locate some
functions which are defined in every subarch with tags util family.
Therefore support subarch for removing this unconvenience.

We can use ARM subarch functionality like below.
"make cscope O=. SRCARCH=arm SUBARCH=xxx"

Signed-off-by: Joonsoo Kim <js1304@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
---
 scripts/tags.sh | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/scripts/tags.sh b/scripts/tags.sh
index 79fdafb0d26325..8fb18d1da71b6a 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -48,13 +48,14 @@ find_arch_sources()
 	for i in $archincludedir; do
 		prune="$prune -wholename $i -prune -o"
 	done
-	find ${tree}arch/$1 $ignore $prune -name "$2" -print;
+	find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" -print;
 }
 
 # find sources in arch/$1/include
 find_arch_include_sources()
 {
-	include=$(find ${tree}arch/$1/ -name include -type d);
+	include=$(find ${tree}arch/$1/ $subarchprune \
+					-name include -type d -print);
 	if [ -n "$include" ]; then
 		archincludedir="$archincludedir $include"
 		find $include $ignore -name "$2" -print;
@@ -234,6 +235,21 @@ if [ "${ARCH}" = "um" ]; then
 	else
 		archinclude=${SUBARCH}
 	fi
+elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then
+	subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \
+							-name "plat-*" -type d);
+	for i in $subarchdir; do
+		case "$i" in
+			*"mach-"${SUBARCH})
+				;;
+			*"plat-"${SUBARCH})
+				;;
+			*)
+				subarchprune="$subarchprune \
+						-wholename $i -prune -o"
+				;;
+		esac
+	done
 fi
 
 remove_structs=
-- 
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