powerpc: Add a checkpatch wrapper with our preferred settings

This makes it easy to run checkpatch with settings that I like.

Usage is eg:

  $ ./arch/powerpc/tools/checkpatch.sh -g origin/master..

To check all commits since origin/master.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Russell Currey <ruscur@russell.cc>

diff --git a/arch/powerpc/tools/checkpatch.sh b/arch/powerpc/tools/checkpatch.sh
new file mode 100755 (executable)
index 0000000..1fad3fb
--- /dev/null
+++ b/arch/powerpc/tools/checkpatch.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright 2018, Michael Ellerman, IBM Corporation.
+#
+# Wrapper around checkpatch that uses our preferred settings
+
+script_base=$(realpath $(dirname $0))
+
+exec $script_base/../../../scripts/checkpatch.pl \
+       --subjective \
+       --no-summary \
+       --max-line-length=90 \
+       --show-types \
+       --ignore ARCH_INCLUDE_LINUX \
+       --ignore BIT_MACRO \
+       --ignore COMPARISON_TO_NULL \
+       --ignore EMAIL_SUBJECT \
+       --ignore FILE_PATH_CHANGES \
+       --ignore GLOBAL_INITIALISERS \
+       --ignore LINE_SPACING \
+       --ignore MULTIPLE_ASSIGNMENTS \
+       $@