Enable checkpatch with make lint target (#11)

* Add support for running checkpatch

* Add xclbin.h as UAPI

Author: sonals

.gitignore

@@ -10,3 +10,4 @@ tags
 *.mod.c
 modules.order
 Module.symvers
+TAGS

scripts/lint.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2019 Xilinx, Inc. All rights reserved.
+#
+# Authors: [email protected]
+
+set -e
+
+ROOT=`git rev-parse --show-toplevel`
+ROOTSRC="$ROOT/src"
+out=TAGS
+
+echo "Running checkpatch on source files in $ROOTSRC ..."
+ALL_FILES=$(git ls-files --exclude-standard --full-name $ROOTSRC)
+for item in $ALL_FILES;
+do
+    # Skip all the libfdt files which are part of Linux kernel
+    regex="^.+libfdt.*$"
+    if [[ $item =~ $regex ]]; then
+	continue
+    fi
+    # Skip all the "ref" files which are for reference only
+    regex="^src\/ref\/.*$"
+    if [[ $item =~ $regex ]]; then
+	continue
+    fi
+    regex="^.+xclbin\.h$"
+    if [[ $item =~ $regex ]]; then
+	continue
+    fi
+    regex="^.+[c|h]$"
+    if [[ $item =~ $regex ]]; then
+	$ROOT/scripts/checkpatch.pl --no-tree --emacs --color=never -f $ROOT/$item || true
+    fi
+done

src/Makefile

@@ -15,3 +15,6 @@ tags:
 clean:
 	$(MAKE) -C lib clean
 	$(MAKE) -C mgmt clean
+
+lint:
+	../scripts/lint.sh