scripts: Add coccinelle file to use BIT macro

2021-02-23 20:05:17 -07:00
parent 7888f214bb
commit 9a3ecba010
3 changed files with 34 additions and 0 deletions
--- a/scripts/coccinelle/bit-macro.cocci
+++ b/scripts/coccinelle/bit-macro.cocci
@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-3.0-only
+// Replace shifts with BIT macro
+
+@@ expression val; @@
+-(1 << val)
+BIT(val)
+
+@@ expression val; @@
+-(1U << val)
+BIT(val)
+
+@@ expression val; @@
+-1 << val
+BIT(val)