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-rw-r--r--scripts/coccinelle/exec_rw_const.cocci23
1 files changed, 23 insertions, 0 deletions
diff --git a/scripts/coccinelle/exec_rw_const.cocci b/scripts/coccinelle/exec_rw_const.cocci
new file mode 100644
index 0000000000..7e42682240
--- /dev/null
+++ b/scripts/coccinelle/exec_rw_const.cocci
@@ -0,0 +1,23 @@
+/*
+ Usage:
+
+ spatch \
+ --macro-file scripts/cocci-macro-file.h \
+ --sp-file scripts/coccinelle/exec_rw_const.cocci \
+ --keep-comments \
+ --in-place \
+ --dir .
+*/
+
+// Remove useless cast
+@@
+expression E1, E2, E3, E4;
+type T;
+@@
+(
+- dma_memory_read(E1, E2, (T *)(E3), E4)
++ dma_memory_read(E1, E2, E3, E4)
+|
+- dma_memory_write(E1, E2, (T *)(E3), E4)
++ dma_memory_write(E1, E2, E3, E4)
+)