[PATCH] dma_map_benchmark: remove unused NSEC_PER_MSEC macro

[Ba Jing]

The macro NSEC_PER_MSEC is never referenced in the code, just remove it.

Signed-off-by: Ba Jing <baj...@cmss.chinamobile.com>
---
 tools/testing/selftests/dma/dma_map_benchmark.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/tools/testing/selftests/dma/dma_map_benchmark.c 
b/tools/testing/selftests/dma/dma_map_benchmark.c
index b12f1f9babf8..50283a83ae1b 100644
--- a/tools/testing/selftests/dma/dma_map_benchmark.c
+++ b/tools/testing/selftests/dma/dma_map_benchmark.c
@@ -13,8 +13,6 @@
 #include <linux/types.h>
 #include <linux/map_benchmark.h>
 
-#define NSEC_PER_MSEC  1000000L
-
 static char *directions[] = {
        "BIDIRECTIONAL",
        "TO_DEVICE",
-- 
2.33.0