1 files changed, 3 insertions, 0 deletions
diff --git a/lfs_util.c b/lfs_util.c
index 9cdd1c6..dac72ab 100644
--- a/lfs_util.c
+++ b/lfs_util.c
@@ -11,6 +11,8 @@
 #ifndef LFS_CONFIG
 
 
+// If user provides their own CRC impl we don't need this
+#ifndef LFS_CRC
 // Software CRC implementation with small lookup table
 uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) {
     static const uint32_t rtable[16] = {
@@ -29,6 +31,7 @@ uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) {
 
     return crc;
 }
+#endif
 
 
 #endif