1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/crc7.h b/include/linux/crc7.h
new file mode 100644
index 000000000..b462842f3
--- /dev/null
+++ b/include/linux/crc7.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_CRC7_H
+#define _LINUX_CRC7_H
+#include <linux/types.h>
+
+extern const u8 crc7_be_syndrome_table[256];
+
+static inline u8 crc7_be_byte(u8 crc, u8 data)
+{
+	return crc7_be_syndrome_table[crc ^ data];
+}
+
+extern u8 crc7_be(u8 crc, const u8 *buffer, size_t len);
+
+#endif