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Diffstat (limited to 'backport-include/linux/crc7.h')
-rw-r--r--backport-include/linux/crc7.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/backport-include/linux/crc7.h b/backport-include/linux/crc7.h
new file mode 100644
index 0000000..50706ea
--- /dev/null
+++ b/backport-include/linux/crc7.h
@@ -0,0 +1,14 @@
+#ifndef _BACKPORT_LINUX_CRC7_H
+#define _BACKPORT_LINUX_CRC7_H
+#include_next <linux/crc7.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_IS_LESS(3,16,0)
+#define crc7_be LINUX_BACKPORT(crc7_be)
+static inline u8 crc7_be(u8 crc, const u8 *buffer, size_t len)
+{
+ return crc7(crc, buffer, len) << 1;
+}
+#endif /* < 3.16 */
+
+#endif /* _BACKPORT_LINUX_CRC7_H */