1 files changed, 11 insertions, 1 deletions

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 9cf8f3ce0e50..19ea3a371d7b 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -49,7 +49,6 @@
 #define CRYPTO_ALG_TYPE_SCOMPRESS       0x0000000b
 #define CRYPTO_ALG_TYPE_RNG             0x0000000c
 #define CRYPTO_ALG_TYPE_AKCIPHER        0x0000000d
-#define CRYPTO_ALG_TYPE_DIGEST          0x0000000e
 #define CRYPTO_ALG_TYPE_HASH            0x0000000e
 #define CRYPTO_ALG_TYPE_SHASH           0x0000000e
 #define CRYPTO_ALG_TYPE_AHASH           0x0000000f
@@ -323,6 +322,17 @@ struct cipher_alg {
         void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
 };
 
+/**
+ * struct compress_alg - compression/decompression algorithm
+ * @coa_compress: Compress a buffer of specified length, storing the resulting
+ *                data in the specified buffer. Return the length of the
+ *                compressed data in dlen.
+ * @coa_decompress: Decompress the source buffer, storing the uncompressed
+ *                  data in the specified buffer. The length of the data is
+ *                  returned in dlen.
+ *
+ * All fields are mandatory.
+ */
 struct compress_alg {
         int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src,
                             unsigned int slen, u8 *dst, unsigned int *dlen);