diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index 4a943789c20..f6de7826c97 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -57,10 +57,10 @@ static int sha1_export(struct shash_desc *desc, void *out)
 	return 0;
 }
 
-static int sha1_import(struct shash_desc *desc, const u8 *in)
+static int sha1_import(struct shash_desc *desc, const void *in)
 {
 	struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
-	struct sha1_state *ictx = in;
+	const struct sha1_state *ictx = in;
 
 	sctx->count = ictx->count;
 	memcpy(sctx->state, ictx->state, sizeof(ictx->state));
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
index 2bab5197789..61a7db37212 100644
--- a/arch/s390/crypto/sha256_s390.c
+++ b/arch/s390/crypto/sha256_s390.c
@@ -53,10 +53,10 @@ static int sha256_export(struct shash_desc *desc, void *out)
 	return 0;
 }
 
-static int sha256_import(struct shash_desc *desc, const u8 *in)
+static int sha256_import(struct shash_desc *desc, const void *in)
 {
 	struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
-	struct sha256_state *ictx = in;
+	const struct sha256_state *ictx = in;
 
 	sctx->count = ictx->count;
 	memcpy(sctx->state, ictx->state, sizeof(ictx->state));
diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c
index b4b3438ae77..4bf73d0dc52 100644
--- a/arch/s390/crypto/sha512_s390.c
+++ b/arch/s390/crypto/sha512_s390.c
@@ -52,10 +52,10 @@ static int sha512_export(struct shash_desc *desc, void *out)
 	return 0;
 }
 
-static int sha512_import(struct shash_desc *desc, const u8 *in)
+static int sha512_import(struct shash_desc *desc, const void *in)
 {
 	struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
-	struct sha512_state *ictx = in;
+	const struct sha512_state *ictx = in;
 
 	if (unlikely(ictx->count[1]))
 		return -ERANGE;