diff --git a/arch/arm/crypto/sha512-neon-glue.c b/arch/arm/crypto/sha512-neon-glue.c
index c879ad32db51f27e27bc57d4550b269445b205fe..c6e58fe475acf94f32b96698f0e7ca0567304491 100644
--- a/arch/arm/crypto/sha512-neon-glue.c
+++ b/arch/arm/crypto/sha512-neon-glue.c
@@ -20,8 +20,8 @@
 MODULE_ALIAS_CRYPTO("sha384-neon");
 MODULE_ALIAS_CRYPTO("sha512-neon");
 
-asmlinkage void sha512_block_data_order_neon(u64 *state, u8 const *src,
-					     int blocks);
+asmlinkage void sha512_block_data_order_neon(struct sha512_state *state,
+					     const u8 *src, int blocks);
 
 static int sha512_neon_update(struct shash_desc *desc, const u8 *data,
 			      unsigned int len)
@@ -33,8 +33,7 @@ static int sha512_neon_update(struct shash_desc *desc, const u8 *data,
 		return sha512_arm_update(desc, data, len);
 
 	kernel_neon_begin();
-	sha512_base_do_update(desc, data, len,
-		(sha512_block_fn *)sha512_block_data_order_neon);
+	sha512_base_do_update(desc, data, len, sha512_block_data_order_neon);
 	kernel_neon_end();
 
 	return 0;
@@ -49,9 +48,8 @@ static int sha512_neon_finup(struct shash_desc *desc, const u8 *data,
 	kernel_neon_begin();
 	if (len)
 		sha512_base_do_update(desc, data, len,
-			(sha512_block_fn *)sha512_block_data_order_neon);
-	sha512_base_do_finalize(desc,
-		(sha512_block_fn *)sha512_block_data_order_neon);
+				      sha512_block_data_order_neon);
+	sha512_base_do_finalize(desc, sha512_block_data_order_neon);
 	kernel_neon_end();
 
 	return sha512_base_finish(desc, out);