crypto: caam - move append_key_aead() into init_sh_desc_key_aead()
authorHoria Geantă <horia.geanta@nxp.com>
Tue, 22 Nov 2016 13:44:03 +0000 (15:44 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Mon, 28 Nov 2016 13:23:21 +0000 (21:23 +0800)
append_key_aead() is used in only one place, thus inline it.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/caam/caamalg.c

index 8db54b0..567e234 100644 (file)
@@ -228,12 +228,19 @@ struct caam_ctx {
        unsigned int authsize;
 };
 
-static void append_key_aead(u32 *desc, struct caam_ctx *ctx,
-                           int keys_fit_inline, bool is_rfc3686)
+static void init_sh_desc_key_aead(u32 *desc, struct caam_ctx *ctx,
+                                 int keys_fit_inline, bool is_rfc3686)
 {
-       u32 *nonce;
+       u32 *key_jump_cmd;
        unsigned int enckeylen = ctx->enckeylen;
 
+       /* Note: Context registers are saved. */
+       init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX);
+
+       /* Skip if already shared */
+       key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |
+                                  JUMP_COND_SHRD);
+
        /*
         * RFC3686 specific:
         *      | ctx->key = {AUTH_KEY, ENC_KEY, NONCE}
@@ -258,6 +265,8 @@ static void append_key_aead(u32 *desc, struct caam_ctx *ctx,
 
        /* Load Counter into CONTEXT1 reg */
        if (is_rfc3686) {
+               u32 *nonce;
+
                nonce = (u32 *)((void *)ctx->key + ctx->split_key_pad_len +
                               enckeylen);
                append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE,
@@ -269,21 +278,6 @@ static void append_key_aead(u32 *desc, struct caam_ctx *ctx,
                            (16 << MOVE_OFFSET_SHIFT) |
                            (CTR_RFC3686_NONCE_SIZE << MOVE_LEN_SHIFT));
        }
-}
-
-static void init_sh_desc_key_aead(u32 *desc, struct caam_ctx *ctx,
-                                 int keys_fit_inline, bool is_rfc3686)
-{
-       u32 *key_jump_cmd;
-
-       /* Note: Context registers are saved. */
-       init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX);
-
-       /* Skip if already shared */
-       key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |
-                                  JUMP_COND_SHRD);
-
-       append_key_aead(desc, ctx, keys_fit_inline, is_rfc3686);
 
        set_jump_tgt_here(desc, key_jump_cmd);
 }