OpenWrt – Rev 4

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From 1ef52a95ea53c3c54b061e3f1af85976356c7132 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Fri, 25 Aug 2017 15:47:16 +0200
Subject: [PATCH 03/25] crypto: crypto4xx - set CRYPTO_ALG_KERN_DRIVER_ONLY
 flag

The security offload function is performed by a cryptographic
engine core attached to the 128-bit PLB (processor local bus)
with builtin DMA and interrupt controllers. This, I think,
satisfies the requirement for the CRYPTO_ALG_KERN_DRIVER_ONLY
flag.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/amcc/crypto4xx_core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -1116,7 +1116,9 @@ struct crypto4xx_alg_common crypto4xx_al
                .cra_name       = "cbc(aes)",
                .cra_driver_name = "cbc-aes-ppc4xx",
                .cra_priority   = CRYPTO4XX_CRYPTO_PRIORITY,
-               .cra_flags      = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+               .cra_flags      = CRYPTO_ALG_TYPE_ABLKCIPHER |
+                                 CRYPTO_ALG_ASYNC |
+                                 CRYPTO_ALG_KERN_DRIVER_ONLY,
                .cra_blocksize  = AES_BLOCK_SIZE,
                .cra_ctxsize    = sizeof(struct crypto4xx_ctx),
                .cra_type       = &crypto_ablkcipher_type,