From 1ef52a95ea53c3c54b061e3f1af85976356c7132 Mon Sep 17 00:00:00 2001 From: Christian Lamparter 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 Signed-off-by: Herbert Xu --- 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 @@ -1121,7 +1121,9 @@ 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,