linux-kernel - [PATCH] crypto: ccp - select CONFIG_CRYPTO

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Message-Id: <20170731211104.2012741-1-arnd@arndb.de>
Date:   Mon, 31 Jul 2017 23:10:57 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Brijesh Singh <brijesh.singh@....com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] crypto: ccp - select CONFIG_CRYPTO_RSA

Without the base RSA code, we run into a link error:

ERROR: "rsa_parse_pub_key" [drivers/crypto/ccp/ccp-crypto.ko] undefined!
ERROR: "rsa_parse_priv_key" [drivers/crypto/ccp/ccp-crypto.ko] undefined!

Like the other drivers implementing RSA in hardware, this
can be avoided by always enabling the base support when we build
CCP.

Fixes: ceeec0afd684 ("crypto: ccp - Add support for RSA on the CCP")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/crypto/ccp/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig
index 15b63fd3d180..6d626606b9c5 100644
--- a/drivers/crypto/ccp/Kconfig
+++ b/drivers/crypto/ccp/Kconfig
@@ -27,6 +27,7 @@ config CRYPTO_DEV_CCP_CRYPTO
 	select CRYPTO_HASH
 	select CRYPTO_BLKCIPHER
 	select CRYPTO_AUTHENC
+	select CRYPTO_RSA
 	help
 	  Support for using the cryptographic API with the AMD Cryptographic
 	  Coprocessor. This module supports offload of SHA and AES algorithms.
-- 
2.9.0