powerpc/crypto: rework Kconfig
This patch creates a new submenu for the NX cryptographic
hardware accelerator and breaks the NX options into their own
Kconfig file under drivers/crypto/nx/Kconfig.
This will permit additional NX functionality to be easily
and more cleanly added in the future without touching
drivers/crypto/Makefile|Kconfig.
Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/nx/Kconfig b/drivers/crypto/nx/Kconfig
new file mode 100644
index 0000000..dedde53
--- /dev/null
+++ b/drivers/crypto/nx/Kconfig
@@ -0,0 +1,17 @@
+config CRYPTO_DEV_NX_ENCRYPT
+ tristate "Encryption acceleration support"
+ depends on PPC64 && IBMVIO
+ default y
+ select CRYPTO_AES
+ select CRYPTO_CBC
+ select CRYPTO_ECB
+ select CRYPTO_CCM
+ select CRYPTO_GCM
+ select CRYPTO_AUTHENC
+ select CRYPTO_XCBC
+ select CRYPTO_SHA256
+ select CRYPTO_SHA512
+ help
+ Support for Power7+ in-Nest encryption acceleration. This
+ module supports acceleration for AES and SHA2 algorithms. If you
+ choose 'M' here, this module will be called nx_crypto.
diff --git a/drivers/crypto/nx/Makefile b/drivers/crypto/nx/Makefile
index 411ce59..7f110e4 100644
--- a/drivers/crypto/nx/Makefile
+++ b/drivers/crypto/nx/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_CRYPTO_DEV_NX) += nx-crypto.o
+obj-$(CONFIG_CRYPTO_DEV_NX_ENCRYPT) += nx-crypto.o
nx-crypto-objs := nx.o \
nx_debugfs.o \
nx-aes-cbc.o \