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-rw-r--r--drivers/crypto/Kconfig20
-rw-r--r--drivers/crypto/nx/Kconfig17
-rw-r--r--drivers/crypto/nx/Makefile2
3 files changed, 25 insertions, 14 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 7d74d092aa8f..662588a1c41b 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -298,21 +298,15 @@ config CRYPTO_DEV_TEGRA_AES
will be called tegra-aes.
config CRYPTO_DEV_NX
- tristate "Support for Power7+ in-Nest cryptographic acceleration"
+ bool "Support for IBM Power7+ in-Nest cryptographic acceleration"
depends on PPC64 && IBMVIO
- 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
+ default n
help
- Support for Power7+ in-Nest cryptographic acceleration. This
- module supports acceleration for AES and SHA2 algorithms. If you
- choose 'M' here, this module will be called nx_crypto.
+ Support for Power7+ in-Nest cryptographic acceleration.
+
+if CRYPTO_DEV_NX
+ source "drivers/crypto/nx/Kconfig"
+endif
config CRYPTO_DEV_UX500
tristate "Driver for ST-Ericsson UX500 crypto hardware acceleration"
diff --git a/drivers/crypto/nx/Kconfig b/drivers/crypto/nx/Kconfig
new file mode 100644
index 000000000000..dedde535024e
--- /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 411ce59c80d1..7f110e460da3 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 \