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Date: Thu, 19 Jul 2012 09:42:38 -0500 From: Seth Jennings <sjenning@...ux.vnet.ibm.com> To: Benjamin Herrenschmidt <benh@...nel.crashing.org> Cc: Seth Jennings <sjenning@...ux.vnet.ibm.com>, Paul Mackerras <paulus@...ba.org>, Herbert Xu <herbert@...dor.apana.org.au>, "David S. Miller" <davem@...emloft.net>, Robert Jennings <rcj@...ux.vnet.ibm.com>, Jeff Kirsher <jeffrey.t.kirsher@...el.com>, Andrew Morton <akpm@...ux-foundation.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Kent Yoder <key@...ux.vnet.ibm.com>, linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, linux-crypto@...r.kernel.org Subject: [PATCH 1/4] 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@...ux.vnet.ibm.com> --- drivers/crypto/Kconfig | 20 +++++++------------- drivers/crypto/nx/Kconfig | 17 +++++++++++++++++ drivers/crypto/nx/Makefile | 2 +- 3 files changed, 25 insertions(+), 14 deletions(-) create mode 100644 drivers/crypto/nx/Kconfig diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 7d74d09..662588a 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 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 \ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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