From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: [PATCH 1/2] crypto: atmel - refine Kconfig dependencies Date: Mon, 6 Feb 2017 13:32:15 +0100 Message-ID: <20170206123240.1698839-1-arnd@arndb.de> Cc: Cyrille Pitchen , Arnd Bergmann , "David S. Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org To: Herbert Xu Return-path: Received: from mout.kundenserver.de ([217.72.192.75]:63115 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751468AbdBFMdG (ORCPT ); Mon, 6 Feb 2017 07:33:06 -0500 Sender: linux-crypto-owner@vger.kernel.org List-ID: With the new authenc support, we get a harmless Kconfig warning: warning: (CRYPTO_DEV_ATMEL_AUTHENC) selects CRYPTO_DEV_ATMEL_SHA which has unmet direct dependencies (CRYPTO && CRYPTO_HW && ARCH_AT91) The problem is that each of the options has slightly different dependencies, although they all seem to want the same thing: allow building for real AT91 targets that actually have the hardware, and possibly for compile testing. This makes all four options consistent: instead of depending on a particular dmaengine implementation, we depend on the ARM platform, CONFIG_COMPILE_TEST as an alternative when that is turned off. This makes the 'select' statements work correctly. Fixes: 89a82ef87e01 ("crypto: atmel-authenc - add support to authenc(hmac(shaX), Y(aes)) modes") Signed-off-by: Arnd Bergmann --- drivers/crypto/Kconfig | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 74824612d3e9..f60de152a90d 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -417,7 +417,8 @@ config CRYPTO_DEV_BFIN_CRC config CRYPTO_DEV_ATMEL_AUTHENC tristate "Support for Atmel IPSEC/SSL hw accelerator" - depends on (ARCH_AT91 && HAS_DMA) || COMPILE_TEST + depends on HAS_DMA + depends on ARCH_AT91 || COMPILE_TEST select CRYPTO_AUTHENC select CRYPTO_DEV_ATMEL_AES select CRYPTO_DEV_ATMEL_SHA @@ -430,7 +431,7 @@ config CRYPTO_DEV_ATMEL_AUTHENC config CRYPTO_DEV_ATMEL_AES tristate "Support for Atmel AES hw accelerator" depends on HAS_DMA - depends on AT_XDMAC || AT_HDMAC || COMPILE_TEST + depends on ARCH_AT91 || COMPILE_TEST select CRYPTO_AES select CRYPTO_AEAD select CRYPTO_BLKCIPHER @@ -444,7 +445,7 @@ config CRYPTO_DEV_ATMEL_AES config CRYPTO_DEV_ATMEL_TDES tristate "Support for Atmel DES/TDES hw accelerator" - depends on ARCH_AT91 + depends on ARCH_AT91 || COMPILE_TEST select CRYPTO_DES select CRYPTO_BLKCIPHER help @@ -457,7 +458,7 @@ config CRYPTO_DEV_ATMEL_TDES config CRYPTO_DEV_ATMEL_SHA tristate "Support for Atmel SHA hw accelerator" - depends on ARCH_AT91 + depends on ARCH_AT91 || COMPILE_TEST select CRYPTO_HASH help Some Atmel processors have SHA1/SHA224/SHA256/SHA384/SHA512 -- 2.9.0