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crypto: atmel - refine Kconfig dependencies

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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: 89a82ef87e ("crypto: atmel-authenc - add support to authenc(hmac(shaX), Y(aes)) modes")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Arnd Bergmann 2017-02-06 13:32:15 +01:00 committed by Herbert Xu
parent db91af0fbe
commit ceb4afb308
1 changed files with 5 additions and 4 deletions
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9
drivers/crypto/Kconfig
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@ -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