[PATCH 09/15] crypto: s390 - drop redundant dependencies on S390

Eric Biggers
2025-04-17T18:39:54Z

arch/s390/crypto/Kconfig is sourced only when CONFIG_S390=y, so there is
no need for the symbols defined inside it to depend on S390.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
arch/s390/crypto/Kconfig | 10 ----------
1 file changed, 10 deletions(-)

diff --git a/arch/s390/crypto/Kconfig b/arch/s390/crypto/Kconfig
index 055b08f259ab..e88d9cd256ef 100644
--- a/arch/s390/crypto/Kconfig
+++ b/arch/s390/crypto/Kconfig
@@ -2,77 +2,70 @@

menu "Accelerated Cryptographic Algorithms for CPU (s390)"

config CRYPTO_SHA512_S390
tristate "Hash functions: SHA-384 and SHA-512"
- depends on S390
select CRYPTO_HASH
help
SHA-384 and SHA-512 secure hash algorithms (FIPS 180)

Architecture: s390

It is available as of z10.

config CRYPTO_SHA1_S390
tristate "Hash functions: SHA-1"
- depends on S390
select CRYPTO_HASH
help
SHA-1 secure hash algorithm (FIPS 180)

Architecture: s390

It is available as of z990.

config CRYPTO_SHA256_S390
tristate "Hash functions: SHA-224 and SHA-256"
- depends on S390
select CRYPTO_HASH
help
SHA-224 and SHA-256 secure hash algorithms (FIPS 180)

Architecture: s390

It is available as of z9.

config CRYPTO_SHA3_256_S390
tristate "Hash functions: SHA3-224 and SHA3-256"
- depends on S390
select CRYPTO_HASH
help
SHA3-224 and SHA3-256 secure hash algorithms (FIPS 202)

Architecture: s390

It is available as of z14.

config CRYPTO_SHA3_512_S390
tristate "Hash functions: SHA3-384 and SHA3-512"
- depends on S390
select CRYPTO_HASH
help
SHA3-384 and SHA3-512 secure hash algorithms (FIPS 202)

Architecture: s390

It is available as of z14.

config CRYPTO_GHASH_S390
tristate "Hash functions: GHASH"
- depends on S390
select CRYPTO_HASH
help
GCM GHASH hash function (NIST SP800-38D)

Architecture: s390

It is available as of z196.

config CRYPTO_AES_S390
tristate "Ciphers: AES, modes: ECB, CBC, CTR, XTS, GCM"
- depends on S390
select CRYPTO_ALGAPI
select CRYPTO_SKCIPHER
help
Block cipher: AES cipher algorithms (FIPS 197)
AEAD cipher: AES with GCM
@@ -90,11 +83,10 @@ config CRYPTO_AES_S390
key sizes and XTS mode is hardware accelerated for 256 and
512 bit keys.

config CRYPTO_DES_S390
tristate "Ciphers: DES and Triple DES EDE, modes: ECB, CBC, CTR"
- depends on S390
select CRYPTO_ALGAPI
select CRYPTO_SKCIPHER
select CRYPTO_LIB_DES
help
Block ciphers: DES (FIPS 46-2) cipher algorithm
@@ -107,18 +99,16 @@ config CRYPTO_DES_S390
As of z990 the ECB and CBC mode are hardware accelerated.
As of z196 the CTR mode is hardware accelerated.

config CRYPTO_CHACHA_S390
tristate
- depends on S390
select CRYPTO_LIB_CHACHA_GENERIC
select CRYPTO_ARCH_HAVE_LIB_CHACHA
default CRYPTO_LIB_CHACHA_INTERNAL

config CRYPTO_HMAC_S390
tristate "Keyed-hash message authentication code: HMAC"
- depends on S390
select CRYPTO_HASH
help
s390 specific HMAC hardware support for SHA224, SHA256, SHA384 and
SHA512.