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crypto: powerpc - CRYPT_CRC32C_VPMSUM should depend on ALTIVEC

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The optimised crc32c implementation depends on VMX (aka. Altivec)
instructions, so the kernel must be built with Altivec support in order
for the crc32c code to build.

Fixes: 6dd7a82cc5 ("crypto: powerpc - Add POWER8 optimised crc32c")
Acked-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Michael Ellerman 2016-08-09 08:46:15 +10:00 committed by Herbert Xu
parent 2fdea258fd
commit c12abf3464
1 changed files with 1 additions and 1 deletions
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crypto/Kconfig
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@ -439,7 +439,7 @@ config CRYPTO_CRC32C_INTEL
config CRYPT_CRC32C_VPMSUM
tristate "CRC32c CRC algorithm (powerpc64)"
depends on PPC64
depends on PPC64 && ALTIVEC
select CRYPTO_HASH
select CRC32
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