crypto: powerpc - CRYPT_CRC32C_VPMSUM should depend on ALTIVEC · c12abf3464 - Gogs: Go Git Service GfA electronic

crypto: powerpc - CRYPT_CRC32C_VPMSUM should depend on ALTIVEC

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: 6dd7a82cc54e ("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>

Michael Ellerman 9 years ago

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2fdea258fd

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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
			
				 	help