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authorHerbert Xu <herbert@gondor.apana.org.au>2008-01-26 09:48:44 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2008-01-26 09:48:44 +1100
commit946fef4e14ebc2f14ab05f54789843621fe87f60 (patch)
treef883bbadbac017ac46e00d8da528b50b78c1318d /drivers/crypto/Kconfig
parent2d94dfc8c38edf63e91e48fd55c3a8822b6a9ced (diff)
downloadlinux-linaro-stable-946fef4e14ebc2f14ab05f54789843621fe87f60.tar.gz
[CRYPTO] hifn795x: Disallow built-in hifn795x when HW_RANDOM is m
Currently it is possible to select HW_RANDOM as a module and have hifn795x built-in. This causes a build problem because hifn795x will then call hwrng_register which isn't built-in. This patch introduces a new config option to control the hifn795x RNG which lets us avoid this problem. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/Kconfig')
-rw-r--r--drivers/crypto/Kconfig8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 74bd599dfb0c..8a70a9edabda 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -88,10 +88,16 @@ config CRYPTO_DEV_HIFN_795X
select CRYPTO_DES
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
+ select HW_RANDOM if CRYPTO_DEV_HIFN_795X_RNG
depends on PCI
help
This option allows you to have support for HIFN 795x crypto adapters.
-
+config CRYPTO_DEV_HIFN_795X_RNG
+ bool "HIFN 795x random number generator"
+ depends on CRYPTO_DEV_HIFN_795X
+ help
+ Select this option if you want to enable the random number generator
+ on the HIFN 795x crypto adapters.
endif # CRYPTO_HW