If CRYPTO_AUTHENC is m, CRYPTO_DEV_ATMEL_SHA is m, but CRYPTO_DEV_ATMEL_AES is y, building will fails: drivers/crypto/atmel-aes.o: In function `atmel_aes_authenc_init_tfm': atmel-aes.c:(.text+0x670): undefined reference to `atmel_sha_authenc_get_reqsize' atmel-aes.c:(.text+0x67a): undefined reference to `atmel_sha_authenc_spawn' drivers/crypto/atmel-aes.o: In function `atmel_aes_authenc_setkey': atmel-aes.c:(.text+0x7e5): undefined reference to `atmel_sha_authenc_setkey' Fix this by moving the selection of CRYPTO_DEV_ATMEL_SHA under CRYPTO_DEV_ATMEL_AES. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Fixes: 89a82ef87e01 ("crypto: atmel-authenc - add support to...") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/crypto/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index c5cc04d..148605a 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -495,7 +495,6 @@ config CRYPTO_DEV_ATMEL_AUTHENC tristate "Support for Atmel IPSEC/SSL hw accelerator" depends on ARCH_AT91 || COMPILE_TEST select CRYPTO_DEV_ATMEL_AES - select CRYPTO_DEV_ATMEL_SHA help Some Atmel processors can combine the AES and SHA hw accelerators to enhance support of IPSEC/SSL. @@ -509,6 +508,7 @@ config CRYPTO_DEV_ATMEL_AES select CRYPTO_AEAD select CRYPTO_AUTHENC select CRYPTO_SKCIPHER + select CRYPTO_DEV_ATMEL_SHA help Some Atmel processors have AES hw accelerator. Select this if you want to use the Atmel module for -- 2.7.4