From: Wei Yongjun <weiyongjun1@xxxxxxxxxx> GCC reports build error as following: x86_64-linux-gnu-ld: drivers/crypto/hisilicon/hpre/hpre_crypto.o: in function `hpre_ecdh_set_secret': hpre_crypto.c:(.text+0x269c): undefined reference to `crypto_ecdh_decode_key' Fix it by selecting CRYPTO_ECDH. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/crypto/hisilicon/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/crypto/hisilicon/Kconfig b/drivers/crypto/hisilicon/Kconfig index c45adb15ce8d..bb327d6e365a 100644 --- a/drivers/crypto/hisilicon/Kconfig +++ b/drivers/crypto/hisilicon/Kconfig @@ -69,6 +69,7 @@ config CRYPTO_DEV_HISI_HPRE select CRYPTO_DEV_HISI_QM select CRYPTO_DH select CRYPTO_RSA + select CRYPTO_ECDH help Support for HiSilicon HPRE(High Performance RSA Engine) accelerator, which can accelerate RSA and DH algorithms.