[PATCH -next] crypto: hisilicon/hpre - fix build error without CONFIG_CRYPTO_ECDH

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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.




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