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From:   'Wei Yongjun <weiyongjun1@huawei.com>
To:     <weiyongjun1@huawei.com>, Herbert Xu <herbert@gondor.apana.org.au>,
        "Zaibo Xu" <xuzaibo@huawei.com>, Weili Qian <qianweili@huawei.com>,
        Meng Yu <yumeng18@huawei.com>,
        YueHaibing <yuehaibing@huawei.com>,
        Shukun Tan <tanshukun1@huawei.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>
CC:     <linux-crypto@vger.kernel.org>, <kernel-janitors@vger.kernel.org>,
        "Hulk Robot" <hulkci@huawei.com>
Subject: [PATCH -next] crypto: hisilicon/hpre - fix build error without CONFIG_CRYPTO_ECDH
Date:   Wed, 24 Mar 2021 14:42:39 +0000
Message-ID: <20210324144239.997757-1-weiyongjun1@huawei.com>
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From: Wei Yongjun <weiyongjun1@huawei.com>

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@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 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.