From: Krzysztof Kozlowski <krzk@xxxxxxxxxx> [ Upstream commit 4aa62c62d4c41d71b2bda5ed01b78961829ee93c ] The driver uses crypto hash functions so it needs to select CRYPTO_HASH. This fixes build errors: arc-linux-ld: drivers/nfc/s3fwrn5/firmware.o: in function `s3fwrn5_fw_download': firmware.c:(.text+0x152): undefined reference to `crypto_alloc_shash' Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/nfc/s3fwrn5/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nfc/s3fwrn5/Kconfig b/drivers/nfc/s3fwrn5/Kconfig index af9d18690afeb..3f8b6da582803 100644 --- a/drivers/nfc/s3fwrn5/Kconfig +++ b/drivers/nfc/s3fwrn5/Kconfig @@ -2,6 +2,7 @@ config NFC_S3FWRN5 tristate select CRYPTO + select CRYPTO_HASH help Core driver for Samsung S3FWRN5 NFC chip. Contains core utilities of chip. It's intended to be used by PHYs to avoid duplicating lots -- 2.25.1