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Date:   Fri, 31 May 2019 20:17:49 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <ard.biesheuvel@...aro.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH v2 -next] crypto: atmel-i2c - Fix build error while CRC16 set to m

If CRYPTO_DEV_ATMEL_ECC is set m, which select CRC16 to m,
while CRYPTO_DEV_ATMEL_SHA204A is set to y, building fails.

drivers/crypto/atmel-i2c.o: In function 'atmel_i2c_checksum':
atmel-i2c.c:(.text+0x16): undefined reference to 'crc16'

Add CRC16 dependency to CRYPTO_DEV_ATMEL_SHA204A

Reported-by: Hulk Robot <hulkci@...wei.com>
Fixes: da001fb651b0 ("crypto: atmel-i2c - add support for SHA204A random number generator")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
v2:use 'select' instead of 'depends on'
---
 drivers/crypto/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index fe01a99..603413f 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -542,6 +542,7 @@ config CRYPTO_DEV_ATMEL_SHA204A
 	depends on I2C
 	select CRYPTO_DEV_ATMEL_I2C
 	select HW_RANDOM
+	select CRC16
 	help
 	  Microhip / Atmel SHA accelerator and RNG.
 	  Select this if you want to use the Microchip / Atmel SHA204A
-- 
2.7.4

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