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[PATCH -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, and also make
CRYPTO_DEV_ATMEL_ECC depends on CRC16.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: da001fb651b0 ("crypto: atmel-i2c - add support for SHA204A random number generator")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/crypto/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index fe01a99..7aebff8 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -528,7 +528,7 @@ config CRYPTO_DEV_ATMEL_ECC
 	depends on I2C
 	select CRYPTO_DEV_ATMEL_I2C
 	select CRYPTO_ECDH
-	select CRC16
+	depends on CRC16
 	help
 	  Microhip / Atmel ECC hw accelerator.
 	  Select this if you want to use the Microchip / Atmel module for
@@ -540,6 +540,7 @@ config CRYPTO_DEV_ATMEL_ECC
 config CRYPTO_DEV_ATMEL_SHA204A
 	tristate "Support for Microchip / Atmel SHA accelerator and RNG"
 	depends on I2C
+	depends on CRC16
 	select CRYPTO_DEV_ATMEL_I2C
 	select HW_RANDOM
 	help
-- 
2.7.4