From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 3 Dec 2020 23:20:04 +0000 (+0100)
Subject: crypto: atmel-i2c - select CONFIG_BITREVERSE
X-Git-Tag: v5.10.7~534
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7682cd97aa38edc811836be42d11b25f76ca328e;p=platform%2Fkernel%2Flinux-rpi.git

crypto: atmel-i2c - select CONFIG_BITREVERSE

[ Upstream commit d33a23b0532d5d1b5b700e8641661261e7dbef61 ]

The bitreverse helper is almost always built into the kernel,
but in a rare randconfig build it is possible to hit a case
in which it is a loadable module while the atmel-i2c driver
is built-in:

arm-linux-gnueabi-ld: drivers/crypto/atmel-i2c.o: in function `atmel_i2c_checksum':
atmel-i2c.c:(.text+0xa0): undefined reference to `byte_rev_table'

Add one more 'select' statement to prevent this.

Fixes: 11105693fa05 ("crypto: atmel-ecc - introduce Microchip / Atmel ECC driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 37da0c070a88..9d6645b1f0ab 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -548,6 +548,7 @@ config CRYPTO_DEV_ATMEL_SHA
 
 config CRYPTO_DEV_ATMEL_I2C
 	tristate
+	select BITREVERSE
 
 config CRYPTO_DEV_ATMEL_ECC
 	tristate "Support for Microchip / Atmel ECC hw accelerator"