[PATCH] crypto: lib/arc4 - expose library interface

[Christian Marangi]

Permit to compile the arc4 crypto lib without any user. This is required
by the backports project [1] that require this lib for any wireless
driver.

[1] https://backports.wiki.kernel.org/index.php/Main_Page

Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
---
 lib/crypto/Kconfig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
index 2082af43d51f..2dfc785a7817 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -6,7 +6,11 @@ config CRYPTO_LIB_AES
 	tristate
 
 config CRYPTO_LIB_ARC4
-	tristate
+	tristate "ARC4 library interface"
+	help
+	  Enable the ARC4 library interface. This interface is mainly
+	  used by wireless drivers and is required by the backports
+	  project.
 
 config CRYPTO_ARCH_HAVE_LIB_BLAKE2S
 	bool
-- 
2.36.1