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

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Date:   Thu, 14 Jul 2022 07:12:21 +0200
From:   Christian Marangi <ansuelsmth@...il.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Christian Marangi <ansuelsmth@...il.com>
Subject: [PATCH] crypto: lib/arc4 - expose library interface

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@...il.com>
---
 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