lib/crc: remove unnecessary prompt for CONFIG_CRC4

All modules that need CONFIG_CRC4 already select it, so there is no need
to bother users about the option.

Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250304230712.167600-2-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>

diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index d6beec5292a00ab3ec295a874bc15b0c43eff1fb..c46781f8570c1b210fe6bbc16a6cd1834e61422e 100644 (file)
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -815,7 +815,6 @@ CONFIG_SYSTEM_BLACKLIST_KEYRING=y
 CONFIG_CORDIC=m
 CONFIG_CRYPTO_LIB_CURVE25519=m
 CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
-CONFIG_CRC4=m
 CONFIG_CRC7=m
 CONFIG_CRC8=m
 CONFIG_RANDOM32_SELFTEST=y

diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index 8cfbfb10bba8cbaf58bb1a99edf29fcafc3897ee..23d8bce642aa4dd17689473e56e4dfbfa9598cde 100644 (file)
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -803,7 +803,6 @@ CONFIG_CORDIC=m
 CONFIG_PRIME_NUMBERS=m
 CONFIG_CRYPTO_LIB_CURVE25519=m
 CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
-CONFIG_CRC4=m
 CONFIG_CRC7=m
 CONFIG_CRC8=m
 CONFIG_XZ_DEC_MICROLZMA=y

diff --git a/lib/Kconfig b/lib/Kconfig
index 67bbf4f64dd986054be42db6cf14498f2fd79e72..e867971c976694a7a3a31a1b1a5c567dfadbe60f 100644 (file)
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -209,12 +209,7 @@ config CRC64_ARCH
        default CRC64 if ARCH_HAS_CRC64 && CRC_OPTIMIZATIONS
 
 config CRC4
-       tristate "CRC4 functions"
-       help
-         This option is provided for the case where no in-kernel-tree
-         modules require CRC4 functions, but a module built outside
-         the kernel tree does. Such modules that use library CRC4
-         functions require M here.
+       tristate
 
 config CRC7
        tristate "CRC7 functions"