lib/crc: remove unnecessary prompt for CONFIG_LIBCRC32C

All modules that need CONFIG_LIBCRC32C 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/20250304230712.167600-5-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>

arch/arm/configs/dove_defconfig

@@ -129,7 +129,6 @@ CONFIG_CRYPTO_LZO=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_DEV_MARVELL_CESA=y
 CONFIG_CRC_CCITT=y
-CONFIG_LIBCRC32C=y
 CONFIG_PRINTK_TIME=y
 # CONFIG_DEBUG_BUGVERBOSE is not set
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y

arch/arm/configs/ep93xx_defconfig

@@ -113,7 +113,6 @@ CONFIG_NFS_FS=y
 CONFIG_ROOT_NFS=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
-CONFIG_LIBCRC32C=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_SLAB=y
 CONFIG_DEBUG_SPINLOCK=y

arch/arm/configs/imx_v6_v7_defconfig

@@ -483,7 +483,6 @@ CONFIG_CRYPTO_DEV_SAHARA=y
 CONFIG_CRYPTO_DEV_MXS_DCP=y
 CONFIG_CRC_CCITT=m
 CONFIG_CRC_T10DIF=y
-CONFIG_LIBCRC32C=m
 CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y

arch/arm/configs/multi_v5_defconfig

@@ -290,7 +290,6 @@ CONFIG_CRYPTO_CBC=m
 CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_DEV_MARVELL_CESA=y
 CONFIG_CRC_CCITT=y
-CONFIG_LIBCRC32C=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 CONFIG_MAGIC_SYSRQ=y

arch/arm/configs/mvebu_v5_defconfig

@@ -188,7 +188,6 @@ CONFIG_CRYPTO_CBC=m
 CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_DEV_MARVELL_CESA=y
 CONFIG_CRC_CCITT=y
-CONFIG_LIBCRC32C=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 CONFIG_MAGIC_SYSRQ=y

arch/arm/configs/omap1_defconfig

@@ -221,7 +221,6 @@ CONFIG_CRYPTO_PCBC=y
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
-CONFIG_LIBCRC32C=y
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
 CONFIG_FONT_8x16=y

arch/arm/configs/omap2plus_defconfig

@@ -710,7 +710,6 @@ CONFIG_CRYPTO_DEV_OMAP_DES=m
 CONFIG_CRC_CCITT=y
 CONFIG_CRC_T10DIF=y
 CONFIG_CRC_ITU_T=y
-CONFIG_LIBCRC32C=y
 CONFIG_DMA_CMA=y
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y

arch/arm/configs/spitz_defconfig

@@ -235,7 +235,6 @@ CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_SHA512=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRC_CCITT=y
-CONFIG_LIBCRC32C=m
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
 CONFIG_FONT_8x16=y

arch/arm/configs/wpcm450_defconfig

@@ -193,7 +193,6 @@ CONFIG_PKCS7_MESSAGE_PARSER=y
 CONFIG_SYSTEM_TRUSTED_KEYRING=y
 CONFIG_CRC_CCITT=y
 CONFIG_CRC_ITU_T=m
-CONFIG_LIBCRC32C=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y

arch/hexagon/configs/comet_defconfig

@@ -75,7 +75,6 @@ CONFIG_CRYPTO_MD5=y
 CONFIG_CRC_CCITT=y
 CONFIG_CRC16=y
 CONFIG_CRC_T10DIF=y
-CONFIG_LIBCRC32C=y
 CONFIG_FRAME_WARN=0
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_FS=y

arch/mips/configs/cobalt_defconfig

@@ -70,4 +70,3 @@ CONFIG_NFS_FS=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFSD=y
 CONFIG_NFSD_V3_ACL=y
-CONFIG_LIBCRC32C=y

arch/mips/configs/ip32_defconfig

@@ -178,7 +178,6 @@ CONFIG_CRYPTO_TEA=y
 CONFIG_CRYPTO_TWOFISH=y
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRC_T10DIF=y
-CONFIG_LIBCRC32C=y
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
 CONFIG_FONT_8x16=y

arch/parisc/configs/generic-64bit_defconfig

@@ -294,7 +294,6 @@ CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_DEFLATE=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC_CCITT=m
-CONFIG_LIBCRC32C=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_STRIP_ASM_SYMS=y

arch/powerpc/configs/85xx/ge_imp3a_defconfig

@@ -223,7 +223,6 @@ CONFIG_NLS_KOI8_U=m
 CONFIG_NLS_UTF8=y
 CONFIG_CRC_CCITT=y
 CONFIG_CRC_T10DIF=y
-CONFIG_LIBCRC32C=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_CRYPTO_CBC=y
 CONFIG_CRYPTO_MD5=y

arch/powerpc/configs/skiroot_defconfig

@@ -281,7 +281,6 @@ CONFIG_LSM="yama,loadpin,safesetid,integrity"
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC16=y
 CONFIG_CRC_ITU_T=y
-CONFIG_LIBCRC32C=y
 # CONFIG_XZ_DEC_X86 is not set
 # CONFIG_XZ_DEC_IA64 is not set
 # CONFIG_XZ_DEC_ARM is not set

arch/sh/configs/se7206_defconfig

@@ -104,4 +104,3 @@ CONFIG_CRYPTO_LZO=y
 CONFIG_CRC_CCITT=y
 CONFIG_CRC16=y
 CONFIG_CRC_ITU_T=y
-CONFIG_LIBCRC32C=y

arch/sh/configs/sh2007_defconfig

@@ -195,4 +195,3 @@ CONFIG_CRYPTO_LZO=y
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC_CCITT=y
 CONFIG_CRC16=y
-CONFIG_LIBCRC32C=y

arch/sh/configs/titan_defconfig

@@ -266,4 +266,3 @@ CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC16=m
-CONFIG_LIBCRC32C=m

arch/sparc/configs/sparc32_defconfig

@@ -94,4 +94,3 @@ CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_TWOFISH=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
-CONFIG_LIBCRC32C=m

arch/sparc/configs/sparc64_defconfig

@@ -230,7 +230,6 @@ CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC16=m
-CONFIG_LIBCRC32C=m
 CONFIG_VCC=m
 CONFIG_PATA_CMD64X=y
 CONFIG_IP_PNP=y

lib/Kconfig

@@ -215,7 +215,7 @@ config CRC7
 	tristate
 
 config LIBCRC32C
-	tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
+	tristate
 	select CRC32
 	help
 	  This option just selects CRC32 and is provided for compatibility