lib/crc: remove unnecessary prompt for CONFIG_CRC_ITU_T

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

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250401221600.24878-6-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>

13 files changed, 1 insertions, 18 deletions

diff --git a/arch/arm/configs/lpc18xx_defconfig b/arch/arm/configs/lpc18xx_defconfig
index 2aa2ac8c6507..2d489186e945 100644
--- a/arch/arm/configs/lpc18xx_defconfig
+++ b/arch/arm/configs/lpc18xx_defconfig
@@ -147,7 +147,6 @@ CONFIG_EXT2_FS=y
 # CONFIG_INOTIFY_USER is not set
 CONFIG_JFFS2_FS=y
 # CONFIG_NETWORK_FILESYSTEMS is not set
-CONFIG_CRC_ITU_T=y
 CONFIG_PRINTK_TIME=y
 # CONFIG_ENABLE_MUST_CHECK is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
diff --git a/arch/arm/configs/milbeaut_m10v_defconfig b/arch/arm/configs/milbeaut_m10v_defconfig
index bb35cc0c469e..275ddf7a3a14 100644
--- a/arch/arm/configs/milbeaut_m10v_defconfig
+++ b/arch/arm/configs/milbeaut_m10v_defconfig
@@ -108,7 +108,6 @@ CONFIG_CRYPTO_AES_ARM_BS=m
 CONFIG_CRYPTO_AES_ARM_CE=m
 CONFIG_CRYPTO_CHACHA20_NEON=m
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC_ITU_T=m
 CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_PRINTK_TIME=y
diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig
index d8a6e43c401e..c76d66135abb 100644
--- a/arch/arm/configs/mxs_defconfig
+++ b/arch/arm/configs/mxs_defconfig
@@ -160,7 +160,6 @@ CONFIG_NLS_CODEPAGE_850=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_NLS_ISO8859_15=y
 CONFIG_CRYPTO_DEV_MXS_DCP=y
-CONFIG_CRC_ITU_T=m
 CONFIG_FONTS=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index d8a35c44b64f..75b326bc7830 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -706,7 +706,6 @@ CONFIG_CRYPTO_DEV_OMAP=m
 CONFIG_CRYPTO_DEV_OMAP_SHAM=m
 CONFIG_CRYPTO_DEV_OMAP_AES=m
 CONFIG_CRYPTO_DEV_OMAP_DES=m
-CONFIG_CRC_ITU_T=y
 CONFIG_DMA_CMA=y
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
diff --git a/arch/arm/configs/sama7_defconfig b/arch/arm/configs/sama7_defconfig
index d850f92a73ea..e14720a9a5ac 100644
--- a/arch/arm/configs/sama7_defconfig
+++ b/arch/arm/configs/sama7_defconfig
@@ -227,7 +227,6 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_DEV_ATMEL_AES=y
 CONFIG_CRYPTO_DEV_ATMEL_TDES=y
 CONFIG_CRYPTO_DEV_ATMEL_SHA=y
-CONFIG_CRC_ITU_T=y
 CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_CMA_ALIGNMENT=9
diff --git a/arch/arm/configs/stm32_defconfig b/arch/arm/configs/stm32_defconfig
index 423bb41c4225..dcd9c316072e 100644
--- a/arch/arm/configs/stm32_defconfig
+++ b/arch/arm/configs/stm32_defconfig
@@ -74,7 +74,6 @@ CONFIG_EXT3_FS=y
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY_USER is not set
 CONFIG_NLS=y
-CONFIG_CRC_ITU_T=y
 CONFIG_PRINTK_TIME=y
 # CONFIG_DEBUG_BUGVERBOSE is not set
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
diff --git a/arch/arm/configs/wpcm450_defconfig b/arch/arm/configs/wpcm450_defconfig
index 60e38f5b7dae..cd4b3e70ff68 100644
--- a/arch/arm/configs/wpcm450_defconfig
+++ b/arch/arm/configs/wpcm450_defconfig
@@ -191,7 +191,6 @@ CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
 CONFIG_X509_CERTIFICATE_PARSER=y
 CONFIG_PKCS7_MESSAGE_PARSER=y
 CONFIG_SYSTEM_TRUSTED_KEYRING=y
-CONFIG_CRC_ITU_T=m
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
diff --git a/arch/mips/configs/ath79_defconfig b/arch/mips/configs/ath79_defconfig
index 8caa03a41327..cba0b85c6707 100644
--- a/arch/mips/configs/ath79_defconfig
+++ b/arch/mips/configs/ath79_defconfig
@@ -82,7 +82,6 @@ CONFIG_LEDS_GPIO=y
 # CONFIG_IOMMU_SUPPORT is not set
 # CONFIG_DNOTIFY is not set
 # CONFIG_PROC_PAGE_MONITOR is not set
-CONFIG_CRC_ITU_T=m
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_DEBUG_FS=y
 # CONFIG_SCHED_DEBUG is not set
diff --git a/arch/mips/configs/rt305x_defconfig b/arch/mips/configs/rt305x_defconfig
index 8404e0a9d8b2..8f9701efef19 100644
--- a/arch/mips/configs/rt305x_defconfig
+++ b/arch/mips/configs/rt305x_defconfig
@@ -128,7 +128,6 @@ CONFIG_SQUASHFS=y
 # CONFIG_SQUASHFS_ZLIB is not set
 CONFIG_SQUASHFS_XZ=y
 CONFIG_CRYPTO_ARC4=m
-CONFIG_CRC_ITU_T=m
 # CONFIG_XZ_DEC_X86 is not set
 # CONFIG_XZ_DEC_POWERPC is not set
 # CONFIG_XZ_DEC_IA64 is not set
diff --git a/arch/mips/configs/xway_defconfig b/arch/mips/configs/xway_defconfig
index 7b91edfe3e07..aae8497b6872 100644
--- a/arch/mips/configs/xway_defconfig
+++ b/arch/mips/configs/xway_defconfig
@@ -140,7 +140,6 @@ CONFIG_SQUASHFS=y
 # CONFIG_SQUASHFS_ZLIB is not set
 CONFIG_SQUASHFS_XZ=y
 CONFIG_CRYPTO_ARC4=m
-CONFIG_CRC_ITU_T=m
 CONFIG_PRINTK_TIME=y
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_DEBUG_FS=y
diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig
index 6c0517961eee..6f436cb7d0c1 100644
--- a/arch/powerpc/configs/skiroot_defconfig
+++ b/arch/powerpc/configs/skiroot_defconfig
@@ -279,7 +279,6 @@ CONFIG_LOCK_DOWN_KERNEL_FORCE_INTEGRITY=y
 # CONFIG_INTEGRITY is not set
 CONFIG_LSM="yama,loadpin,safesetid,integrity"
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC_ITU_T=y
 # CONFIG_XZ_DEC_X86 is not set
 # CONFIG_XZ_DEC_IA64 is not set
 # CONFIG_XZ_DEC_ARM is not set
diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig
index d881fccbe6f0..64f9308ee586 100644
--- a/arch/sh/configs/se7206_defconfig
+++ b/arch/sh/configs/se7206_defconfig
@@ -101,4 +101,3 @@ CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC_ITU_T=y
diff --git a/lib/Kconfig b/lib/Kconfig
index 4301bfd08feb..89470bb24519 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -155,12 +155,7 @@ config CRC_T10DIF_ARCH
 	default CRC_T10DIF if ARCH_HAS_CRC_T10DIF && CRC_OPTIMIZATIONS
 
 config CRC_ITU_T
-	tristate "CRC ITU-T V.41 functions"
-	help
-	  This option is provided for the case where no in-kernel-tree
-	  modules require CRC ITU-T V.41 functions, but a module built outside
-	  the kernel tree does. Such modules that use library CRC ITU-T V.41
-	  functions require M here.
+	tristate
 
 config CRC32
 	tristate