lib/crc: remove unnecessary prompt for CONFIG_CRC16

ebiggers · ebiggers · commit 2038af8edae2 · 2025-04-04T11:31:42.000-07:00
All modules that need CONFIG_CRC16 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/20250401221600.24878-4-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>
diff --git a/arch/hexagon/configs/comet_defconfig b/arch/hexagon/configs/comet_defconfig
@@ -72,7 +72,6 @@ CONFIG_INET=y
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC16=y
 CONFIG_CRC_T10DIF=y
 CONFIG_FRAME_WARN=0
 CONFIG_MAGIC_SYSRQ=y
diff --git a/arch/m68k/configs/amcore_defconfig b/arch/m68k/configs/amcore_defconfig
@@ -89,4 +89,3 @@ CONFIG_PANIC_ON_OOPS=y
 # CONFIG_CRYPTO_ECHAINIV is not set
 CONFIG_CRYPTO_ANSI_CPRNG=y
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC16=y
diff --git a/arch/mips/configs/omega2p_defconfig b/arch/mips/configs/omega2p_defconfig
@@ -111,7 +111,6 @@ CONFIG_NLS_KOI8_U=y
 CONFIG_NLS_UTF8=y
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
-CONFIG_CRC16=y
 CONFIG_XZ_DEC=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
diff --git a/arch/mips/configs/rb532_defconfig b/arch/mips/configs/rb532_defconfig
@@ -155,5 +155,4 @@ CONFIG_JFFS2_COMPRESSION_OPTIONS=y
 CONFIG_SQUASHFS=y
 CONFIG_CRYPTO_TEST=m
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC16=m
 CONFIG_STRIP_ASM_SYMS=y
diff --git a/arch/mips/configs/sb1250_swarm_defconfig b/arch/mips/configs/sb1250_swarm_defconfig
@@ -99,4 +99,3 @@ CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_DEFLATE=m
 CONFIG_CRYPTO_LZO=m
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC16=m
diff --git a/arch/mips/configs/vocore2_defconfig b/arch/mips/configs/vocore2_defconfig
@@ -111,7 +111,6 @@ CONFIG_NLS_KOI8_U=y
 CONFIG_NLS_UTF8=y
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
-CONFIG_CRC16=y
 CONFIG_XZ_DEC=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
diff --git 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_CRC16=y
 CONFIG_CRC_ITU_T=y
 # CONFIG_XZ_DEC_X86 is not set
 # CONFIG_XZ_DEC_IA64 is not set
diff --git a/arch/sh/configs/hp6xx_defconfig b/arch/sh/configs/hp6xx_defconfig
@@ -56,5 +56,4 @@ CONFIG_CRYPTO_PCBC=y
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC16=y
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/magicpanelr2_defconfig b/arch/sh/configs/magicpanelr2_defconfig
@@ -86,4 +86,3 @@ CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_KOBJECT=y
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 CONFIG_FRAME_POINTER=y
-CONFIG_CRC16=m
diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig
@@ -101,5 +101,4 @@ CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC16=y
 CONFIG_CRC_ITU_T=y
diff --git a/arch/sh/configs/sh2007_defconfig b/arch/sh/configs/sh2007_defconfig
@@ -193,4 +193,3 @@ CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC16=y
diff --git a/arch/sh/configs/titan_defconfig b/arch/sh/configs/titan_defconfig
@@ -265,4 +265,3 @@ CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
-CONFIG_CRC16=m
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
@@ -229,7 +229,6 @@ CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
-CONFIG_CRC16=m
 CONFIG_VCC=m
 CONFIG_PATA_CMD64X=y
 CONFIG_IP_PNP=y
diff --git a/lib/Kconfig b/lib/Kconfig
@@ -142,12 +142,7 @@ config CRC_CCITT
 	tristate
 
 config CRC16
-	tristate "CRC16 functions"
-	help
-	  This option is provided for the case where no in-kernel-tree
-	  modules require CRC16 functions, but a module built outside
-	  the kernel tree does. Such modules that use library CRC16
-	  functions require M here.
+	tristate
 
 config CRC_T10DIF
 	tristate "CRC calculation for the T10 Data Integrity Field"
