lib/crc: remove unnecessary prompt for CONFIG_CRC16

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>

14 files changed, 1 insertions, 19 deletions

diff --git a/arch/hexagon/configs/comet_defconfig b/arch/hexagon/configs/comet_defconfig
index fed4a64b36fb..902cf30cf54b 100644
--- 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
index 67a0d157122d..110279a64aa4 100644
--- 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
index 128f9abab7fc..e2bcdfd290a1 100644
--- 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
index 0261969a6e45..42b161d587c7 100644
--- 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
index ce855b644bb0..ae2afff00e01 100644
--- 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
index 917967fed45f..2a9a9b12847d 100644
--- 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
index 1eb446452fc0..6c0517961eee 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_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
index 77e3185f63e4..3b7525510f7c 100644
--- 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
index a1109762c8ec..93b9aa32dc7c 100644
--- 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
index bdd29e817ff7..d881fccbe6f0 100644
--- 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
index 61bc391d443c..cc6292b3235a 100644
--- 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
index 11ff5fd510de..f3fad19b3059 100644
--- 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
index 01b2bdfbf9a8..f1ba0fefe1f9 100644
--- 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
index 81d8ff429dca..372e07c5e31d 100644
--- 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"