From: Eric Biggers <ebiggers@google.com>
Date: Sat, 8 Feb 2025 17:56:47 +0000 (-0800)
Subject: lib/crc-t10dif: remove crc_t10dif_is_optimized()
X-Git-Tag: v6.15-rc1~184^2~22
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0645b245a2bd1abf1b36b570db47517e5519819c;p=thirdparty%2Fkernel%2Flinux.git

lib/crc-t10dif: remove crc_t10dif_is_optimized()

With the "crct10dif" algorithm having been removed from the crypto API,
crc_t10dif_is_optimized() is no longer used.

Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250208175647.12333-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
---

diff --git a/arch/arm/lib/crc-t10dif-glue.c b/arch/arm/lib/crc-t10dif-glue.c
index d24dee62670ec..f3584ba70e57b 100644
--- a/arch/arm/lib/crc-t10dif-glue.c
+++ b/arch/arm/lib/crc-t10dif-glue.c
@@ -69,12 +69,6 @@ static void __exit crc_t10dif_arm_exit(void)
 }
 module_exit(crc_t10dif_arm_exit);
 
-bool crc_t10dif_is_optimized(void)
-{
-	return static_key_enabled(&have_neon);
-}
-EXPORT_SYMBOL(crc_t10dif_is_optimized);
-
 MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
 MODULE_DESCRIPTION("Accelerated CRC-T10DIF using ARM NEON and Crypto Extensions");
 MODULE_LICENSE("GPL v2");
diff --git a/arch/arm64/lib/crc-t10dif-glue.c b/arch/arm64/lib/crc-t10dif-glue.c
index dab7e37962329..a007d0c5f3fed 100644
--- a/arch/arm64/lib/crc-t10dif-glue.c
+++ b/arch/arm64/lib/crc-t10dif-glue.c
@@ -70,12 +70,6 @@ static void __exit crc_t10dif_arm64_exit(void)
 }
 module_exit(crc_t10dif_arm64_exit);
 
-bool crc_t10dif_is_optimized(void)
-{
-	return static_key_enabled(&have_asimd);
-}
-EXPORT_SYMBOL(crc_t10dif_is_optimized);
-
 MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
 MODULE_DESCRIPTION("CRC-T10DIF using arm64 NEON and Crypto Extensions");
 MODULE_LICENSE("GPL v2");
diff --git a/arch/powerpc/lib/crc-t10dif-glue.c b/arch/powerpc/lib/crc-t10dif-glue.c
index 730850dbc51d7..f411b0120cc55 100644
--- a/arch/powerpc/lib/crc-t10dif-glue.c
+++ b/arch/powerpc/lib/crc-t10dif-glue.c
@@ -78,12 +78,6 @@ static void __exit crc_t10dif_powerpc_exit(void)
 }
 module_exit(crc_t10dif_powerpc_exit);
 
-bool crc_t10dif_is_optimized(void)
-{
-	return static_key_enabled(&have_vec_crypto);
-}
-EXPORT_SYMBOL(crc_t10dif_is_optimized);
-
 MODULE_AUTHOR("Daniel Axtens <dja@axtens.net>");
 MODULE_DESCRIPTION("CRCT10DIF using vector polynomial multiply-sum instructions");
 MODULE_LICENSE("GPL");
diff --git a/arch/x86/lib/crc-t10dif-glue.c b/arch/x86/lib/crc-t10dif-glue.c
index 13f07ddc9122c..7734bdbc2e399 100644
--- a/arch/x86/lib/crc-t10dif-glue.c
+++ b/arch/x86/lib/crc-t10dif-glue.c
@@ -41,11 +41,5 @@ static void __exit crc_t10dif_x86_exit(void)
 }
 module_exit(crc_t10dif_x86_exit);
 
-bool crc_t10dif_is_optimized(void)
-{
-	return static_key_enabled(&have_pclmulqdq);
-}
-EXPORT_SYMBOL(crc_t10dif_is_optimized);
-
 MODULE_DESCRIPTION("CRC-T10DIF using PCLMULQDQ instructions");
 MODULE_LICENSE("GPL");
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
index d0706544fc11f..a559fdff3f7e2 100644
--- a/include/linux/crc-t10dif.h
+++ b/include/linux/crc-t10dif.h
@@ -19,13 +19,4 @@ static inline u16 crc_t10dif(const u8 *p, size_t len)
 	return crc_t10dif_update(0, p, len);
 }
 
-#if IS_ENABLED(CONFIG_CRC_T10DIF_ARCH)
-bool crc_t10dif_is_optimized(void);
-#else
-static inline bool crc_t10dif_is_optimized(void)
-{
-	return false;
-}
-#endif
-
 #endif