[PATCH v2] xtensa: drop bcopy implementation

From: Max Filippov
Date: Fri Jun 09 2023 - 13:25:24 EST


bcopy is not exported and there's no in-tree users of this function.
Drop it.

Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx>
---
Changes v1->v2:
- also remove __HAVE_ARCH_BCOPY macro definition drom string.h

arch/xtensa/include/asm/string.h | 3 ---
arch/xtensa/lib/memcopy.S | 15 ---------------
2 files changed, 18 deletions(-)

diff --git a/arch/xtensa/include/asm/string.h b/arch/xtensa/include/asm/string.h
index 89b51a0c752f..ffce43513fa2 100644
--- a/arch/xtensa/include/asm/string.h
+++ b/arch/xtensa/include/asm/string.h
@@ -118,9 +118,6 @@ extern void *__memcpy(void *__to, __const__ void *__from, size_t __n);
extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
extern void *__memmove(void *__dest, __const__ void *__src, size_t __n);

-/* Don't build bcopy at all ... */
-#define __HAVE_ARCH_BCOPY
-
#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)

/*
diff --git a/arch/xtensa/lib/memcopy.S b/arch/xtensa/lib/memcopy.S
index b20d206bcb71..98c3662bed8c 100644
--- a/arch/xtensa/lib/memcopy.S
+++ b/arch/xtensa/lib/memcopy.S
@@ -274,21 +274,6 @@ WEAK(memcpy)

ENDPROC(__memcpy)

-/*
- * void bcopy(const void *src, void *dest, size_t n);
- */
-
-ENTRY(bcopy)
-
- abi_entry_default
- # a2=src, a3=dst, a4=len
- mov a5, a3
- mov a3, a2
- mov a2, a5
- j .Lmovecommon # go to common code for memmove+bcopy
-
-ENDPROC(bcopy)
-
/*
* void *memmove(void *dst, const void *src, size_t len);
*
--
2.30.2