[PATCH 2/6] [v2] h8300: remove stale strncpy_from_user

Arnd Bergmann
2021-05-15T10:19:27Z

This function is never called because h8300 uses the asm-generic
inline function version.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/h8300/kernel/h8300_ksyms.c | 2 --
arch/h8300/lib/Makefile | 2 +-
arch/h8300/lib/strncpy.S | 35 ---------------------------------
3 files changed, 1 insertion(+), 38 deletions(-)
delete mode 100644 arch/h8300/lib/strncpy.S

diff --git a/arch/h8300/kernel/h8300_ksyms.c b/arch/h8300/kernel/h8300_ksyms.c
index 1c6f902e82a5..853d6e886477 100644
--- a/arch/h8300/kernel/h8300_ksyms.c
+++ b/arch/h8300/kernel/h8300_ksyms.c
@@ -19,7 +19,6 @@ asmlinkage long __mulsi3(long, long);
asmlinkage long __udivsi3(long, long);
asmlinkage void *memcpy(void *, const void *, size_t);
asmlinkage void *memset(void *, int, size_t);
-asmlinkage long strncpy_from_user(void *to, void *from, size_t n);

/* gcc lib functions */
EXPORT_SYMBOL(__ucmpdi2);
@@ -34,4 +33,3 @@ EXPORT_SYMBOL(__mulsi3);
EXPORT_SYMBOL(__udivsi3);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(strncpy_from_user);
diff --git a/arch/h8300/lib/Makefile b/arch/h8300/lib/Makefile
index 685fa837c1f7..5911c1fa856d 100644
--- a/arch/h8300/lib/Makefile
+++ b/arch/h8300/lib/Makefile
@@ -3,7 +3,7 @@
# Makefile for H8/300-specific library files..
#

-lib-y = memcpy.o memset.o abs.o strncpy.o \
+lib-y = memcpy.o memset.o abs.o \
mulsi3.o udivsi3.o muldi3.o moddivsi3.o \
ashldi3.o lshrdi3.o ashrdi3.o ucmpdi2.o \
delay.o
diff --git a/arch/h8300/lib/strncpy.S b/arch/h8300/lib/strncpy.S
deleted file mode 100644
index 8b65d7c4727b..000000000000
--- a/arch/h8300/lib/strncpy.S
+++ /dev/null
@@ -1,35 +0,0 @@
-;;; SPDX-License-Identifier: GPL-2.0
-;;; strncpy.S
-
-#include <asm/linkage.h>
-
- .text
-.global strncpy_from_user
-
-;;; long strncpy_from_user(void *to, void *from, size_t n)
-strncpy_from_user:
- mov.l er2,er2
- bne 1f
- sub.l er0,er0
- rts
-1:
- mov.l er4,@-sp
- sub.l er3,er3
-2:
- mov.b @er1+,r4l
- mov.b r4l,@er0
- adds #1,er0
- beq 3f
- inc.l #1,er3
- dec.l #1,er2
- bne 2b
-3:
- dec.l #1,er2
-4:
- mov.b r4l,@er0
- adds #1,er0
- dec.l #1,er2
- bne 4b
- mov.l er3,er0
- mov.l @sp+,er4
- rts
--
2.29.2