Commit 2f69b04a authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

h8300: remove stale strncpy_from_user 



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

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent f27180dd

arch/h8300/kernel/h8300_ksyms.c

+0 −2
Original line number Diff line number Diff line
@@ -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);

arch/h8300/lib/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -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

arch/h8300/lib/strncpy.S

deleted100644 → 0
+0 −35
Original line number Diff line number Diff line 
;;; 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