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csky: Fixup duplicated restore sp in RESTORE_REGS_FTRACE

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There is no user return for RESTORE_REGS_FTRACE, so it's no need to
save sp into ss0 as RESTORE_REGS_ALL.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Guo Ren 2020-07-28 16:18:54 +00:00
parent 8077e66bc3
commit f788bb2fb9
1 changed files with 0 additions and 3 deletions
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3
arch/csky/abiv2/inc/abi/entry.h
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@ -136,8 +136,6 @@
.macro RESTORE_REGS_FTRACE
ldw tls, (sp, 0)
ldw a0, (sp, 16)
mtcr a0, ss0
#ifdef CONFIG_CPU_HAS_HILO
ldw a0, (sp, 140)
@ -158,7 +156,6 @@
addi sp, 40
ldm r16-r30, (sp)
addi sp, 72
mfcr sp, ss0
.endm
.macro SAVE_SWITCH_STACK