__asm_dcache_all can directly return to the caller of
__asm_{flush,invalidate}_dcache_all.
We do not have to waste x16 register here.
Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---
arch/arm/cpu/armv8/cache.S | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/arch/arm/cpu/armv8/cache.S b/arch/arm/cpu/armv8/cache.S
index a9f4fec..1c71a2f 100644
--- a/arch/arm/cpu/armv8/cache.S
+++ b/arch/arm/cpu/armv8/cache.S
@@ -104,19 +104,13 @@ finished:
ENDPROC(__asm_dcache_all)
ENTRY(__asm_flush_dcache_all)
- mov x16, lr
mov x0, #0
- bl __asm_dcache_all
- mov lr, x16
- ret
+ b __asm_dcache_all
ENDPROC(__asm_flush_dcache_all)
ENTRY(__asm_invalidate_dcache_all)
- mov x16, lr
mov x0, #0x1
- bl __asm_dcache_all
- mov lr, x16
- ret
+ b __asm_dcache_all
ENDPROC(__asm_invalidate_dcache_all)
/*
--
1.9.1
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