From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart

---
 kernel/arch/sparc/lib/csum_copy.S |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/arch/sparc/lib/csum_copy.S b/kernel/arch/sparc/lib/csum_copy.S
index 26c644b..d839956 100644
--- a/kernel/arch/sparc/lib/csum_copy.S
+++ b/kernel/arch/sparc/lib/csum_copy.S
@@ -68,9 +68,10 @@
 	.globl		FUNC_NAME
 	.type		FUNC_NAME,#function
 	EXPORT_SYMBOL(FUNC_NAME)
-FUNC_NAME:		/* %o0=src, %o1=dst, %o2=len, %o3=sum */
+FUNC_NAME:		/* %o0=src, %o1=dst, %o2=len */
 	LOAD(prefetch, %o0 + 0x000, #n_reads)
 	xor		%o0, %o1, %g1
+	mov		-1, %o3
 	clr		%o4
 	andcc		%g1, 0x3, %g0
 	bne,pn		%icc, 95f

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