From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/arch/arm/include/asm/spinlock.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/arm/include/asm/spinlock.h b/kernel/arch/arm/include/asm/spinlock.h
index 099c78f..8f009e7 100644
--- a/kernel/arch/arm/include/asm/spinlock.h
+++ b/kernel/arch/arm/include/asm/spinlock.h
@@ -210,11 +210,12 @@
prefetchw(&rw->lock);
__asm__ __volatile__(
+" .syntax unified\n"
"1: ldrex %0, [%2]\n"
" adds %0, %0, #1\n"
" strexpl %1, %0, [%2]\n"
WFE("mi")
-" rsbpls %0, %1, #0\n"
+" rsbspl %0, %1, #0\n"
" bmi 1b"
: "=&r" (tmp), "=&r" (tmp2)
: "r" (&rw->lock)
--
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