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/drivers/tty/serial/omap-serial.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/kernel/drivers/tty/serial/omap-serial.c b/kernel/drivers/tty/serial/omap-serial.c
index 342005e..84e8158 100644
--- a/kernel/drivers/tty/serial/omap-serial.c
+++ b/kernel/drivers/tty/serial/omap-serial.c
@@ -1311,10 +1311,13 @@
 
 	pm_runtime_get_sync(up->dev);
 
-	if (up->port.sysrq || oops_in_progress)
-		locked = spin_trylock_irqsave(&up->port.lock, flags);
+	local_irq_save(flags);
+	if (up->port.sysrq)
+		locked = 0;
+	else if (oops_in_progress)
+		locked = spin_trylock(&up->port.lock);
 	else
-		spin_lock_irqsave(&up->port.lock, flags);
+		spin_lock(&up->port.lock);
 
 	/*
 	 * First save the IER then disable the interrupts
@@ -1343,7 +1346,8 @@
 	pm_runtime_mark_last_busy(up->dev);
 	pm_runtime_put_autosuspend(up->dev);
 	if (locked)
-		spin_unlock_irqrestore(&up->port.lock, flags);
+		spin_unlock(&up->port.lock);
+	local_irq_restore(flags);
 }
 
 static int __init

--
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