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-rw-r--r--arch/arm/kernel/debug.S18
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index b795dc2408c0..d92f44bdf438 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/kernel/debug.S
*
* Copyright (C) 1994-1999 Russell King
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* 32-bit debugging code
*/
#include <linux/linkage.h>
@@ -86,17 +83,24 @@ hexbuf_rel: .long hexbuf_addr - .
ENTRY(printascii)
addruart_current r3, r1, r2
1: teq r0, #0
- ldrneb r1, [r0], #1
+ ldrbne r1, [r0], #1
teqne r1, #0
reteq lr
2: teq r1, #'\n'
bne 3f
mov r1, #'\r'
- waituart r2, r3
+#ifdef CONFIG_DEBUG_UART_FLOW_CONTROL
+ waituartcts r2, r3
+#endif
+ waituarttxrdy r2, r3
senduart r1, r3
busyuart r2, r3
mov r1, #'\n'
-3: waituart r2, r3
+3:
+#ifdef CONFIG_DEBUG_UART_FLOW_CONTROL
+ waituartcts r2, r3
+#endif
+ waituarttxrdy r2, r3
senduart r1, r3
busyuart r2, r3
b 1b