[PATCH 2/2] tty: serial: qcom_geni_serial: Disable MMIO tracing

From: Vijaya Krishna Nivarthi
Date: Mon May 02 2022 - 06:45:41 EST


Register read/write tracing is causing excessive
logging and filling the rtb buffer and effecting
performance.

Disabled MMIO tracing to disable register
read/write tracing.

Signed-off-by: Visweswara Tanuku <quic_vtanuku@xxxxxxxxxxx>
Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@xxxxxxxxxxx>
---
drivers/tty/serial/qcom_geni_serial.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index f496102..aa8facb 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1,5 +1,11 @@
// SPDX-License-Identifier: GPL-2.0
-// Copyright (c) 2017-2018, The Linux foundation. All rights reserved.
+/*
+ * Copyright (c) 2017-2018, The Linux foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/* Disable MMIO tracing */
+#define __DISABLE_TRACE_MMIO__

#include <linux/clk.h>
#include <linux/console.h>
--
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