[PATCHv13 8/9] serial: qcom_geni_serial: Disable MMIO tracing for geni serial

Sai Prakash Ranjan
2022-04-28T12:48:16Z

Disable MMIO tracing for geni serial driver as it is a high
frequency operation for serial driver with many register reads/
writes and not very useful to log all MMIO traces and prevent
excessive logging.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
---
drivers/tty/serial/qcom_geni_serial.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 1543a6028856..75272585c3c3 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1,6 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2017-2018, The Linux foundation. All rights reserved.

+/* Disable MMIO tracing to prevent excessive logging of unwanted MMIO traces */
+#define __DISABLE_TRACE_MMIO__
+
#include <linux/clk.h>
#include <linux/console.h>
#include <linux/io.h>