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

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Message-ID: <4b36033269ed4c869e96035f4828c65e7b0a237c.1651149615.git.quic_saipraka@quicinc.com>
Date:   Thu, 28 Apr 2022 18:14:11 +0530
From:   Sai Prakash Ranjan <quic_saipraka@...cinc.com>
To:     <arnd@...db.de>, <catalin.marinas@....com>,
        <gregkh@...uxfoundation.org>, <rostedt@...dmis.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <maz@...nel.org>, <quic_psodagud@...cinc.com>,
        <quic_tsoni@...cinc.com>, <will@...nel.org>,
        Sai Prakash Ranjan <quic_saipraka@...cinc.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: [PATCHv13 8/9] serial: qcom_geni_serial: Disable MMIO tracing for geni serial

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@...aro.org>
Signed-off-by: Sai Prakash Ranjan <quic_saipraka@...cinc.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>
-- 
2.33.1