linux-kernel - [PATCH 1/3] Add Kconfig option for scmi debug statistics

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Date: Mon,  1 Jul 2024 15:28:49 +0100
From: Luke Parkin <luke.parkin@....com>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	arm-scmi@...r.kernel.org
Cc: sudeep.holla@....com,
	cristian.marussi@....com,
	Luke Parkin <luke.parkin@....com>
Subject: [PATCH 1/3] Add Kconfig option for scmi debug statistics

Add a new config option for statistic tracking in SCMI subsystem.

Signed-off-by: Luke Parkin <luke.parkin@....com>
---
 drivers/firmware/arm_scmi/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/firmware/arm_scmi/Kconfig b/drivers/firmware/arm_scmi/Kconfig
index aa5842be19b2..fac50fd0be72 100644
--- a/drivers/firmware/arm_scmi/Kconfig
+++ b/drivers/firmware/arm_scmi/Kconfig
@@ -55,6 +55,16 @@ config ARM_SCMI_RAW_MODE_SUPPORT_COEX
 	  operate normally, thing which could make an SCMI test suite using the
 	  SCMI Raw mode support unreliable. If unsure, say N.
 
+config ARM_SCMI_DEBUG_STATISTICS
+	bool "Enable SCMI Raw mode statistic tracking"
+	select ARM_SCMI_NEED_DEBUGFS
+	help
+	  Enables statistic tracking for the SCMI subsystem.
+
+	  Enable this option to create a new debugfs directory which contains
+	  several useful statistics on various SCMI features. This can be useful
+	  for debugging and SCMI monitoring. If unsure, say N.
+
 config ARM_SCMI_HAVE_TRANSPORT
 	bool
 	help
-- 
2.34.1