linux-kernel - [PATCH] hwmon: (dell-smm) Improve documentation

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Message-Id: <20220727083004.5684-1-W_Armin@gmx.de>
Date:   Wed, 27 Jul 2022 10:30:04 +0200
From:   Armin Wolf <W_Armin@....de>
To:     pali@...nel.org
Cc:     jdelvare@...e.com, linux@...ck-us.net, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] hwmon: (dell-smm) Improve documentation

Notify users of this driver that each pwmX
attribute controls fan number X, meaning that
probing of pwm channels is unnecessary.

Signed-off-by: Armin Wolf <W_Armin@....de>
---
 Documentation/hwmon/dell-smm-hwmon.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/hwmon/dell-smm-hwmon.rst b/Documentation/hwmon/dell-smm-hwmon.rst
index e5d85e40972c..d8f1d6859b96 100644
--- a/Documentation/hwmon/dell-smm-hwmon.rst
+++ b/Documentation/hwmon/dell-smm-hwmon.rst
@@ -46,6 +46,9 @@ temp[1-10]_input                RO      Temperature reading in milli-degrees
 temp[1-10]_label                RO      Temperature sensor label.
 =============================== ======= =======================================

+Due to the nature of the SMM interface, each pwmX attribute controls
+fan number X.
+
 Disabling automatic BIOS fan control
 ------------------------------------

--
2.30.2