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Message-Id: <20221104193657.105130-3-nick.hawkins@hpe.com>
Date: Fri, 4 Nov 2022 14:36:53 -0500
From: nick.hawkins@....com
To: jdelvare@...e.com, linux@...ck-us.net, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, verdun@....com,
nick.hawkins@....com, corbet@....net, linux@...linux.org.uk,
linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v1 2/6] ABI: sysfs-class-hwmon: add a description for fanY_fault
From: Nick Hawkins <nick.hawkins@....com>
The fans are capable of reporting a fault to the CPLD controller which
then reports it to the GXP SoC via PLREGS. This patch enables hwmon to
be able to report these failures up to the HOST OS.
Signed-off-by: Nick Hawkins <nick.hawkins@....com>
---
Documentation/ABI/testing/sysfs-class-hwmon | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon
index 7271781a23b2..638f4c6d4ec7 100644
--- a/Documentation/ABI/testing/sysfs-class-hwmon
+++ b/Documentation/ABI/testing/sysfs-class-hwmon
@@ -276,6 +276,15 @@ Description:
RW
+What: /sys/class/hwmon/hwmonX/fanY_fault
+Description:
+ Reports if a fan has reported failure.
+
+ - 1: Failed
+ - 0: Ok
+
+ RO
+
What: /sys/class/hwmon/hwmonX/pwmY
Description:
Pulse width modulation fan control.
--
2.17.1
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