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authorEugene Shalygin <eugene.shalygin@gmail.com>2022-04-27 16:29:59 +0200
committerGuenter Roeck <linux@roeck-us.net>2022-05-20 10:57:06 -0700
commitde8fbac5e59e239b00cdac611784b1bc1ff53d14 (patch)
tree6dca26daa048189f2ad3b7a321d5ec539cbb27b9 /Documentation/hwmon/asus_ec_sensors.rst
parenthwmon: (asus-ec-sensors) introduce ec_board_info struct for board data (diff)
downloadlinux-dev-de8fbac5e59e239b00cdac611784b1bc1ff53d14.tar.xz
linux-dev-de8fbac5e59e239b00cdac611784b1bc1ff53d14.zip
hwmon: (asus-ec-sensors) implement locking via the ACPI global lock
For some board models ASUS uses the global ACPI lock to guard access to the hardware, so do we. Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com> Link: https://lore.kernel.org/r/20220427143001.1443605-3-eugene.shalygin@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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-rw-r--r--Documentation/hwmon/asus_ec_sensors.rst2
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diff --git a/Documentation/hwmon/asus_ec_sensors.rst b/Documentation/hwmon/asus_ec_sensors.rst
index b3469851ab9a..36ca531d32dd 100644
--- a/Documentation/hwmon/asus_ec_sensors.rst
+++ b/Documentation/hwmon/asus_ec_sensors.rst
@@ -53,3 +53,5 @@ Module Parameters
the path is mostly identical for them). If ASUS changes this path
in a future BIOS update, this parameter can be used to override
the stored in the driver value until it gets updated.
+ A special string ":GLOBAL_LOCK" can be passed to use the ACPI
+ global lock instead of a dedicated mutex.