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authorGuenter Roeck <linux@roeck-us.net>2017-01-24 20:24:36 -0800
committerGuenter Roeck <linux@roeck-us.net>2017-01-25 06:14:36 -0800
commitf172841573c41428b422b541bd5f50af0144c330 (patch)
tree6c07826e593011f7b8ce1f5dc9c8f26a125077e1 /Documentation/hwmon
parent8353863a52a82c7701d9d10433bea703fd24ec2d (diff)
downloadblackbird-op-linux-f172841573c41428b422b541bd5f50af0144c330.tar.gz
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hwmon: Update documentation to clarify rules for the 'name' attribute
Clarify that the name attribute must report a valid name, and the rules for valid names. Also clarify that the name parameter must be provided for all supported API functions. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
-rw-r--r--Documentation/hwmon/hwmon-kernel-api.txt4
-rw-r--r--Documentation/hwmon/sysfs-interface5
2 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/hwmon/hwmon-kernel-api.txt b/Documentation/hwmon/hwmon-kernel-api.txt
index 2505ae67e2b6..53a806696c64 100644
--- a/Documentation/hwmon/hwmon-kernel-api.txt
+++ b/Documentation/hwmon/hwmon-kernel-api.txt
@@ -89,6 +89,10 @@ the call to devm_hwmon_device_register_with_groups or
hwmon_device_register_with_info and if the automatic (device managed)
removal would be too late.
+All supported hwmon device registration functions only accept valid device
+names. Device names including invalid characters (whitespace, '*', or '-')
+will be rejected. The 'name' parameter is mandatory.
+
Using devm_hwmon_device_register_with_info()
--------------------------------------------
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 2cc95ad46604..fc337c317c67 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -86,8 +86,9 @@ given driver if the chip has the feature.
name The chip name.
This should be a short, lowercase string, not containing
- spaces nor dashes, representing the chip name. This is
- the only mandatory attribute.
+ whitespace, dashes, or the wildcard character '*'.
+ This attribute represents the chip name. It is the only
+ mandatory attribute.
I2C devices get this attribute created automatically.
RO
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