From f172841573c41428b422b541bd5f50af0144c330 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 24 Jan 2017 20:24:36 -0800 Subject: [PATCH] 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 Signed-off-by: Guenter Roeck --- Documentation/hwmon/hwmon-kernel-api.txt | 4 ++++ Documentation/hwmon/sysfs-interface | 5 +++-- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/hwmon/hwmon-kernel-api.txt b/Documentation/hwmon/hwmon-kernel-api.txt index 2505ae6..53a8066 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 2cc95ad..fc337c3 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 -- 2.7.4