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Diffstat (limited to 'Documentation/driver-api/driver-model')
| -rw-r--r-- | Documentation/driver-api/driver-model/device.rst | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/driver-api/driver-model/device.rst b/Documentation/driver-api/driver-model/device.rst index b9b022371e85..41c819fafd9c 100644 --- a/Documentation/driver-api/driver-model/device.rst +++ b/Documentation/driver-api/driver-model/device.rst @@ -63,8 +63,14 @@ Attributes are declared using a macro called DEVICE_ATTR:: Example::: - static DEVICE_ATTR(type, 0444, show_type, NULL); - static DEVICE_ATTR(power, 0644, show_power, store_power); + static DEVICE_ATTR(type, 0444, type_show, NULL); + static DEVICE_ATTR(power, 0644, power_show, power_store); + +Helper macros are available for common values of mode, so the above examples +can be simplified to::: + + static DEVICE_ATTR_RO(type); + static DEVICE_ATTR_RW(power); This declares two structures of type struct device_attribute with respective names 'dev_attr_type' and 'dev_attr_power'. These two attributes can be |