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| -rw-r--r-- | Documentation/driver-api/driver-model/device.rst | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/driver-api/driver-model/device.rst b/Documentation/driver-api/driver-model/device.rst index 41c819fafd9c..0833be568b06 100644 --- a/Documentation/driver-api/driver-model/device.rst +++ b/Documentation/driver-api/driver-model/device.rst @@ -82,19 +82,24 @@ organized as follows into a group:: NULL, }; - static struct attribute_group dev_attr_group = { + static struct attribute_group dev_group = { .attrs = dev_attrs, }; - static const struct attribute_group *dev_attr_groups[] = { - &dev_attr_group, + static const struct attribute_group *dev_groups[] = { + &dev_group, NULL, }; +A helper macro is available for the common case of a single group, so the +above two structures can be declared using::: + + ATTRIBUTE_GROUPS(dev); + This array of groups can then be associated with a device by setting the group pointer in struct device before device_register() is invoked:: - dev->groups = dev_attr_groups; + dev->groups = dev_groups; device_register(dev); The device_register() function will use the 'groups' pointer to create the |