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Ô­ÎÄ£ºlinux/Documentation/driver-model/class.txt
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<Insert List of Device Classes Here>
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typedef int (*devclass_add)(struct device *);
typedef void (*devclass_remove)(struct device *);
struct device_class {
    char            * name;
    rwlock_t        lock;
    u32            devnum;
    struct list_head    node;
    struct list_head    drivers;
    struct list_head    intf_list;
    struct driver_dir_entry    dir;
    struct driver_dir_entry    device_dir;
    struct driver_dir_entry    driver_dir;
    devclass_add        add_device;
    devclass_remove        remove_device;
};
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struct device_class input_devclass = {
        .name        = "input",
        .add_device    = input_add_device,
    .remove_device    = input_remove_device,
};
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int devclass_register(struct device_class * cls);
void devclass_unregister(struct device_class * cls);
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