183 size_t bulk_in_left;
184 __u8 bulk_in_endpointAddr;
185 __u8 bulk_out_endpointAddr;
186 struct kref kref;
187 u32 controlreg;
188 u8 response[4 + 1024];
189 int expected;
190 int recieved;
191 int ed_found;
192};
193#define kref_to_usb_ftdi(d) container_of(d, struct usb_ftdi, kref)
194#define platform_device_to_usb_ftdi(d) container_of(d, struct usb_ftdi, \
195 platform_dev)
196static struct usb_driver ftdi_elan_driver;
197static void ftdi_elan_delete(struct kref *kref)
198{
199 struct usb_ftdi *ftdi = kref_to_usb_ftdi(kref);
200 dev_warn(&ftdi->udev->dev, "FREEING ftdi=%p\n", ftdi);
201 usb_put_dev(ftdi->udev);
202 ftdi->disconnected += 1;
203 mutex_lock(&ftdi_module_lock);
204 list_del_init(&ftdi->ftdi_list);
205 ftdi_instances -= 1;
206 mutex_unlock(&ftdi_module_lock);
207 kfree(ftdi->bulk_in_buffer);
208 ftdi->bulk_in_buffer = NULL;
209}
210
211static void ftdi_elan_put_kref(struct usb_ftdi *ftdi)
212{
213 kref_put(&ftdi->kref, ftdi_elan_delete);
214}
215
216static void ftdi_elan_get_kref(struct usb_ftdi *ftdi)
217{
218 kref_get(&ftdi->kref);
219}
220
221static void ftdi_elan_init_kref(struct usb_ftdi *ftdi)
222{
223 kref_init(&ftdi->kref);