- struct urb *ctrlurb, *readurb, *writeurb; /* urbs */
- u8 *ctrl_buffer, *read_buffer, *write_buffer; /* buffers of urbs */
- dma_addr_t ctrl_dma, read_dma, write_dma; /* dma handles of buffers */
- struct acm_line line; /* line coding (bits, stop, parity) */
+ struct urb *ctrlurb, *writeurb; /* urbs */
+ u8 *ctrl_buffer; /* buffers of urbs */
+ dma_addr_t ctrl_dma; /* dma handles of buffers */
+ struct acm_wb wb[ACM_NW];
+ struct acm_ru ru[ACM_NR];
+ struct acm_rb rb[ACM_NR];
+ int rx_buflimit;
+ int rx_endpoint;
+ spinlock_t read_lock;
+ struct list_head spare_read_urbs;
+ struct list_head spare_read_bufs;
+ struct list_head filled_read_bufs;
+ int write_current; /* current write buffer */
+ int write_used; /* number of non-empty write buffers */
+ int write_ready; /* write urb is not running */
+ spinlock_t write_lock;
+ struct usb_cdc_line_coding line; /* bits, stop, parity */