diff options
Diffstat (limited to 'drivers/usb/gadget/u_serial.h')
| -rw-r--r-- | drivers/usb/gadget/u_serial.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/gadget/u_serial.h b/drivers/usb/gadget/u_serial.h index 9b0fe6450fbf..f06ee9a5db51 100644 --- a/drivers/usb/gadget/u_serial.h +++ b/drivers/usb/gadget/u_serial.h @@ -15,6 +15,8 @@ #include <linux/usb/composite.h> #include <linux/usb/cdc.h> +#define MAX_U_SERIAL_PORTS 4 + /* * One non-multiplexed "serial" I/O port ... there can be several of these * on any given USB peripheral device, if it provides enough endpoints. @@ -49,9 +51,9 @@ struct gserial { struct usb_request *gs_alloc_req(struct usb_ep *ep, unsigned len, gfp_t flags); void gs_free_req(struct usb_ep *, struct usb_request *req); -/* port setup/teardown is handled by gadget driver */ -int gserial_setup(struct usb_gadget *g, unsigned n_ports); -void gserial_cleanup(void); +/* management of individual TTY ports */ +int gserial_alloc_line(unsigned char *port_line); +void gserial_free_line(unsigned char port_line); /* connect/disconnect is handled by individual functions */ int gserial_connect(struct gserial *, u8 port_num); |