diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
commit | 170465ee7f5a9a2d0ac71285507e52642e040353 (patch) | |
tree | dbca81f04cde9e625170abbd6a72555cfbeb194e /drivers/usb/gadget/u_serial.h | |
parent | 169ad16bb87c10a3f7c108bb7008ebc0270f617a (diff) | |
parent | 1fca25427482387689fa27594c992a961d98768f (diff) |
Merge branch 'linus' into x86/xen
Diffstat (limited to 'drivers/usb/gadget/u_serial.h')
-rw-r--r-- | drivers/usb/gadget/u_serial.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/usb/gadget/u_serial.h b/drivers/usb/gadget/u_serial.h index 7b561138f90..af3910d01ae 100644 --- a/drivers/usb/gadget/u_serial.h +++ b/drivers/usb/gadget/u_serial.h @@ -23,8 +23,7 @@ * style I/O using the USB peripheral endpoints listed here, including * hookups to sysfs and /dev for each logical "tty" device. * - * REVISIT need TTY --> USB event flow too, so ACM can report open/close - * as carrier detect events. Model after ECM. There's more ACM state too. + * REVISIT at least ACM could support tiocmget() if needed. * * REVISIT someday, allow multiplexing several TTYs over these endpoints. */ @@ -41,8 +40,17 @@ struct gserial { /* REVISIT avoid this CDC-ACM support harder ... */ struct usb_cdc_line_coding port_line_coding; /* 9600-8-N-1 etc */ + + /* notification callbacks */ + void (*connect)(struct gserial *p); + void (*disconnect)(struct gserial *p); + int (*send_break)(struct gserial *p, int duration); }; +/* utilities to allocate/free request and buffer */ +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); |