summaryrefslogtreecommitdiff
path: root/include/linux/usb/serial.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/usb/serial.h')
-rw-r--r--include/linux/usb/serial.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index d528b8045150..704a1ab8240c 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -320,6 +320,8 @@ extern struct usb_serial_port *usb_serial_port_get_by_minor(unsigned int minor);
extern void usb_serial_put(struct usb_serial *serial);
extern int usb_serial_generic_open(struct tty_struct *tty,
struct usb_serial_port *port);
+extern int usb_serial_generic_write_start(struct usb_serial_port *port,
+ gfp_t mem_flags);
extern int usb_serial_generic_write(struct tty_struct *tty,
struct usb_serial_port *port, const unsigned char *buf, int count);
extern void usb_serial_generic_close(struct usb_serial_port *port);