diff options
| -rw-r--r-- | drivers/usb/serial/generic.c | 3 | ||||
| -rw-r--r-- | include/linux/usb/serial.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 31f7829..2b01ec8 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -129,7 +129,7 @@ int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port, * * Return: Zero on success or if busy, otherwise a negative errno value. */ -static int usb_serial_generic_write_start(struct usb_serial_port *port, +int usb_serial_generic_write_start(struct usb_serial_port *port, gfp_t mem_flags) { struct urb *urb; @@ -184,6 +184,7 @@ retry: return 0; } +EXPORT_SYMBOL_GPL(usb_serial_generic_write_start); /** * usb_serial_generic_write - generic write function diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index d528b80..704a1ab 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); |