From: Brant Merryman <[email protected]> commit 4387b3dbb079d482d3c2b43a703ceed4dd27ed28 upstream.
Assign the .throttle and .unthrottle functions to be generic function in the driver structure to prevent data loss that can otherwise occur if the host does not enable USB throttling. Signed-off-by: Brant Merryman <[email protected]> Co-developed-by: Phu Luu <[email protected]> Signed-off-by: Phu Luu <[email protected]> Link: https://lore.kernel.org/r/[email protected] [ johan: fix up tags ] Fixes: 39a66b8d22a3 ("[PATCH] USB: CP2101 Add support for flow control") Cc: stable <[email protected]> # 2.6.12 Signed-off-by: Johan Hovold <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/serial/cp210x.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -255,6 +255,8 @@ static struct usb_serial_driver cp210x_d .break_ctl = cp210x_break_ctl, .set_termios = cp210x_set_termios, .tx_empty = cp210x_tx_empty, + .throttle = usb_serial_generic_throttle, + .unthrottle = usb_serial_generic_unthrottle, .tiocmget = cp210x_tiocmget, .tiocmset = cp210x_tiocmset, .port_probe = cp210x_port_probe,
