diff options
| author | Brant Merryman <brant.merryman@silabs.com> | 2020-06-26 04:22:58 +0000 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2020-07-06 11:56:50 +0200 |
| commit | 4387b3dbb079d482d3c2b43a703ceed4dd27ed28 (patch) | |
| tree | 7717104d378c9b601c50cad743d6169e95e7bd7a | |
| parent | 0580baa46ef67069217bfeabd511ea036e58c1c0 (diff) | |
| download | lwn-4387b3dbb079d482d3c2b43a703ceed4dd27ed28.tar.gz lwn-4387b3dbb079d482d3c2b43a703ceed4dd27ed28.zip | |
USB: serial: cp210x: enable usb generic throttle/unthrottle
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 <brant.merryman@silabs.com>
Co-developed-by: Phu Luu <phu.luu@silabs.com>
Signed-off-by: Phu Luu <phu.luu@silabs.com>
Link: https://lore.kernel.org/r/57401AF3-9961-461F-95E1-F8AFC2105F5E@silabs.com
[ johan: fix up tags ]
Fixes: 39a66b8d22a3 ("[PATCH] USB: CP2101 Add support for flow control")
Cc: stable <stable@vger.kernel.org> # 2.6.12
Signed-off-by: Johan Hovold <johan@kernel.org>
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index f5143eedbc48..bcceb4ad8be0 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -272,6 +272,8 @@ static struct usb_serial_driver cp210x_device = { .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, .attach = cp210x_attach, |