summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial
diff options
context:
space:
mode:
authorBrant Merryman <brant.merryman@silabs.com>2020-06-26 04:22:58 +0000
committerJohan Hovold <johan@kernel.org>2020-07-06 11:56:50 +0200
commit4387b3dbb079d482d3c2b43a703ceed4dd27ed28 (patch)
tree7717104d378c9b601c50cad743d6169e95e7bd7a /drivers/usb/serial
parent0580baa46ef67069217bfeabd511ea036e58c1c0 (diff)
downloadlinux-stable-4387b3dbb079d482d3c2b43a703ceed4dd27ed28.tar.gz
linux-stable-4387b3dbb079d482d3c2b43a703ceed4dd27ed28.tar.bz2
linux-stable-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>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/cp210x.c2
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,