summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/metro-usb.c
diff options
context:
space:
mode:
authorJohan Hovold <jhovold@gmail.com>2012-07-02 12:34:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-06 01:04:57 +0200
commitb7d28e32c93801d60c1a7a817f774a02b7bdde43 (patch)
tree4810f2d85fd6f12b69d30bc7a0df4402f26f44ac /drivers/usb/serial/metro-usb.c
parentUSB: option: Add MEDIATEK product ids (diff)
downloadlinux-b7d28e32c93801d60c1a7a817f774a02b7bdde43.tar.xz
linux-b7d28e32c93801d60c1a7a817f774a02b7bdde43.zip
USB: metro-usb: fix tty_flip_buffer_push use
Do not set low_latency flag at open as tty_flip_buffer_push must not be called in IRQ context with low_latency set. Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/metro-usb.c')
-rw-r--r--drivers/usb/serial/metro-usb.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c
index 81423f7361db..d47eb06fe463 100644
--- a/drivers/usb/serial/metro-usb.c
+++ b/drivers/usb/serial/metro-usb.c
@@ -222,14 +222,6 @@ static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port)
metro_priv->throttled = 0;
spin_unlock_irqrestore(&metro_priv->lock, flags);
- /*
- * Force low_latency on so that our tty_push actually forces the data
- * through, otherwise it is scheduled, and with high data rates (like
- * with OHCI) data can get lost.
- */
- if (tty)
- tty->low_latency = 1;
-
/* Clear the urb pipe. */
usb_clear_halt(serial->dev, port->interrupt_in_urb->pipe);