diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-07-02 12:34:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-05 16:04:57 -0700 |
| commit | b7d28e32c93801d60c1a7a817f774a02b7bdde43 (patch) | |
| tree | 4810f2d85fd6f12b69d30bc7a0df4402f26f44ac | |
| parent | aacef9c561a693341566a6850c451ce3df68cb9a (diff) | |
| download | blockconsole-b7d28e32c93801d60c1a7a817f774a02b7bdde43.tar.gz | |
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>
| -rw-r--r-- | drivers/usb/serial/metro-usb.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c index 81423f7361dbe..d47eb06fe463b 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); |