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authorJohan Hovold <jhovold@gmail.com>2012-07-02 12:34:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 09:04:37 -0700
commitb46b5ba5e79e61732af41dde4a9fd302a5f3184d (patch)
treeb9a10e605b5cf216f06a0fd7b597b64349def21f /drivers
parentd63d3985914e19816e9c19faab7abe336d80be89 (diff)
USB: metro-usb: fix tty_flip_buffer_push use
commit b7d28e32c93801d60c1a7a817f774a02b7bdde43 upstream. Do not set low_latency flag at open as tty_flip_buffer_push must not be called in IRQ context with low_latency set. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-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 08d16e8c002d..7c14671d6bd9 100644
--- a/drivers/usb/serial/metro-usb.c
+++ b/drivers/usb/serial/metro-usb.c
@@ -171,14 +171,6 @@ 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);