Messages in this thread Patch in this message | | | Date | Fri, 16 Oct 2009 10:10:00 -0700 | From | Greg KH <> | Subject | [07/46] USB: ftdi_sio: remove tty->low_latency |
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2.6.31-stable review patch. If anyone has any objections, please let us know.
------------------ From: Johan Hovold <jhovold@gmail.com>
commit 0cbd81a9f6bac734ac3266687bf027af1e395270 upstream.
Fixes tty_flip_buffer_push being called from hard interrupt context with low_latency set.
Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/usb/serial/ftdi_sio.c | 4 ---- 1 file changed, 4 deletions(-)
--- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1235,7 +1235,6 @@ static int set_serial_info(struct tty_st (new_serial.flags & ASYNC_FLAGS)); priv->custom_divisor = new_serial.custom_divisor; - tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; write_latency_timer(port); check_and_exit: @@ -1706,9 +1705,6 @@ static int ftdi_open(struct tty_struct * priv->rx_bytes = 0; spin_unlock_irqrestore(&priv->rx_lock, flags); - if (tty) - tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; - write_latency_timer(port); /* No error checking for this (will get errors later anyway) */
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