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authorOliver Neukum <oliver@neukum.org>2009-04-20 17:28:53 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-04-23 14:15:29 -0700
commit2400a2bfbd0e912193fe3b077f492d4980141813 (patch)
treee2e1bcc34252c14662c80df15c44703ead9d589c /drivers/usb/serial/kobil_sct.c
parent212b8f0c3f5a2280bfa1d6ab13a6fe98552becaa (diff)
USB: removal of tty->low_latency hack dating back to the old serial code
This removes tty->low_latency from all USB serial drivers that push data into the tty layer at hard interrupt context. It's no longer needed and actually harmful. Signed-off-by: Oliver Neukum <oliver@neukum.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
-rw-r--r--drivers/usb/serial/kobil_sct.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 6286baad9392..c148544953b3 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -231,13 +231,7 @@ static int kobil_open(struct tty_struct *tty,
/* someone sets the dev to 0 if the close method has been called */
port->interrupt_in_urb->dev = port->serial->dev;
-
- /* 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;
/* Default to echo off and other sane device settings */
tty->termios->c_lflag = 0;