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USB: removal of tty->low_latency hack dating back to the old serial code

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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>
This commit is contained in:
Oliver Neukum
2009-04-20 17:28:53 +02:00
committed by Greg Kroah-Hartman
parent 212b8f0c3f
commit 2400a2bfbd
18 changed files with 1 additions and 111 deletions
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1
drivers/usb/serial/iuu_phoenix.c
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@@ -1051,7 +1051,6 @@ static int iuu_open(struct tty_struct *tty,
tty->termios->c_oflag = 0;
tty->termios->c_iflag = 0;
priv->termios_initialized = 1;
tty->low_latency = 1;
priv->poll = 0;
}
spin_unlock_irqrestore(&priv->lock, flags);