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tty: move the termios object into the tty

소스 검색 
This will let us sort out a whole pile of tty related races. The
alternative would be to keep points and refcount the termios objects.
However
1. They are tiny anyway
2. Many devices don't use the stored copies
3. We can remove a pty special case

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox
2012-07-14 15:31:47 +01:00
committed by Greg Kroah-Hartman
부모 6d31a88cb2
커밋 adc8d746ca
65개의 변경된 파일과 408개의 추가작업 그리고 434개의 파일을 삭제
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18
drivers/usb/serial/kl5kusb105.c
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@@ -311,12 +311,12 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
/* set up termios structure */
spin_lock_irqsave(&priv->lock, flags);
priv->termios.c_iflag = tty->termios->c_iflag;
priv->termios.c_oflag = tty->termios->c_oflag;
priv->termios.c_cflag = tty->termios->c_cflag;
priv->termios.c_lflag = tty->termios->c_lflag;
priv->termios.c_iflag = tty->termios.c_iflag;
priv->termios.c_oflag = tty->termios.c_oflag;
priv->termios.c_cflag = tty->termios.c_cflag;
priv->termios.c_lflag = tty->termios.c_lflag;
for (i = 0; i < NCCS; i++)
priv->termios.c_cc[i] = tty->termios->c_cc[i];
priv->termios.c_cc[i] = tty->termios.c_cc[i];
priv->cfg.pktlen = cfg->pktlen;
priv->cfg.baudrate = cfg->baudrate;
priv->cfg.databits = cfg->databits;
@@ -445,9 +445,9 @@ static void klsi_105_set_termios(struct tty_struct *tty,
struct ktermios *old_termios)
{
struct klsi_105_private *priv = usb_get_serial_port_data(port);
unsigned int iflag = tty->termios->c_iflag;
unsigned int iflag = tty->termios.c_iflag;
unsigned int old_iflag = old_termios->c_iflag;
unsigned int cflag = tty->termios->c_cflag;
unsigned int cflag = tty->termios.c_cflag;
unsigned int old_cflag = old_termios->c_cflag;
struct klsi_105_port_settings *cfg;
unsigned long flags;
@@ -560,7 +560,7 @@ static void klsi_105_set_termios(struct tty_struct *tty,
if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))
|| (cflag & CSTOPB) != (old_cflag & CSTOPB)) {
/* Not currently supported */
tty->termios->c_cflag &= ~(PARENB|PARODD|CSTOPB);
tty->termios.c_cflag &= ~(PARENB|PARODD|CSTOPB);
#if 0
priv->last_lcr = 0;
@@ -587,7 +587,7 @@ static void klsi_105_set_termios(struct tty_struct *tty,
|| (iflag & IXON) != (old_iflag & IXON)
|| (cflag & CRTSCTS) != (old_cflag & CRTSCTS)) {
/* Not currently supported */
tty->termios->c_cflag &= ~CRTSCTS;
tty->termios.c_cflag &= ~CRTSCTS;
/* Drop DTR/RTS if no flow control otherwise assert */
#if 0
if ((iflag & IXOFF) || (iflag & IXON) || (cflag & CRTSCTS))