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tty: move the termios object into the tty

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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
父節點 6d31a88cb2
當前提交 adc8d746ca
共有 65 個文件被更改，包括 408 次插入 和 434 次删除
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12
drivers/usb/serial/spcp8x5.c
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@@ -316,10 +316,10 @@ static void spcp8x5_dtr_rts(struct usb_serial_port *port, int on)
static void spcp8x5_init_termios(struct tty_struct *tty)
{
/* for the 1st time call this function */
*(tty->termios) = tty_std_termios;
tty->termios->c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
tty->termios->c_ispeed = 115200;
tty->termios->c_ospeed = 115200;
tty->termios = tty_std_termios;
tty->termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
tty->termios.c_ispeed = 115200;
tty->termios.c_ospeed = 115200;
}
/* set the serial param for transfer. we should check if we really need to
@@ -330,7 +330,7 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
struct usb_serial *serial = port->serial;
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int cflag = tty->termios->c_cflag;
unsigned int cflag = tty->termios.c_cflag;
unsigned int old_cflag = old_termios->c_cflag;
unsigned short uartdata;
unsigned char buf[2] = {0, 0};
@@ -340,7 +340,7 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
/* check that they really want us to change something */
if (!tty_termios_hw_change(tty->termios, old_termios))
if (!tty_termios_hw_change(&tty->termios, old_termios))
return;
/* set DTR/RTS active */