tty: move the termios object into the tty
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>
diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c
index 5a2cbfa..372c032 100644
--- a/drivers/mmc/card/sdio_uart.c
+++ b/drivers/mmc/card/sdio_uart.c
@@ -518,7 +518,7 @@
if (status & UART_MSR_DCTS) {
port->icount.cts++;
tty = tty_port_tty_get(&port->port);
- if (tty && (tty->termios->c_cflag & CRTSCTS)) {
+ if (tty && (tty->termios.c_cflag & CRTSCTS)) {
int cts = (status & UART_MSR_CTS);
if (tty->hw_stopped) {
if (cts) {
@@ -671,12 +671,12 @@
port->ier = UART_IER_RLSI|UART_IER_RDI|UART_IER_RTOIE|UART_IER_UUE;
port->mctrl = TIOCM_OUT2;
- sdio_uart_change_speed(port, tty->termios, NULL);
+ sdio_uart_change_speed(port, &tty->termios, NULL);
- if (tty->termios->c_cflag & CBAUD)
+ if (tty->termios.c_cflag & CBAUD)
sdio_uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
- if (tty->termios->c_cflag & CRTSCTS)
+ if (tty->termios.c_cflag & CRTSCTS)
if (!(sdio_uart_get_mctrl(port) & TIOCM_CTS))
tty->hw_stopped = 1;
@@ -850,7 +850,7 @@
{
struct sdio_uart_port *port = tty->driver_data;
- if (!I_IXOFF(tty) && !(tty->termios->c_cflag & CRTSCTS))
+ if (!I_IXOFF(tty) && !(tty->termios.c_cflag & CRTSCTS))
return;
if (sdio_uart_claim_func(port) != 0)
@@ -861,7 +861,7 @@
sdio_uart_start_tx(port);
}
- if (tty->termios->c_cflag & CRTSCTS)
+ if (tty->termios.c_cflag & CRTSCTS)
sdio_uart_clear_mctrl(port, TIOCM_RTS);
sdio_uart_irq(port->func);
@@ -872,7 +872,7 @@
{
struct sdio_uart_port *port = tty->driver_data;
- if (!I_IXOFF(tty) && !(tty->termios->c_cflag & CRTSCTS))
+ if (!I_IXOFF(tty) && !(tty->termios.c_cflag & CRTSCTS))
return;
if (sdio_uart_claim_func(port) != 0)
@@ -887,7 +887,7 @@
}
}
- if (tty->termios->c_cflag & CRTSCTS)
+ if (tty->termios.c_cflag & CRTSCTS)
sdio_uart_set_mctrl(port, TIOCM_RTS);
sdio_uart_irq(port->func);
@@ -898,12 +898,12 @@
struct ktermios *old_termios)
{
struct sdio_uart_port *port = tty->driver_data;
- unsigned int cflag = tty->termios->c_cflag;
+ unsigned int cflag = tty->termios.c_cflag;
if (sdio_uart_claim_func(port) != 0)
return;
- sdio_uart_change_speed(port, tty->termios, old_termios);
+ sdio_uart_change_speed(port, &tty->termios, old_termios);
/* Handle transition to B0 status */
if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD))