usb: serial: Remove unused tty->hw_stopped

The tty core does not test tty->hw_stopped; remove from drivers
which don't test it themselves.

Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 3 insertions, 18 deletions

diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 8a23c53b946e..12b0e67473ba 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -834,7 +834,6 @@ static void digi_set_termios(struct tty_struct *tty,
                         arg |= DIGI_OUTPUT_FLOW_CONTROL_CTS;
                 } else {
                         arg &= ~DIGI_OUTPUT_FLOW_CONTROL_CTS;
-                        tty->hw_stopped = 0;
                 }
 
                 buf[i++] = DIGI_CMD_SET_OUTPUT_FLOW_CONTROL;
@@ -1500,15 +1499,11 @@ static int digi_read_oob_callback(struct urb *urb)
                         if (val & DIGI_READ_INPUT_SIGNALS_CTS) {
                                 priv->dp_modem_signals |= TIOCM_CTS;
                                 /* port must be open to use tty struct */
-                                if (rts) {
-                                        tty->hw_stopped = 0;
+                                if (rts)
                                         tty_port_tty_wakeup(&port->port);
-                                }
                         } else {
                                 priv->dp_modem_signals &= ~TIOCM_CTS;
                                 /* port must be open to use tty struct */
-                                if (rts)
-                                        tty->hw_stopped = 1;
                         }
                         if (val & DIGI_READ_INPUT_SIGNALS_DSR)
                                 priv->dp_modem_signals |= TIOCM_DSR;
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index c0a42e9e6777..ddbb8fe1046d 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1456,12 +1456,8 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
         tty = tty_port_tty_get(&edge_port->port->port);
         /* handle CTS flow control */
         if (tty && C_CRTSCTS(tty)) {
-                if (msr & EDGEPORT_MSR_CTS) {
-                        tty->hw_stopped = 0;
+                if (msr & EDGEPORT_MSR_CTS)
                         tty_wakeup(tty);
-                } else {
-                        tty->hw_stopped = 1;
-                }
         }
         tty_kref_put(tty);
 }
@@ -2177,7 +2173,6 @@ static void change_port_settings(struct tty_struct *tty,
                 dev_dbg(dev, "%s - RTS/CTS is enabled\n", __func__);
         } else {
                 dev_dbg(dev, "%s - RTS/CTS is disabled\n", __func__);
-                tty->hw_stopped = 0;
                 restart_read(edge_port);
         }
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 3dd3ff8c50d3..e9da41d9fe7f 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -773,7 +773,6 @@ static void ti_set_termios(struct tty_struct *tty,
                         config->wFlags |= TI_UART_ENABLE_RTS_IN;
                 config->wFlags |= TI_UART_ENABLE_CTS_OUT;
         } else {
-                tty->hw_stopped = 0;
                 ti_restart_read(tport, tty);
         }
 
@@ -1291,12 +1290,8 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr)
         /* handle CTS flow control */
         tty = tty_port_tty_get(&tport->tp_port->port);
         if (tty && C_CRTSCTS(tty)) {
-                if (msr & TI_MSR_CTS) {
-                        tty->hw_stopped = 0;
+                if (msr & TI_MSR_CTS)
                         tty_wakeup(tty);
-                } else {
-                        tty->hw_stopped = 1;
-                }
         }
         tty_kref_put(tty);
 }