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>

diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 8a23c53..12b0e67 100644 (file)
--- 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 c0a42e9..ddbb8fe 100644 (file)
--- 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 3dd3ff8..e9da41d 100644 (file)
--- 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);
 }