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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>
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d01f4d181c
commit
d95e3caea2
3 changed files with 3 additions and 18 deletions
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@ -834,7 +834,6 @@ static void digi_set_termios(struct tty_struct *tty,
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arg |= DIGI_OUTPUT_FLOW_CONTROL_CTS;
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} else {
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arg &= ~DIGI_OUTPUT_FLOW_CONTROL_CTS;
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tty->hw_stopped = 0;
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}
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buf[i++] = DIGI_CMD_SET_OUTPUT_FLOW_CONTROL;
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@ -1500,15 +1499,11 @@ static int digi_read_oob_callback(struct urb *urb)
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if (val & DIGI_READ_INPUT_SIGNALS_CTS) {
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priv->dp_modem_signals |= TIOCM_CTS;
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/* port must be open to use tty struct */
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if (rts) {
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tty->hw_stopped = 0;
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if (rts)
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tty_port_tty_wakeup(&port->port);
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}
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} else {
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priv->dp_modem_signals &= ~TIOCM_CTS;
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/* port must be open to use tty struct */
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if (rts)
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tty->hw_stopped = 1;
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}
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if (val & DIGI_READ_INPUT_SIGNALS_DSR)
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priv->dp_modem_signals |= TIOCM_DSR;
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@ -1456,12 +1456,8 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
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tty = tty_port_tty_get(&edge_port->port->port);
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/* handle CTS flow control */
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if (tty && C_CRTSCTS(tty)) {
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if (msr & EDGEPORT_MSR_CTS) {
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tty->hw_stopped = 0;
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if (msr & EDGEPORT_MSR_CTS)
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tty_wakeup(tty);
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} else {
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tty->hw_stopped = 1;
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}
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}
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tty_kref_put(tty);
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}
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@ -2177,7 +2173,6 @@ static void change_port_settings(struct tty_struct *tty,
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dev_dbg(dev, "%s - RTS/CTS is enabled\n", __func__);
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} else {
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dev_dbg(dev, "%s - RTS/CTS is disabled\n", __func__);
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tty->hw_stopped = 0;
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restart_read(edge_port);
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}
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@ -773,7 +773,6 @@ static void ti_set_termios(struct tty_struct *tty,
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config->wFlags |= TI_UART_ENABLE_RTS_IN;
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config->wFlags |= TI_UART_ENABLE_CTS_OUT;
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} else {
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tty->hw_stopped = 0;
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ti_restart_read(tport, tty);
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}
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@ -1291,12 +1290,8 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr)
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/* handle CTS flow control */
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tty = tty_port_tty_get(&tport->tp_port->port);
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if (tty && C_CRTSCTS(tty)) {
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if (msr & TI_MSR_CTS) {
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tty->hw_stopped = 0;
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if (msr & TI_MSR_CTS)
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tty_wakeup(tty);
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} else {
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tty->hw_stopped = 1;
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}
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}
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tty_kref_put(tty);
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}
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