Merge tag 'tty-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here's the big tty/serial driver patchset for 3.18-rc1.

  Lots of little things in here, some good work from Peter Hurley on the
  tty core, and in lots of drivers.  There are also lots of other driver
  updates in here as well, full details in the changelogs.

  All have been in the linux-next tree for a while"

* tag 'tty-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (99 commits)
  Revert "serial/core: Initialize the console pm state"
  tty: serial: 8250: use 32bit variable for rpm_tx_active
  tty: serial: msm: Add earlycon support
  serial/core: Initialize the console pm state
  serial: asc: Conditionally use readl_relaxed (COMPILE_TEST)
  serial: of-serial: add PM suspend/resume support
  m68k: AMIGA_BUILTIN_SERIAL should depend on TTY
  asm/uapi: Add definition of TIOC[SG]RS485
  tty/metag_da: Add console_poll module parameter
  serial: 8250_pci: remove rts_n override from Baytrail quirk
  serial: cadence: Add generic earlycon support
  serial: imx: change the wait even to interruptiable
  serial: imx: terminate the RX DMA when the UART is suspending
  serial: imx: fix throttle/unthrottle callbacks for hardware assisted flow control
  serial: 8250: Add Quark X1000 to 8250_pci.c
  tty: omap-serial: pull out calculation from baud_is_mode16
  tty: omap-serial: fix division by zero
  xen_hvc: no reason to write the type key on xenstore
  tty: serial: 8250_core: remove UART_IER_RDI in serial8250_stop_rx()
  tty: serial: 8250_core: use the ->line argument as a hint in serial8250_find_match_or_unused()
  ...

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);
 }