static void tx_timeout(struct timer_list *t);
-static int carrier_raised(struct tty_port *port);
+static bool carrier_raised(struct tty_port *port);
static void dtr_rts(struct tty_port *port, int onoff);
#if SYNCLINK_GENERIC_HDLC
tty_port_hangup(&info->port);
}
-static int carrier_raised(struct tty_port *port)
+static bool carrier_raised(struct tty_port *port)
{
MGSLPC_INFO *info = container_of(port, MGSLPC_INFO, port);
unsigned long flags;
get_signals(info);
spin_unlock_irqrestore(&info->lock, flags);
- if (info->serial_signals & SerialSignal_DCD)
- return 1;
- return 0;
+ return info->serial_signals & SerialSignal_DCD;
}
static void dtr_rts(struct tty_port *port, int onoff)
port->in_sdio_uart_irq = NULL;
}
-static int uart_carrier_raised(struct tty_port *tport)
+static bool uart_carrier_raised(struct tty_port *tport)
{
struct sdio_uart_port *port =
container_of(tport, struct sdio_uart_port, port);
return 1;
ret = sdio_uart_get_mctrl(port);
sdio_uart_release_func(port);
- if (ret & TIOCM_CAR)
- return 1;
- return 0;
+
+ return ret & TIOCM_CAR;
}
/**
.proc_show = rs_proc_show,
};
-static int amiga_carrier_raised(struct tty_port *port)
+static bool amiga_carrier_raised(struct tty_port *port)
{
return !(ciab.pra & SER_DCD);
}
static void moxa_poll(struct timer_list *);
static void moxa_set_tty_param(struct tty_struct *, const struct ktermios *);
static void moxa_shutdown(struct tty_port *);
-static int moxa_carrier_raised(struct tty_port *);
+static bool moxa_carrier_raised(struct tty_port *);
static void moxa_dtr_rts(struct tty_port *, int);
/*
* moxa board interface functions:
MoxaPortFlushData(ch, 2);
}
-static int moxa_carrier_raised(struct tty_port *port)
+static bool moxa_carrier_raised(struct tty_port *port)
{
struct moxa_port *ch = container_of(port, struct moxa_port, port);
int dcd;
outb(info->IER, info->ioaddr + UART_IER);
}
-static int mxser_carrier_raised(struct tty_port *port)
+static bool mxser_carrier_raised(struct tty_port *port)
{
struct mxser_port *mp = container_of(port, struct mxser_port, port);
- return (inb(mp->ioaddr + UART_MSR) & UART_MSR_DCD)?1:0;
+
+ return inb(mp->ioaddr + UART_MSR) & UART_MSR_DCD;
}
static void mxser_dtr_rts(struct tty_port *port, int on)
return -EPROTONOSUPPORT;
}
-static int gsm_carrier_raised(struct tty_port *port)
+static bool gsm_carrier_raised(struct tty_port *port)
{
struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port);
struct gsm_mux *gsm = dlci->gsm;
/* Not yet open so no carrier info */
if (dlci->state != DLCI_OPEN)
- return 0;
+ return false;
if (debug & DBG_CD_ON)
- return 1;
+ return true;
/*
* Basic mode with control channel in ADM mode may not respond
*/
if (gsm->encoding == GSM_BASIC_OPT &&
gsm->dlci[0]->mode == DLCI_MODE_ADM && !dlci->modem_rx)
- return 1;
+ return true;
return dlci->modem_rx & TIOCM_CD;
}
}
}
-static int uart_carrier_raised(struct tty_port *port)
+static bool uart_carrier_raised(struct tty_port *port)
{
struct uart_state *state = container_of(port, struct uart_state, port);
struct uart_port *uport;
* continue and not sleep
*/
if (WARN_ON(!uport))
- return 1;
+ return true;
spin_lock_irq(&uport->lock);
uart_enable_ms(uport);
mctrl = uport->ops->get_mctrl(uport);
spin_unlock_irq(&uport->lock);
uart_port_deref(uport);
- if (mctrl & TIOCM_CAR)
- return 1;
- return 0;
+
+ return mctrl & TIOCM_CAR;
}
static void uart_dtr_rts(struct tty_port *port, int raise)
return 0;
}
-static int carrier_raised(struct tty_port *port)
+static bool carrier_raised(struct tty_port *port)
{
unsigned long flags;
struct slgt_info *info = container_of(port, struct slgt_info, port);
spin_lock_irqsave(&info->lock,flags);
get_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
- return (info->signals & SerialSignal_DCD) ? 1 : 0;
+
+ return info->signals & SerialSignal_DCD;
}
static void dtr_rts(struct tty_port *port, int on)
int retval;
bool do_clocal = false;
unsigned long flags;
- int cd;
+ bool cd;
struct tty_port *port = &info->port;
DBGINFO(("%s block_til_ready\n", tty->driver->name));
* to hide some internal details. This will eventually become entirely
* internal to the tty port.
*/
-int tty_port_carrier_raised(struct tty_port *port)
+bool tty_port_carrier_raised(struct tty_port *port)
{
if (port->ops->carrier_raised == NULL)
- return 1;
+ return true;
return port->ops->carrier_raised(port);
}
EXPORT_SYMBOL(tty_port_carrier_raised);
return NULL;
}
-static int serial_port_carrier_raised(struct tty_port *port)
+static bool serial_port_carrier_raised(struct tty_port *port)
{
struct usb_serial_port *p = container_of(port, struct usb_serial_port, port);
struct usb_serial_driver *drv = p->serial->type;
if (drv->carrier_raised)
return drv->carrier_raised(p);
/* No carrier control - don't block */
- return 1;
+ return true;
}
static void serial_port_dtr_rts(struct tty_port *port, int on)
/**
* struct tty_port_operations -- operations on tty_port
- * @carrier_raised: return 1 if the carrier is raised on @port
+ * @carrier_raised: return true if the carrier is raised on @port
* @dtr_rts: raise the DTR line if @raise is nonzero, otherwise lower DTR
* @shutdown: called when the last close completes or a hangup finishes IFF the
* port was initialized. Do not use to free resources. Turn off the device
* the port itself.
*/
struct tty_port_operations {
- int (*carrier_raised)(struct tty_port *port);
+ bool (*carrier_raised)(struct tty_port *port);
void (*dtr_rts)(struct tty_port *port, int raise);
void (*shutdown)(struct tty_port *port);
int (*activate)(struct tty_port *port, struct tty_struct *tty);
struct tty_struct *tty_port_tty_get(struct tty_port *port);
void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty);
-int tty_port_carrier_raised(struct tty_port *port);
+bool tty_port_carrier_raised(struct tty_port *port);
void tty_port_raise_dtr_rts(struct tty_port *port);
void tty_port_lower_dtr_rts(struct tty_port *port);
void tty_port_hangup(struct tty_port *port);
}
/* we block the open until the dlc->state becomes BT_CONNECTED */
-static int rfcomm_dev_carrier_raised(struct tty_port *port)
+static bool rfcomm_dev_carrier_raised(struct tty_port *port)
{
struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);