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serial: move delta_msr_wait into the tty_port

Browse source 
This is used by various drivers not just serial and can be extracted
as commonality

Signed-off-by: Alan Cox <[email protected]>
This commit is contained in:
Alan Cox 2009-09-19 13:13:31 -07:00 • committed by Live-CD User
commit bdc04e3174
32 changed files with 54 additions and 54 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/serial/8250.c
View file

@ -1510,7 +1510,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
wake_up_interruptible(&up->port.state->delta_msr_wait);
wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
return status;

2
drivers/serial/amba-pl010.c
View file

@ -225,7 +225,7 @@ static void pl010_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
wake_up_interruptible(&uap->port.state->delta_msr_wait);
wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
static irqreturn_t pl010_int(int irq, void *dev_id)

2
drivers/serial/amba-pl011.c
View file

@ -226,7 +226,7 @@ static void pl011_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
wake_up_interruptible(&uap->port.state->delta_msr_wait);
wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
static irqreturn_t pl011_int(int irq, void *dev_id)

2
drivers/serial/atmel_serial.c
View file

@ -776,7 +776,7 @@ static void atmel_tasklet_func(unsigned long data)
if (status_change & ATMEL_US_CTS)
uart_handle_cts_change(port, !(status & ATMEL_US_CTS));
wake_up_interruptible(&port->state->delta_msr_wait);
wake_up_interruptible(&port->state->port.delta_msr_wait);
atmel_port->irq_status_prev = status;
}

2
drivers/serial/icom.c
View file

@ -695,7 +695,7 @@ static inline void check_modem_status(struct icom_port *icom_port)
delta_status & ICOM_CTS);
wake_up_interruptible(&icom_port->uart_port.state->
delta_msr_wait);
port.delta_msr_wait);
old_status = status;
}
spin_unlock(&icom_port->uart_port.lock);

4
drivers/serial/imx.c
View file

@ -224,7 +224,7 @@ static void imx_mctrl_check(struct imx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
wake_up_interruptible(&sport->port.state->delta_msr_wait);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*
@ -388,7 +388,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id)
writel(USR1_RTSD, sport->port.membase + USR1);
uart_handle_cts_change(&sport->port, !!val);
wake_up_interruptible(&sport->port.state->delta_msr_wait);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
spin_unlock_irqrestore(&sport->port.lock, flags);
return IRQ_HANDLED;

8
drivers/serial/ioc3_serial.c
View file

@ -1287,7 +1287,7 @@ static inline int do_read(struct uart_port *the_port, char *buf, int len)
(port->ip_port, 0);
wake_up_interruptible
(&the_port->state->
delta_msr_wait);
port.delta_msr_wait);
}
/* If we had any data to return, we
@ -1491,7 +1491,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_dcd_change(the_port,
shadow & SHADOW_DCD);
wake_up_interruptible
(&the_port->state->delta_msr_wait);
(&the_port->state->port.delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@ -1511,7 +1511,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_cts_change(the_port, shadow
& SHADOW_CTS);
wake_up_interruptible
(&the_port->state->delta_msr_wait);
(&the_port->state->port.delta_msr_wait);
}
}
@ -1728,7 +1728,7 @@ static void ic3_shutdown(struct uart_port *the_port)
return;
state = the_port->state;
wake_up_interruptible(&state->delta_msr_wait);
wake_up_interruptible(&state->port.delta_msr_wait);
spin_lock_irqsave(&the_port->lock, port_flags);
set_notification(port, N_ALL, 0);

8
drivers/serial/ioc4_serial.c
View file

@ -1882,7 +1882,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port = port->ip_port;
the_port->icount.dcd = 1;
wake_up_interruptible
(&the_port->state->delta_msr_wait);
(&the_port->state->port.delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & IOC4_SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@ -1904,7 +1904,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port->icount.cts =
(shadow & IOC4_SHADOW_CTS) ? 1 : 0;
wake_up_interruptible
(&the_port->state->delta_msr_wait);
(&the_port->state->port.delta_msr_wait);
}
}
@ -2237,7 +2237,7 @@ static inline int do_read(struct uart_port *the_port, unsigned char *buf,
the_port->icount.dcd = 0;
wake_up_interruptible
(&the_port->state->
delta_msr_wait);
port.delta_msr_wait);
}
/* If we had any data to return, we
@ -2439,7 +2439,7 @@ static void ic4_shutdown(struct uart_port *the_port)
state = the_port->state;
port->ip_port = NULL;
wake_up_interruptible(&state->delta_msr_wait);
wake_up_interruptible(&state->port.delta_msr_wait);
if (state->port.tty)
set_bit(TTY_IO_ERROR, &state->port.tty->flags);

2
drivers/serial/ip22zilog.c
View file

@ -354,7 +354,7 @@ static void ip22zilog_status_handle(struct uart_ip22zilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
wake_up_interruptible(&up->port.state->delta_msr_wait);
wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;

2
drivers/serial/msm_serial.c
View file

@ -169,7 +169,7 @@ static void handle_delta_cts(struct uart_port *port)
{
msm_write(port, UART_CR_CMD_RESET_CTS, UART_CR);
port->icount.cts++;
wake_up_interruptible(&port->state->delta_msr_wait);
wake_up_interruptible(&port->state->port.delta_msr_wait);
}
static irqreturn_t msm_irq(int irq, void *dev_id)

2
drivers/serial/pmac_zilog.c
View file

@ -369,7 +369,7 @@ static void pmz_status_handle(struct uart_pmac_port *uap)
uart_handle_cts_change(&uap->port,
!(status & CTS));
wake_up_interruptible(&uap->port.state->delta_msr_wait);
wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
if (status & BRK_ABRT)

2
drivers/serial/pnx8xxx_uart.c
View file

@ -100,7 +100,7 @@ static void pnx8xxx_mctrl_check(struct pnx8xxx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
wake_up_interruptible(&sport->port.state->delta_msr_wait);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*

2
drivers/serial/pxa.c
View file

@ -220,7 +220,7 @@ static inline void check_modem_status(struct uart_pxa_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
wake_up_interruptible(&up->port.state->delta_msr_wait);
wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
/*

2
drivers/serial/sa1100.c
View file

@ -117,7 +117,7 @@ static void sa1100_mctrl_check(struct sa1100_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
wake_up_interruptible(&sport->port.state->delta_msr_wait);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*

2
drivers/serial/sb1250-duart.c
View file

@ -440,7 +440,7 @@ static void sbd_status_handle(struct sbd_port *sport)
if (delta & ((M_DUART_IN_PIN2_VAL | M_DUART_IN_PIN0_VAL) <<
S_DUART_IN_PIN_CHNG))
wake_up_interruptible(&uport->state->delta_msr_wait);
wake_up_interruptible(&uport->state->port.delta_msr_wait);
}
static irqreturn_t sbd_interrupt(int irq, void *dev_id)

18
drivers/serial/serial_core.c
View file

@ -215,7 +215,8 @@ static int uart_startup(struct uart_state *state, int init_hw)
static void uart_shutdown(struct uart_state *state)
{
struct uart_port *uport = state->uart_port;
struct tty_struct *tty = state->port.tty;
struct tty_port *port = &state->port;
struct tty_struct *tty = port->tty;
/*
* Set the TTY IO error marker
@ -223,7 +224,7 @@ static void uart_shutdown(struct uart_state *state)
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
if (test_and_clear_bit(ASYNCB_INITIALIZED, &state->port.flags)) {
if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) {
/*
* Turn off DTR and RTS early.
*/
@ -237,7 +238,7 @@ static void uart_shutdown(struct uart_state *state)
* any outstanding file descriptors should be pointing at
* hung_up_tty_fops now.
*/
wake_up_interruptible(&state->delta_msr_wait);
wake_up_interruptible(&port->delta_msr_wait);
/*
* Free the IRQ and disable the port.
@ -1004,11 +1005,15 @@ static int uart_do_autoconfig(struct uart_state *state)
* - mask passed in arg for lines of interest
* (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
* Caller should use TIOCGICOUNT to see which one it was
*
* FIXME: This wants extracting into a common all driver implementation
* of TIOCMWAIT using tty_port.
*/
static int
uart_wait_modem_status(struct uart_state *state, unsigned long arg)
{
struct uart_port *uport = state->uart_port;
struct tty_port *port = &state->port;
DECLARE_WAITQUEUE(wait, current);
struct uart_icount cprev, cnow;
int ret;
@ -1025,7 +1030,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
uport->ops->enable_ms(uport);
spin_unlock_irq(&uport->lock);
add_wait_queue(&state->delta_msr_wait, &wait);
add_wait_queue(&port->delta_msr_wait, &wait);
for (;;) {
spin_lock_irq(&uport->lock);
memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));
@ -1053,7 +1058,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
}
current->state = TASK_RUNNING;
remove_wait_queue(&state->delta_msr_wait, &wait);
remove_wait_queue(&port->delta_msr_wait, &wait);
return ret;
}
@ -1430,7 +1435,7 @@ static void uart_hangup(struct tty_struct *tty)
clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
port->tty = NULL;
wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&state->delta_msr_wait);
wake_up_interruptible(&port->delta_msr_wait);
}
mutex_unlock(&port->mutex);
}
@ -2378,7 +2383,6 @@ int uart_register_driver(struct uart_driver *drv)
tty_port_init(port);
port->close_delay = 500; /* .5 seconds */
port->closing_wait = 30000; /* 30 seconds */
init_waitqueue_head(&state->delta_msr_wait);
tasklet_init(&state->tlet, uart_tasklet_action,
(unsigned long)state);
}

2
drivers/serial/serial_ks8695.c
View file

@ -266,7 +266,7 @@ static irqreturn_t ks8695uart_modem_status(int irq, void *dev_id)
if (status & URMS_URTERI)
port->icount.rng++;
wake_up_interruptible(&port->state->delta_msr_wait);
wake_up_interruptible(&port->state->port.delta_msr_wait);
return IRQ_HANDLED;
}

2
drivers/serial/serial_lh7a40x.c
View file

@ -241,7 +241,7 @@ static void lh7a40xuart_modem_status (struct uart_port* port)
if (delta & CTS)
uart_handle_cts_change (port, status & CTS);
wake_up_interruptible (&port->state->delta_msr_wait);
wake_up_interruptible (&port->state->port.delta_msr_wait);
}
static irqreturn_t lh7a40xuart_int (int irq, void* dev_id)

2
drivers/serial/sunsab.c
View file

@ -297,7 +297,7 @@ static void check_status(struct uart_sunsab_port *up,
up->port.icount.dsr++;
}
wake_up_interruptible(&up->port.state->delta_msr_wait);
wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
static irqreturn_t sunsab_interrupt(int irq, void *dev_id)

2
drivers/serial/sunsu.c
View file

@ -441,7 +441,7 @@ static void check_modem_status(struct uart_sunsu_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
wake_up_interruptible(&up->port.state->delta_msr_wait);
wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id)

2
drivers/serial/sunzilog.c
View file

@ -451,7 +451,7 @@ static void sunzilog_status_handle(struct uart_sunzilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
wake_up_interruptible(&up->port.state->delta_msr_wait);
wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;

2
drivers/serial/timbuart.c
View file

@ -231,7 +231,7 @@ static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)
iowrite32(CTS_DELTA, port->membase + TIMBUART_ISR);
cts = timbuart_get_mctrl(port);
uart_handle_cts_change(port, cts & TIOCM_CTS);
wake_up_interruptible(&port->state->delta_msr_wait);
wake_up_interruptible(&port->state->port.delta_msr_wait);
}
*ier |= CTS_DELTA;

2
drivers/serial/vr41xx_siu.c
View file

@ -386,7 +386,7 @@ static inline void check_modem_status(struct uart_port *port)
if (msr & UART_MSR_DCTS)
uart_handle_cts_change(port, msr & UART_MSR_CTS);
wake_up_interruptible(&port->state->delta_msr_wait);
wake_up_interruptible(&port->state->port.delta_msr_wait);
}
static inline void transmit_chars(struct uart_port *port)

2
drivers/serial/zs.c
View file

@ -686,7 +686,7 @@ static void zs_status_handle(struct zs_port *zport, struct zs_port *zport_a)
uport->icount.rng++;
if (delta)
wake_up_interruptible(&uport->state->delta_msr_wait);
wake_up_interruptible(&uport->state->port.delta_msr_wait);
spin_lock(&scc->zlock);
}