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Subject[PATCH 53/79] serial: move delta_msr_wait into the tty_port
Date
From: Alan Cox <alan@linux.intel.com>

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

Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/char/cyclades.c | 9 ++++-----
drivers/char/esp.c | 7 +++----
drivers/char/mxser.c | 8 +++-----
drivers/char/tty_port.c | 2 ++
drivers/serial/8250.c | 2 +-
drivers/serial/amba-pl010.c | 2 +-
drivers/serial/amba-pl011.c | 2 +-
drivers/serial/atmel_serial.c | 2 +-
drivers/serial/icom.c | 2 +-
drivers/serial/imx.c | 4 ++--
drivers/serial/ioc3_serial.c | 8 ++++----
drivers/serial/ioc4_serial.c | 8 ++++----
drivers/serial/ip22zilog.c | 2 +-
drivers/serial/msm_serial.c | 2 +-
drivers/serial/pmac_zilog.c | 2 +-
drivers/serial/pnx8xxx_uart.c | 2 +-
drivers/serial/pxa.c | 2 +-
drivers/serial/sa1100.c | 2 +-
drivers/serial/sb1250-duart.c | 2 +-
drivers/serial/serial_core.c | 18 +++++++++++-------
drivers/serial/serial_ks8695.c | 2 +-
drivers/serial/serial_lh7a40x.c | 2 +-
drivers/serial/sunsab.c | 2 +-
drivers/serial/sunsu.c | 2 +-
drivers/serial/sunzilog.c | 2 +-
drivers/serial/timbuart.c | 2 +-
drivers/serial/vr41xx_siu.c | 2 +-
drivers/serial/zs.c | 2 +-
include/linux/cyclades.h | 1 -
include/linux/hayesesp.h | 1 -
include/linux/serial_core.h | 1 -
include/linux/tty.h | 1 +
32 files changed, 54 insertions(+), 54 deletions(-)

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 70bd61b..df5038b 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -729,7 +729,7 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
if (mdm_change & CyRI)
info->icount.rng++;

- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
}

if ((mdm_change & CyDCD) && (info->port.flags & ASYNC_CHECK_CD)) {
@@ -1197,7 +1197,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
break;
}
if (delta_count)
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
if (special_count)
tty_schedule_flip(tty);
tty_kref_put(tty);
@@ -1464,7 +1464,7 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
spin_lock_irqsave(&card->card_lock, flags);

/* Clear delta_msr_wait queue to avoid mem leaks. */
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);

if (info->port.xmit_buf) {
unsigned char *temp;
@@ -2788,7 +2788,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
/* note the counters on entry */
cnow = info->icount;
spin_unlock_irqrestore(&info->card->card_lock, flags);
- ret_val = wait_event_interruptible(info->delta_msr_wait,
+ ret_val = wait_event_interruptible(info->port.delta_msr_wait,
cy_cflags_changed(info, arg, &cnow));
break;

@@ -3153,7 +3153,6 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
info->port.close_delay = 5 * HZ / 10;
info->port.flags = STD_COM_FLAGS;
init_completion(&info->shutdown_wait);
- init_waitqueue_head(&info->delta_msr_wait);

if (cy_is_Z(cinfo)) {
struct FIRM_ID *firm_id = cinfo->base_addr + ID_ADDRESS;
diff --git a/drivers/char/esp.c b/drivers/char/esp.c
index a5c59fc..b19d43c 100644
--- a/drivers/char/esp.c
+++ b/drivers/char/esp.c
@@ -572,7 +572,7 @@ static void check_modem_status(struct esp_struct *info)
info->icount.dcd++;
if (status & UART_MSR_DCTS)
info->icount.cts++;
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
}

if ((info->port.flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
@@ -927,7 +927,7 @@ static void shutdown(struct esp_struct *info)
* clear delta_msr_wait queue to avoid mem leaks: we may free the irq
* here so the queue might never be waken up
*/
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
wake_up_interruptible(&info->break_wait);

/* stop a DMA transfer on the port being closed */
@@ -1800,7 +1800,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file *file,
spin_unlock_irqrestore(&info->lock, flags);
while (1) {
/* FIXME: convert to new style wakeup */
- interruptible_sleep_on(&info->delta_msr_wait);
+ interruptible_sleep_on(&info->port.delta_msr_wait);
/* see if a signal did it */
if (signal_pending(current))
return -ERESTARTSYS;
@@ -2452,7 +2452,6 @@ static int __init espserial_init(void)
info->config.flow_off = flow_off;
info->config.pio_threshold = pio_threshold;
info->next_port = ports;
- init_waitqueue_head(&info->delta_msr_wait);
init_waitqueue_head(&info->break_wait);
ports = info;
printk(KERN_INFO "ttyP%d at 0x%04x (irq = %d) is an ESP ",
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 30544ca..37058ff 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -258,7 +258,6 @@ struct mxser_port {
struct mxser_mon mon_data;

spinlock_t slock;
- wait_queue_head_t delta_msr_wait;
};

struct mxser_board {
@@ -818,7 +817,7 @@ static void mxser_check_modem_status(struct tty_struct *tty,
if (status & UART_MSR_DCTS)
port->icount.cts++;
port->mon_data.modem_status = status;
- wake_up_interruptible(&port->delta_msr_wait);
+ wake_up_interruptible(&port->port.delta_msr_wait);

if ((port->port.flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
if (status & UART_MSR_DCD)
@@ -973,7 +972,7 @@ static void mxser_shutdown(struct tty_struct *tty)
* clear delta_msr_wait queue to avoid mem leaks: we may free the irq
* here so the queue might never be waken up
*/
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);

/*
* Free the IRQ, if necessary
@@ -1762,7 +1761,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file,
cnow = info->icount; /* note the counters on entry */
spin_unlock_irqrestore(&info->slock, flags);

- return wait_event_interruptible(info->delta_msr_wait,
+ return wait_event_interruptible(info->port.delta_msr_wait,
mxser_cflags_changed(info, arg, &cnow));
/*
* Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
@@ -2414,7 +2413,6 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
info->port.close_delay = 5 * HZ / 10;
info->port.closing_wait = 30 * HZ;
info->normal_termios = mxvar_sdriver->init_termios;
- init_waitqueue_head(&info->delta_msr_wait);
memset(&info->mon_data, 0, sizeof(struct mxser_mon));
info->err_shadow = 0;
spin_lock_init(&info->slock);
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index 549bd0f..c767e30 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -23,6 +23,7 @@ void tty_port_init(struct tty_port *port)
memset(port, 0, sizeof(*port));
init_waitqueue_head(&port->open_wait);
init_waitqueue_head(&port->close_wait);
+ init_waitqueue_head(&port->delta_msr_wait);
mutex_init(&port->mutex);
spin_lock_init(&port->lock);
port->close_delay = (50 * HZ) / 100;
@@ -124,6 +125,7 @@ void tty_port_hangup(struct tty_port *port)
port->tty = NULL;
spin_unlock_irqrestore(&port->lock, flags);
wake_up_interruptible(&port->open_wait);
+ wake_up_interruptible(&port->delta_msr_wait);
tty_port_shutdown(port);
}
EXPORT_SYMBOL(tty_port_hangup);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index e415c5e..2209620 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -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;
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 3903241..429a8ae 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -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)
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index ef82a34..ef7adc8 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -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)
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 963e3c1..3551c5c 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -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;
}
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index f86c47e..2d7feec 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -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);
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 1febeaf..18130f1 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -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;
diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c
index de4ab1b..d8983dd 100644
--- a/drivers/serial/ioc3_serial.c
+++ b/drivers/serial/ioc3_serial.c
@@ -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);
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index 2055d32..2e02c30 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -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);
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 2e847de..ebff4a1 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -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;
diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c
index ff18d50..b05c5aa 100644
--- a/drivers/serial/msm_serial.c
+++ b/drivers/serial/msm_serial.c
@@ -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)
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 0dc7868..0700cd1 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -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)
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c
index 2da7476..0aa75a9 100644
--- a/drivers/serial/pnx8xxx_uart.c
+++ b/drivers/serial/pnx8xxx_uart.c
@@ -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);
}

/*
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index ad48919..6443b7f 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -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);
}

/*
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 61ef3ae..7f5e268 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -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);
}

/*
diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c
index fa5f303..a2f2b32 100644
--- a/drivers/serial/sb1250-duart.c
+++ b/drivers/serial/sb1250-duart.c
@@ -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)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 9d42e57..e16d153 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -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);
}
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
index 4560b2e..2e71bbc 100644
--- a/drivers/serial/serial_ks8695.c
+++ b/drivers/serial/serial_ks8695.c
@@ -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;
}
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index 057fc5e..ea74470 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -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)
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 7c4f2fe..d1ad341 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -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)
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 5a32365..68d262b 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -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)
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 055034d..ef693ae 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -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;
diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 3d40be6..34b31da 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -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;
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index cf4410e..3beb6ab 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -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)
diff --git a/drivers/serial/zs.c b/drivers/serial/zs.c
index b9c9fb9..1a7fd3e 100644
--- a/drivers/serial/zs.c
+++ b/drivers/serial/zs.c
@@ -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);
}
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index bbebef7..a5049ea 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -578,7 +578,6 @@ struct cyclades_port {
struct cyclades_idle_stats idle_stats;
struct cyclades_icount icount;
struct completion shutdown_wait;
- wait_queue_head_t delta_msr_wait;
int throttle;
};

diff --git a/include/linux/hayesesp.h b/include/linux/hayesesp.h
index 940aeb5..92b08cf 100644
--- a/include/linux/hayesesp.h
+++ b/include/linux/hayesesp.h
@@ -96,7 +96,6 @@ struct esp_struct {
int xmit_head;
int xmit_tail;
int xmit_cnt;
- wait_queue_head_t delta_msr_wait;
wait_queue_head_t break_wait;
struct async_icount icount; /* kernel counters for the 4 input interrupts */
struct hayes_esp_config config; /* port configuration */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 27767ea..bcafecd 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -349,7 +349,6 @@ struct uart_state {
struct circ_buf xmit;

struct tasklet_struct tlet;
- wait_queue_head_t delta_msr_wait;
struct uart_port *uart_port;
};

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 9fdc3d8..0daa8a7 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -203,6 +203,7 @@ struct tty_port {
int count; /* Usage count */
wait_queue_head_t open_wait; /* Open waiters */
wait_queue_head_t close_wait; /* Close waiters */
+ wait_queue_head_t delta_msr_wait; /* Modem status change */
unsigned long flags; /* TTY flags ASY_*/
struct mutex mutex; /* Locking */
unsigned char *xmit_buf; /* Optional buffer */
--
1.6.4.2


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