From: Alan Cox Date: Sat, 19 Sep 2009 20:13:31 +0000 (-0700) Subject: serial: move delta_msr_wait into the tty_port X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bdc04e3174e18f475289fa8f4144f66686326b7e;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git serial: move delta_msr_wait into the tty_port This is used by various drivers not just serial and can be extracted as commonality Signed-off-by: Alan Cox --- diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 70bd61b2a7d7..df5038bbcbc2 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 a5c59fc2b0ff..b19d43cd9542 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 30544ca5e956..37058ff7da7d 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 549bd0fa8bb6..c767e30a1425 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 e415c5eca599..2209620d2349 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 39032413d4a1..429a8ae86933 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 ef82a34baf0f..ef7adc8135dd 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 963e3c12af41..3551c5cb7094 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 f86c47e08a06..2d7feecaf492 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 1febeafcb97a..18130f11238e 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 de4ab1bfee8d..d8983dd5c4b2 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 2055d323f15f..2e02c3026d24 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 2e847deb41dc..ebff4a1d4bcc 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 ff18d50c99c1..b05c5aa02cb4 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 0dc786835dca..0700cd10b97c 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 2da747635275..0aa75a97531c 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 ad48919c0415..6443b7ff274a 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 61ef3ae24927..7f5e26873220 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 fa5f303b36d3..a2f2b3254499 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 9d42e57e1971..e16d15343dfd 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 4560b2e70685..2e71bbc04dac 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 057fc5e8cc8d..ea744707c4d6 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 7c4f2fe8e246..d1ad34128635 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 5a32365b58ad..68d262b15749 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 055034d12b1c..ef693ae22e7f 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 3d40be6f389f..34b31da01d09 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 cf4410e6d53b..3beb6ab4fa68 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 b9c9fb9198d6..1a7fd3e70315 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 bbebef7713b3..a5049eaf782d 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 940aeb51d53f..92b08cfe4a75 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 27767ea5fa29..bcafecd3b7c1 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 9fdc3d84baad..0daa8a72b176 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 */