diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-20 15:55:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-20 15:55:17 -0700 |
| commit | e11c675ede0d42a405ae595528bf0b29ce1ae56f (patch) | |
| tree | e0ec481e66e4a4b70289d78992b209639a582c0c /drivers/serial | |
| parent | 467f9957d9283be40101d7255d06fae7e211ff4c (diff) | |
| parent | 7bd032dc2793afcbaf4a350056768da84cdbd89b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (79 commits)
USB serial: update the console driver
usb-serial: straighten out serial_open
usb-serial: add missing tests and debug lines
usb-serial: rename subroutines
usb-serial: fix termios initialization logic
usb-serial: acquire references when a new tty is installed
usb-serial: change logic of serial lookups
usb-serial: put subroutines in logical order
usb-serial: change referencing of port and serial structures
tty: Char: mxser, use THRE for ASPP_OQUEUE ioctl
tty: Char: mxser, add support for CP112UL
uartlite: support shared interrupt lines
tty: USB: serial/mct_u232, fix tty refcnt
tty: riscom8, fix tty refcnt
tty: riscom8, fix shutdown declaration
TTY: fix typos
tty: Power: fix suspend vt regression
tty: vt: use printk_once
tty: handle VT specific compat ioctls in vt driver
n_tty: move echoctl check and clean up logic
...
Diffstat (limited to 'drivers/serial')
50 files changed, 731 insertions, 696 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c index cb6d85d7ff4..1e3d19397a5 100644 --- a/drivers/serial/21285.c +++ b/drivers/serial/21285.c @@ -86,7 +86,7 @@ static void serial21285_enable_ms(struct uart_port *port) static irqreturn_t serial21285_rx_chars(int irq, void *dev_id) { struct uart_port *port = dev_id; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; unsigned int status, ch, flag, rxs, max_count = 256; status = *CSR_UARTFLG; @@ -124,7 +124,7 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id) static irqreturn_t serial21285_tx_chars(int irq, void *dev_id) { struct uart_port *port = dev_id; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; int count = 256; if (port->x_char) { @@ -235,8 +235,8 @@ serial21285_set_termios(struct uart_port *port, struct ktermios *termios, baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); quot = uart_get_divisor(port, baud); - if (port->info && port->info->port.tty) { - struct tty_struct *tty = port->info->port.tty; + if (port->state && port->state->port.tty) { + struct tty_struct *tty = port->state->port.tty; unsigned int b = port->uartclk / (16 * quot); tty_encode_baud_rate(tty, b, b); } diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index fb867a9f55e..2209620d234 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -1382,7 +1382,7 @@ static void serial8250_enable_ms(struct uart_port *port) static void receive_chars(struct uart_8250_port *up, unsigned int *status) { - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; unsigned char ch, lsr = *status; int max_count = 256; char flag; @@ -1457,7 +1457,7 @@ ignore_char: static void transmit_chars(struct uart_8250_port *up) { - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; int count; if (up->port.x_char) { @@ -1500,7 +1500,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up) status |= up->msr_saved_flags; up->msr_saved_flags = 0; if (status & UART_MSR_ANY_DELTA && up->ier & UART_IER_MSI && - up->port.info != NULL) { + up->port.state != NULL) { if (status & UART_MSR_TERI) up->port.icount.rng++; if (status & UART_MSR_DDSR) @@ -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.info->delta_msr_wait); + wake_up_interruptible(&up->port.state->port.delta_msr_wait); } return status; @@ -1677,7 +1677,7 @@ static int serial_link_irq_chain(struct uart_8250_port *up) INIT_LIST_HEAD(&up->list); i->head = &up->list; spin_unlock_irq(&i->lock); - + irq_flags |= up->port.irqflags; ret = request_irq(up->port.irq, serial8250_interrupt, irq_flags, "serial", i); if (ret < 0) @@ -1764,7 +1764,7 @@ static void serial8250_backup_timeout(unsigned long data) up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; spin_unlock_irqrestore(&up->port.lock, flags); if ((iir & UART_IIR_NO_INT) && (up->ier & UART_IER_THRI) && - (!uart_circ_empty(&up->port.info->xmit) || up->port.x_char) && + (!uart_circ_empty(&up->port.state->xmit) || up->port.x_char) && (lsr & UART_LSR_THRE)) { iir &= ~(UART_IIR_ID | UART_IIR_NO_INT); iir |= UART_IIR_THRI; @@ -2026,7 +2026,7 @@ static int serial8250_startup(struct uart_port *port) * allow register changes to become visible. */ spin_lock_irqsave(&up->port.lock, flags); - if (up->port.flags & UPF_SHARE_IRQ) + if (up->port.irqflags & IRQF_SHARED) disable_irq_nosync(up->port.irq); wait_for_xmitr(up, UART_LSR_THRE); @@ -2039,7 +2039,7 @@ static int serial8250_startup(struct uart_port *port) iir = serial_in(up, UART_IIR); serial_out(up, UART_IER, 0); - if (up->port.flags & UPF_SHARE_IRQ) + if (up->port.irqflags & IRQF_SHARED) enable_irq(up->port.irq); spin_unlock_irqrestore(&up->port.lock, flags); @@ -2272,7 +2272,9 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios, /* * Ask the core to calculate the divisor for us. */ - baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); + baud = uart_get_baud_rate(port, termios, old, + port->uartclk / 16 / 0xffff, + port->uartclk / 16); quot = serial8250_get_divisor(port, baud); /* @@ -2671,6 +2673,7 @@ static void __init serial8250_isa_init_ports(void) i++, up++) { up->port.iobase = old_serial_port[i].port; up->port.irq = irq_canonicalize(old_serial_port[i].irq); + up->port.irqflags = old_serial_port[i].irqflags; up->port.uartclk = old_serial_port[i].baud_base * 16; up->port.flags = old_serial_port[i].flags; up->port.hub6 = old_serial_port[i].hub6; @@ -2679,7 +2682,7 @@ static void __init serial8250_isa_init_ports(void) up->port.regshift = old_serial_port[i].iomem_reg_shift; set_io_from_upio(&up->port); if (share_irqs) - up->port.flags |= UPF_SHARE_IRQ; + up->port.irqflags |= IRQF_SHARED; } } @@ -2869,6 +2872,7 @@ int __init early_serial_setup(struct uart_port *port) p->iobase = port->iobase; p->membase = port->membase; p->irq = port->irq; + p->irqflags = port->irqflags; p->uartclk = port->uartclk; p->fifosize = port->fifosize; p->regshift = port->regshift; @@ -2942,6 +2946,7 @@ static int __devinit serial8250_probe(struct platform_device *dev) port.iobase = p->iobase; port.membase = p->membase; port.irq = p->irq; + port.irqflags = p->irqflags; port.uartclk = p->uartclk; port.regshift = p->regshift; port.iotype = p->iotype; @@ -2954,7 +2959,7 @@ static int __devinit serial8250_probe(struct platform_device *dev) port.serial_out = p->serial_out; port.dev = &dev->dev; if (share_irqs) - port.flags |= UPF_SHARE_IRQ; + port.irqflags |= IRQF_SHARED; ret = serial8250_register_port(&port); if (ret < 0) { dev_err(&dev->dev, "unable to register port at index %d " @@ -3096,6 +3101,7 @@ int serial8250_register_port(struct uart_port *port) uart->port.iobase = port->iobase; uart->port.membase = port->membase; uart->port.irq = port->irq; + uart->port.irqflags = port->irqflags; uart->port.uartclk = port->uartclk; uart->port.fifosize = port->fifosize; uart->port.regshift = port->regshift; diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h index 520260326f3..6e19ea3e48d 100644 --- a/drivers/serial/8250.h +++ b/drivers/serial/8250.h @@ -25,6 +25,7 @@ struct old_serial_port { unsigned char io_type; unsigned char *iomem_base; unsigned short iomem_reg_shift; + unsigned long irqflags; }; /* diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 58a4879c7e4..429a8ae8693 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -117,7 +117,7 @@ static void pl010_enable_ms(struct uart_port *port) static void pl010_rx_chars(struct uart_amba_port *uap) { - struct tty_struct *tty = uap->port.info->port.tty; + struct tty_struct *tty = uap->port.state->port.tty; unsigned int status, ch, flag, rsr, max_count = 256; status = readb(uap->port.membase + UART01x_FR); @@ -172,7 +172,7 @@ static void pl010_rx_chars(struct uart_amba_port *uap) static void pl010_tx_chars(struct uart_amba_port *uap) { - struct circ_buf *xmit = &uap->port.info->xmit; + struct circ_buf *xmit = &uap->port.state->xmit; int count; if (uap->port.x_char) { @@ -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.info->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 72ba0c6d355..ef7adc8135d 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -124,7 +124,7 @@ static void pl011_enable_ms(struct uart_port *port) static void pl011_rx_chars(struct uart_amba_port *uap) { - struct tty_struct *tty = uap->port.info->port.tty; + struct tty_struct *tty = uap->port.state->port.tty; unsigned int status, ch, flag, max_count = 256; status = readw(uap->port.membase + UART01x_FR); @@ -175,7 +175,7 @@ static void pl011_rx_chars(struct uart_amba_port *uap) static void pl011_tx_chars(struct uart_amba_port *uap) { - struct circ_buf *xmit = &uap->port.info->xmit; + struct circ_buf *xmit = &uap->port.state->xmit; int count; if (uap->port.x_char) { @@ -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.info->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 607d43a3104..3551c5cb709 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -427,7 +427,7 @@ static void atmel_rx_chars(struct uart_port *port) */ static void atmel_tx_chars(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; if (port->x_char && UART_GET_CSR(port) & ATMEL_US_TXRDY) { UART_PUT_CHAR(port, port->x_char); @@ -560,7 +560,7 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id) static void atmel_tx_dma(struct uart_port *port) { struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx; int count; @@ -663,14 +663,14 @@ static void atmel_rx_from_ring(struct uart_port *port) * uart_start(), which takes the lock. */ spin_unlock(&port->lock); - tty_flip_buffer_push(port->info->port.tty); + tty_flip_buffer_push(port->state->port.tty); spin_lock(&port->lock); } static void atmel_rx_from_dma(struct uart_port *port) { struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; struct atmel_dma_buffer *pdc; int rx_idx = atmel_port->pdc_rx_idx; unsigned int head; @@ -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->info->delta_msr_wait); + wake_up_interruptible(&port->state->port.delta_msr_wait); atmel_port->irq_status_prev = status; } @@ -795,7 +795,7 @@ static void atmel_tasklet_func(unsigned long data) static int atmel_startup(struct uart_port *port) { struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; int retval; /* @@ -854,7 +854,7 @@ static int atmel_startup(struct uart_port *port) } if (atmel_use_dma_tx(port)) { struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; pdc->buf = xmit->buf; pdc->dma_addr = dma_map_single(port->dev, diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index b4a7650af69..50abb7e557f 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -42,6 +42,10 @@ # undef CONFIG_EARLY_PRINTK #endif +#ifdef CONFIG_SERIAL_BFIN_MODULE +# undef CONFIG_EARLY_PRINTK +#endif + /* UART name and device definitions */ #define BFIN_SERIAL_NAME "ttyBF" #define BFIN_SERIAL_MAJOR 204 @@ -140,7 +144,7 @@ static void bfin_serial_stop_tx(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; #ifdef CONFIG_SERIAL_BFIN_DMA - struct circ_buf *xmit = &uart->port.info->xmit; + struct circ_buf *xmit = &uart->port.state->xmit; #endif while (!(UART_GET_LSR(uart) & TEMT)) @@ -167,7 +171,7 @@ static void bfin_serial_stop_tx(struct uart_port *port) static void bfin_serial_start_tx(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; - struct tty_struct *tty = uart->port.info->port.tty; + struct tty_struct *tty = uart->port.state->port.tty; #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS if (uart->scts && !(bfin_serial_get_mctrl(&uart->port) & TIOCM_CTS)) { @@ -239,10 +243,10 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart) return; } - if (!uart->port.info || !uart->port.info->port.tty) + if (!uart->port.state || !uart->port.state->port.tty) return; #endif - tty = uart->port.info->port.tty; + tty = uart->port.state->port.tty; if (ANOMALY_05000363) { /* The BF533 (and BF561) family of processors have a nice anomaly @@ -327,7 +331,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart) static void bfin_serial_tx_chars(struct bfin_serial_port *uart) { - struct circ_buf *xmit = &uart->port.info->xmit; + struct circ_buf *xmit = &uart->port.state->xmit; if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) { #ifdef CONFIG_BF54x @@ -394,7 +398,7 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id) #ifdef CONFIG_SERIAL_BFIN_DMA static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) { - struct circ_buf *xmit = &uart->port.info->xmit; + struct circ_buf *xmit = &uart->port.state->xmit; uart->tx_done = 0; @@ -432,7 +436,7 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) { - struct tty_struct *tty = uart->port.info->port.tty; + struct tty_struct *tty = uart->port.state->port.tty; int i, flg, status; status = UART_GET_LSR(uart); @@ -525,7 +529,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) { struct bfin_serial_port *uart = dev_id; - struct circ_buf *xmit = &uart->port.info->xmit; + struct circ_buf *xmit = &uart->port.state->xmit; #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS if (uart->scts && !(bfin_serial_get_mctrl(&uart->port)&TIOCM_CTS)) { @@ -961,10 +965,10 @@ static void bfin_serial_set_ldisc(struct uart_port *port) int line = port->line; unsigned short val; - if (line >= port->info->port.tty->driver->num) + if (line >= port->state->port.tty->driver->num) return; - switch (port->info->port.tty->termios->c_line) { + switch (port->state->port.tty->termios->c_line) { case N_IRDA: val = UART_GET_GCTL(&bfin_serial_ports[line]); val |= (IREN | RPOLC); diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c index c108b1a0ce9..088bb35475f 100644 --- a/drivers/serial/bfin_sport_uart.c +++ b/drivers/serial/bfin_sport_uart.c @@ -178,7 +178,7 @@ static int sport_uart_setup(struct sport_uart_port *up, int sclk, int baud_rate) static irqreturn_t sport_uart_rx_irq(int irq, void *dev_id) { struct sport_uart_port *up = dev_id; - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; unsigned int ch; do { @@ -205,7 +205,7 @@ static irqreturn_t sport_uart_tx_irq(int irq, void *dev_id) static irqreturn_t sport_uart_err_irq(int irq, void *dev_id) { struct sport_uart_port *up = dev_id; - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; unsigned int stat = SPORT_GET_STAT(up); /* Overflow in RX FIFO */ @@ -290,7 +290,7 @@ fail1: static void sport_uart_tx_chars(struct sport_uart_port *up) { - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; if (SPORT_GET_STAT(up) & TXF) return; diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c index 80e76426131..b6acd19b458 100644 --- a/drivers/serial/clps711x.c +++ b/drivers/serial/clps711x.c @@ -93,7 +93,7 @@ static void clps711xuart_enable_ms(struct uart_port *port) static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id) { struct uart_port *port = dev_id; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; unsigned int status, ch, flg; status = clps_readl(SYSFLG(port)); @@ -147,7 +147,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id) static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id) { struct uart_port *port = dev_id; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; int count; if (port->x_char) { diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index f8df0681e16..8d349b23249 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -244,7 +244,7 @@ static void cpm_uart_int_rx(struct uart_port *port) int i; unsigned char ch; u8 *cp; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; cbd_t __iomem *bdp; u16 status; diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c index 6042b87797a..57421d77632 100644 --- a/drivers/serial/dz.c +++ b/drivers/serial/dz.c @@ -197,7 +197,7 @@ static inline void dz_receive_chars(struct dz_mux *mux) while ((status = dz_in(dport, DZ_RBUF)) & DZ_DVAL) { dport = &mux->dport[LINE(status)]; uport = &dport->port; - tty = uport->info->port.tty; /* point to the proper dev */ + tty = uport->state->port.tty; /* point to the proper dev */ ch = UCHAR(status); /* grab the char */ flag = TTY_NORMAL; @@ -249,7 +249,7 @@ static inline void dz_receive_chars(struct dz_mux *mux) } for (i = 0; i < DZ_NB_PORT; i++) if (lines_rx[i]) - tty_flip_buffer_push(mux->dport[i].port.info->port.tty); + tty_flip_buffer_push(mux->dport[i].port.state->port.tty); } /* @@ -268,7 +268,7 @@ static inline void dz_transmit_chars(struct dz_mux *mux) status = dz_in(dport, DZ_CSR); dport = &mux->dport[LINE(status)]; - xmit = &dport->port.info->xmit; + xmit = &dport->port.state->xmit; if (dport->port.x_char) { /* XON/XOFF chars */ dz_out(dport, DZ_TDR, dport->port.x_char); diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c index cd1b6a45bb8..2d7feecaf49 100644 --- a/drivers/serial/icom.c +++ b/drivers/serial/icom.c @@ -617,7 +617,7 @@ static void shutdown(struct icom_port *icom_port) * disable break condition */ cmdReg = readb(&icom_port->dram->CmdReg); - if ((cmdReg | CMD_SND_BREAK) == CMD_SND_BREAK) { + if (cmdReg & CMD_SND_BREAK) { writeb(cmdReg & ~CMD_SND_BREAK, &icom_port->dram->CmdReg); } } @@ -627,7 +627,7 @@ static int icom_write(struct uart_port *port) unsigned long data_count; unsigned char cmdReg; unsigned long offset; - int temp_tail = port->info->xmit.tail; + int temp_tail = port->state->xmit.tail; trace(ICOM_PORT, "WRITE", 0); @@ -638,11 +638,11 @@ static int icom_write(struct uart_port *port) } data_count = 0; - while ((port->info->xmit.head != temp_tail) && + while ((port->state->xmit.head != temp_tail) && (data_count <= XMIT_BUFF_SZ)) { ICOM_PORT->xmit_buf[data_count++] = - port->info->xmit.buf[temp_tail]; + port->state->xmit.buf[temp_tail]; temp_tail++; temp_tail &= (UART_XMIT_SIZE - 1); @@ -694,8 +694,8 @@ static inline void check_modem_status(struct icom_port *icom_port) uart_handle_cts_change(&icom_port->uart_port, delta_status & ICOM_CTS); - wake_up_interruptible(&icom_port->uart_port.info-> - delta_msr_wait); + wake_up_interruptible(&icom_port->uart_port.state-> + port.delta_msr_wait); old_status = status; } spin_unlock(&icom_port->uart_port.lock); @@ -718,10 +718,10 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port) icom_port->uart_port.icount.tx += count; for (i=0; i<count && - !uart_circ_empty(&icom_port->uart_port.info->xmit); i++) { + !uart_circ_empty(&icom_port->uart_port.state->xmit); i++) { - icom_port->uart_port.info->xmit.tail++; - icom_port->uart_port.info->xmit.tail &= + icom_port->uart_port.state->xmit.tail++; + icom_port->uart_port.state->xmit.tail &= (UART_XMIT_SIZE - 1); } @@ -735,7 +735,7 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port) static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port) { short int count, rcv_buff; - struct tty_struct *tty = icom_port->uart_port.info->port.tty; + struct tty_struct *tty = icom_port->uart_port.state->port.tty; unsigned short int status; struct uart_icount *icount; unsigned long offset; diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 7485afd0df4..18130f11238 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.info->delta_msr_wait); + wake_up_interruptible(&sport->port.state->port.delta_msr_wait); } /* @@ -236,7 +236,7 @@ static void imx_timeout(unsigned long data) struct imx_port *sport = (struct imx_port *)data; unsigned long flags; - if (sport->port.info) { + if (sport->port.state) { spin_lock_irqsave(&sport->port.lock, flags); imx_mctrl_check(sport); spin_unlock_irqrestore(&sport->port.lock, flags); @@ -323,7 +323,7 @@ static void imx_enable_ms(struct uart_port *port) static inline void imx_transmit_buffer(struct imx_port *sport) { - struct circ_buf *xmit = &sport->port.info->xmit; + struct circ_buf *xmit = &sport->port.state->xmit; while (!(readl(sport->port.membase + UTS) & UTS_TXFULL)) { /* send xmit->buf[xmit->tail] @@ -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.info->delta_msr_wait); + wake_up_interruptible(&sport->port.state->port.delta_msr_wait); spin_unlock_irqrestore(&sport->port.lock, flags); return IRQ_HANDLED; @@ -397,7 +397,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id) static irqreturn_t imx_txint(int irq, void *dev_id) { struct imx_port *sport = dev_id; - struct circ_buf *xmit = &sport->port.info->xmit; + struct circ_buf *xmit = &sport->port.state->xmit; unsigned long flags; spin_lock_irqsave(&sport->port.lock,flags); @@ -427,7 +427,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id) { struct imx_port *sport = dev_id; unsigned int rx,flg,ignored = 0; - struct tty_struct *tty = sport->port.info->port.tty; + struct tty_struct *tty = sport->port.state->port.tty; unsigned long flags, temp; spin_lock_irqsave(&sport->port.lock,flags); @@ -900,11 +900,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, rational_best_approximation(16 * div * baud, sport->port.uartclk, 1 << 16, 1 << 16, &num, &denom); - if (port->info && port->info->port.tty) { + if (port->state && port->state->port.tty) { tdiv64 = sport->port.uartclk; tdiv64 *= num; do_div(tdiv64, denom * 16 * div); - tty_encode_baud_rate(sport->port.info->port.tty, + tty_encode_baud_rate(sport->port.state->port.tty, (speed_t)tdiv64, (speed_t)tdiv64); } diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c index ae3699d77dd..d8983dd5c4b 100644 --- a/drivers/serial/ioc3_serial.c +++ b/drivers/serial/ioc3_serial.c @@ -897,25 +897,25 @@ static void transmit_chars(struct uart_port *the_port) char *start; struct tty_struct *tty; struct ioc3_port *port = get_ioc3_port(the_port); - struct uart_info *info; + struct uart_state *state; if (!the_port) return; if (!port) return; - info = the_port->info; - tty = info->port.tty; + state = the_port->state; + tty = state->port.tty; - if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) { + if (uart_circ_empty(&state->xmit) || uart_tx_stopped(the_port)) { /* Nothing to do or hw stopped */ set_notification(port, N_ALL_OUTPUT, 0); return; } - head = info->xmit.head; - tail = info->xmit.tail; - start = (char *)&info->xmit.buf[tail]; + head = state->xmit.head; + tail = state->xmit.tail; + start = (char *)&state->xmit.buf[tail]; /* write out all the data or until the end of the buffer */ xmit_count = (head < tail) ? (UART_XMIT_SIZE - tail) : (head - tail); @@ -928,14 +928,14 @@ static void transmit_chars(struct uart_port *the_port) /* advance the pointers */ tail += result; tail &= UART_XMIT_SIZE - 1; - info->xmit.tail = tail; - start = (char *)&info->xmit.buf[tail]; + state->xmit.tail = tail; + start = (char *)&state->xmit.buf[tail]; } } - if (uart_circ_chars_pending(&info->xmit) < WAKEUP_CHARS) + if (uart_circ_chars_pending(&state->xmit) < WAKEUP_CHARS) uart_write_wakeup(the_port); - if (uart_circ_empty(&info->xmit)) { + if (uart_circ_empty(&state->xmit)) { set_notification(port, N_OUTPUT_LOWAT, 0); } else { set_notification(port, N_OUTPUT_LOWAT, 1); @@ -956,7 +956,7 @@ ioc3_change_speed(struct uart_port *the_port, unsigned int cflag; int baud; int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8; - struct uart_info *info = the_port->info; + struct uart_state *state = the_port->state; cflag = new_termios->c_cflag; @@ -997,14 +997,14 @@ ioc3_change_speed(struct uart_port *the_port, the_port->ignore_status_mask = N_ALL_INPUT; - info->port.tty->low_latency = 1; + state->port.tty->low_latency = 1; - if (I_IGNPAR(info->port.tty)) + if (I_IGNPAR(state->port.tty)) the_port->ignore_status_mask &= ~(N_PARITY_ERROR | N_FRAMING_ERROR); - if (I_IGNBRK(info->port.tty)) { + if (I_IGNBRK(state->port.tty)) { the_port->ignore_status_mask &= ~N_BREAK; - if (I_IGNPAR(info->port.tty)) + if (I_IGNPAR(state->port.tty)) the_port->ignore_status_mask &= ~N_OVERRUN_ERROR; } if (!(cflag & CREAD)) { @@ -1286,8 +1286,8 @@ static inline int do_read(struct uart_port *the_port, char *buf, int len) uart_handle_dcd_change (port->ip_port, 0); wake_up_interruptible - (&the_port->info-> - delta_msr_wait); + (&the_port->state-> + port.delta_msr_wait); } /* If we had any data to return, we @@ -1392,21 +1392,21 @@ static int receive_chars(struct uart_port *the_port) struct tty_struct *tty; unsigned char ch[MAX_CHARS]; int read_count = 0, read_room, flip = 0; - struct uart_info *info = the_port->info; + struct uart_state *state = the_port->state; struct ioc3_port *port = get_ioc3_port(the_port); unsigned long pflags; /* Make sure all the pointers are "good" ones */ - if (!info) + if (!state) return 0; - if (!info->port.tty) + if (!state->port.tty) return 0; if (!(port->ip_flags & INPUT_ENABLE)) return 0; spin_lock_irqsave(&the_port->lock, pflags); - tty = info->port.tty; + tty = state->port.tty; read_count = do_read(the_port, ch, MAX_CHARS); if (read_count > 0) { @@ -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->info->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->info->delta_msr_wait); + (&the_port->state->port.delta_msr_wait); } } @@ -1721,14 +1721,14 @@ static void ic3_shutdown(struct uart_port *the_port) { unsigned long port_flags; struct ioc3_port *port; - struct uart_info *info; + struct uart_state *state; port = get_ioc3_port(the_port); if (!port) return; - info = the_port->info; - wake_up_interruptible(&info->delta_msr_wait); + state = the_port->state; + 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 e5c58fe7e74..2e02c3026d2 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -1627,25 +1627,25 @@ static void transmit_chars(struct uart_port *the_port) char *start; struct tty_struct *tty; struct ioc4_port *port = get_ioc4_port(the_port, 0); - struct uart_info *info; + struct uart_state *state; if (!the_port) return; if (!port) return; - info = the_port->info; - tty = info->port.tty; + state = the_port->state; + tty = state->port.tty; - if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) { + if (uart_circ_empty(&state->xmit) || uart_tx_stopped(the_port)) { /* Nothing to do or hw stopped */ set_notification(port, N_ALL_OUTPUT, 0); return; } - head = info->xmit.head; - tail = info->xmit.tail; - start = (char *)&info->xmit.buf[tail]; + head = state->xmit.head; + tail = state->xmit.tail; + start = (char *)&state->xmit.buf[tail]; /* write out all the data or until the end of the buffer */ xmit_count = (head < tail) ? (UART_XMIT_SIZE - tail) : (head - tail); @@ -1658,14 +1658,14 @@ static void transmit_chars(struct uart_port *the_port) /* advance the pointers */ tail += result; tail &= UART_XMIT_SIZE - 1; - info->xmit.tail = tail; - start = (char *)&info->xmit.buf[tail]; + state->xmit.tail = tail; + start = (char *)&state->xmit.buf[tail]; } } - if (uart_circ_chars_pending(&info->xmit) < WAKEUP_CHARS) + if (uart_circ_chars_pending(&state->xmit) < WAKEUP_CHARS) uart_write_wakeup(the_port); - if (uart_circ_empty(&info->xmit)) { + if (uart_circ_empty(&state->xmit)) { set_notification(port, N_OUTPUT_LOWAT, 0); } else { set_notification(port, N_OUTPUT_LOWAT, 1); @@ -1686,7 +1686,7 @@ ioc4_change_speed(struct uart_port *the_port, int baud, bits; unsigned cflag; int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8; - struct uart_info *info = the_port->info; + struct uart_state *state = the_port->state; cflag = new_termios->c_cflag; @@ -1738,14 +1738,14 @@ ioc4_change_speed(struct uart_port *the_port, the_port->ignore_status_mask = N_ALL_INPUT; - info->port.tty->low_latency = 1; + state->port.tty->low_latency = 1; - if (I_IGNPAR(info->port.tty)) + if (I_IGNPAR(state->port.tty)) the_port->ignore_status_mask &= ~(N_PARITY_ERROR | N_FRAMING_ERROR); - if (I_IGNBRK(info->port.tty)) { + if (I_IGNBRK(state->port.tty)) { the_port->ignore_status_mask &= ~N_BREAK; - if (I_IGNPAR(info->port.tty)) + if (I_IGNPAR(state->port.tty)) the_port->ignore_status_mask &= ~N_OVERRUN_ERROR; } if (!(cflag & CREAD)) { @@ -1784,7 +1784,7 @@ ioc4_change_speed(struct uart_port *the_port, static inline int ic4_startup_local(struct uart_port *the_port) { struct ioc4_port *port; - struct uart_info *info; + struct uart_state *state; if (!the_port) return -1; @@ -1793,7 +1793,7 @@ static inline int ic4_startup_local(struct uart_port *the_port) if (!port) return -1; - info = the_port->info; + state = the_port->state; local_open(port); @@ -1801,7 +1801,7 @@ static inline int ic4_startup_local(struct uart_port *the_port) ioc4_set_proto(port, the_port->mapbase); /* set the speed of the serial port */ - ioc4_change_speed(the_port, info->port.tty->termios, + ioc4_change_speed(the_port, state->port.tty->termios, (struct ktermios *)0); return 0; @@ -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-> info->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->info->delta_msr_wait); + (&the_port->state->port.delta_msr_wait); } } @@ -2236,8 +2236,8 @@ static inline int do_read(struct uart_port *the_port, unsigned char *buf, && port->ip_port) { the_port->icount.dcd = 0; wake_up_interruptible - (&the_port->info-> - delta_msr_wait); + (&the_port->state-> + port.delta_msr_wait); } /* If we had any data to return, we @@ -2341,17 +2341,17 @@ static void receive_chars(struct uart_port *the_port) unsigned char ch[IOC4_MAX_CHARS]; int read_count, request_count = IOC4_MAX_CHARS; struct uart_icount *icount; - struct uart_info *info = the_port->info; + struct uart_state *state = the_port->state; unsigned long pflags; /* Make sure all the pointers are "good" ones */ - if (!info) + if (!state) return; - if (!info->port.tty) + if (!state->port.tty) return; spin_lock_irqsave(&the_port->lock, pflags); - tty = info->port.tty; + tty = state->port.tty; request_count = tty_buffer_request_room(tty, IOC4_MAX_CHARS); @@ -2430,19 +2430,19 @@ static void ic4_shutdown(struct uart_port *the_port) { unsigned long port_flags; struct ioc4_port *port; - struct uart_info *info; + struct uart_state *state; port = get_ioc4_port(the_port, 0); if (!port) return; - info = the_port->info; + state = the_port->state; port->ip_port = NULL; - wake_up_interruptible(&info->delta_msr_wait); + wake_up_interruptible(&state->port.delta_msr_wait); - if (info->port.tty) - set_bit(TTY_IO_ERROR, &info->port.tty->flags); + if (state->port.tty) + set_bit(TTY_IO_ERROR, &state->port.tty->flags); spin_lock_irqsave(&the_port->lock, port_flags); set_notification(port, N_ALL, 0); @@ -2538,7 +2538,7 @@ static int ic4_startup(struct uart_port *the_port) int retval; struct ioc4_port *port; struct ioc4_control *control; - struct uart_info *info; + struct uart_state *state; unsigned long port_flags; if (!the_port) @@ -2546,7 +2546,7 @@ static int ic4_startup(struct uart_port *the_port) port = get_ioc4_port(the_port, 1); if (!port) return -ENODEV; - info = the_port->info; + state = the_port->state; control = port->ip_control; if (!control) { diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c index 0d9acbd0bb7..ebff4a1d4bc 100644 --- a/drivers/serial/ip22zilog.c +++ b/drivers/serial/ip22zilog.c @@ -256,9 +256,9 @@ static struct tty_struct *ip22zilog_receive_chars(struct uart_ip22zilog_port *up unsigned int r1; tty = NULL; - if (up->port.info != NULL && - up->port.info->port.tty != NULL) - tty = up->port.info->port.tty; + if (up->port.state != NULL && + up->port.state->port.tty != NULL) + tty = up->port.state->port.tty; for (;;) { ch = readb(&channel->control); @@ -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.info->delta_msr_wait); + wake_up_interruptible(&up->port.state->port.delta_msr_wait); } up->prev_status = status; @@ -404,9 +404,9 @@ static void ip22zilog_transmit_chars(struct uart_ip22zilog_port *up, return; } - if (up->port.info == NULL) + if (up->port.state == NULL) goto ack_tx_int; - xmit = &up->port.info->xmit; + xmit = &up->port.state->xmit; if (uart_circ_empty(xmit)) goto ack_tx_int; if (uart_tx_stopped(&up->port)) @@ -607,7 +607,7 @@ static void ip22zilog_start_tx(struct uart_port *port) port->icount.tx++; port->x_char = 0; } else { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; writeb(xmit->buf[xmit->tail], &channel->data); ZSDELAY(); diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c index 9dadaa11d26..b4b124e4828 100644 --- a/drivers/serial/jsm/jsm_neo.c +++ b/drivers/serial/jsm/jsm_neo.c @@ -989,7 +989,7 @@ static void neo_param(struct jsm_channel *ch) { 50, B50 }, }; - cflag = C_BAUD(ch->uart_port.info->port.tty); + cflag = C_BAUD(ch->uart_port.state->port.tty); baud = 9600; for (i = 0; i < ARRAY_SIZE(baud_rates); i++) { if (baud_rates[i].cflag == cflag) { diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c index 00f4577d2f7..7439c037362 100644 --- a/drivers/serial/jsm/jsm_tty.c +++ b/drivers/serial/jsm/jsm_tty.c @@ -147,7 +147,7 @@ static void jsm_tty_send_xchar(struct uart_port *port, char ch) struct ktermios *termios; spin_lock_irqsave(&port->lock, lock_flags); - termios = port->info->port.tty->termios; + termios = port->state->port.tty->termios; if (ch == termios->c_cc[VSTART]) channel->ch_bd->bd_ops->send_start_character(channel); @@ -245,7 +245,7 @@ static int jsm_tty_open(struct uart_port *port) channel->ch_cached_lsr = 0; channel->ch_stops_sent = 0; - termios = port->info->port.tty->termios; + termios = port->state->port.tty->termios; channel->ch_c_cflag = termios->c_cflag; channel->ch_c_iflag = termios->c_iflag; channel->ch_c_oflag = termios->c_oflag; @@ -278,7 +278,7 @@ static void jsm_tty_close(struct uart_port *port) jsm_printk(CLOSE, INFO, &channel->ch_bd->pci_dev, "start\n"); bd = channel->ch_bd; - ts = port->info->port.tty->termios; + ts = port->state->port.tty->termios; channel->ch_flags &= ~(CH_STOPI); @@ -530,7 +530,7 @@ void jsm_input(struct jsm_channel *ch) if (!ch) return; - tp = ch->uart_port.info->port.tty; + tp = ch->uart_port.state->port.tty; bd = ch->ch_bd; if(!bd) @@ -849,7 +849,7 @@ int jsm_tty_write(struct uart_port *port) u16 tail; u16 tmask; u32 remain; - int temp_tail = port->info->xmit.tail; + int temp_tail = port->state->xmit.tail; struct jsm_channel *channel = (struct jsm_channel *)port; tmask = WQUEUEMASK; @@ -865,10 +865,10 @@ int jsm_tty_write(struct uart_port *port) data_count = 0; if (bufcount >= remain) { bufcount -= remain; - while ((port->info->xmit.head != temp_tail) && + while ((port->state->xmit.head != temp_tail) && (data_count < remain)) { channel->ch_wqueue[head++] = - port->info->xmit.buf[temp_tail]; + port->state->xmit.buf[temp_tail]; temp_tail++; temp_tail &= (UART_XMIT_SIZE - 1); @@ -880,10 +880,10 @@ int jsm_tty_write(struct uart_port *port) data_count1 = 0; if (bufcount > 0) { remain = bufcount; - while ((port->info->xmit.head != temp_tail) && + while ((port->state->xmit.head != temp_tail) && (data_count1 < remain)) { channel->ch_wqueue[head++] = - port->info->xmit.buf[temp_tail]; + port->state->xmit.buf[temp_tail]; temp_tail++; temp_tail &= (UART_XMIT_SIZE - 1); @@ -892,7 +892,7 @@ int jsm_tty_write(struct uart_port *port) } } - port->info->xmit.tail = temp_tail; + port->state->xmit.tail = temp_tail; data_count += data_count1; if (data_count) { diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c index 611c97a1565..bea5c215460 100644 --- a/drivers/serial/m32r_sio.c +++ b/drivers/serial/m32r_sio.c @@ -286,7 +286,7 @@ static void m32r_sio_start_tx(struct uart_port *port) { #ifdef CONFIG_SERIAL_M32R_PLDSIO struct uart_sio_port *up = (struct uart_sio_port *)port; - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; if (!(up->ier & UART_IER_THRI)) { up->ier |= UART_IER_THRI; @@ -325,7 +325,7 @@ static void m32r_sio_enable_ms(struct uart_port *port) static void receive_chars(struct uart_sio_port *up, int *status) { - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; unsigned char ch; unsigned char flag; int max_count = 256; @@ -398,7 +398,7 @@ static void receive_chars(struct uart_sio_port *up, int *status) static void transmit_chars(struct uart_sio_port *up) { - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; int count; if (up->port.x_char) { diff --git a/drivers/serial/max3100.c b/drivers/serial/max3100.c index 9fd33e5622b..75ab00631c4 100644 --- a/drivers/serial/max3100.c +++ b/drivers/serial/max3100.c @@ -184,7 +184,7 @@ static void max3100_timeout(unsigned long data) { struct max3100_port *s = (struct max3100_port *)data; - if (s->port.info) { + if (s->port.state) { max3100_dowork(s); mod_timer(&s->timer, jiffies + s->poll_time); } @@ -261,7 +261,7 @@ static void max3100_work(struct work_struct *w) int rxchars; u16 tx, rx; int conf, cconf, rts, crts; - struct circ_buf *xmit = &s->port.info->xmit; + struct circ_buf *xmit = &s->port.state->xmit; dev_dbg(&s->spi->dev, "%s\n", __func__); @@ -307,8 +307,8 @@ static void max3100_work(struct work_struct *w) } } - if (rxchars > 16 && s->port.info->port.tty != NULL) { - tty_flip_buffer_push(s->port.info->port.tty); + if (rxchars > 16 && s->port.state->port.tty != NULL) { + tty_flip_buffer_push(s->port.state->port.tty); rxchars = 0; } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) @@ -320,8 +320,8 @@ static void max3100_work(struct work_struct *w) (!uart_circ_empty(xmit) && !uart_tx_stopped(&s->port)))); - if (rxchars > 0 && s->port.info->port.tty != NULL) - tty_flip_buffer_push(s->port.info->port.tty); + if (rxchars > 0 && s->port.state->port.tty != NULL) + tty_flip_buffer_push(s->port.state->port.tty); } static irqreturn_t max3100_irq(int irqno, void *dev_id) @@ -429,7 +429,7 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios, int baud = 0; unsigned cflag; u32 param_new, param_mask, parity = 0; - struct tty_struct *tty = s->port.info->port.tty; + struct tty_struct *tty = s->port.state->port.tty; dev_dbg(&s->spi->dev, "%s\n", __func__); if (!tty) @@ -529,7 +529,7 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios, MAX3100_STATUS_OE; /* we are sending char from a workqueue so enable */ - s->port.info->port.tty->low_latency = 1; + s->port.state->port.tty->low_latency = 1; if (s->poll_time > 0) del_timer_sync(&s->timer); diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c index 0eefb07beba..b44382442bf 100644 --- a/drivers/serial/mcf.c +++ b/drivers/serial/mcf.c @@ -323,7 +323,7 @@ static void mcf_rx_chars(struct mcf_uart *pp) uart_insert_char(port, status, MCFUART_USR_RXOVERRUN, ch, flag); } - tty_flip_buffer_push(port->info->port.tty); + tty_flip_buffer_push(port->state->port.tty); } /****************************************************************************/ @@ -331,7 +331,7 @@ static void mcf_rx_chars(struct mcf_uart *pp) static void mcf_tx_chars(struct mcf_uart *pp) { struct uart_port *port = &pp->port; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; if (port->x_char) { /* Send special char - probably flow control */ diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index abbd146c50d..d7bcd074d38 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -745,7 +745,7 @@ static struct uart_ops mpc52xx_uart_ops = { static inline int mpc52xx_uart_int_rx_chars(struct uart_port *port) { - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; unsigned char ch, flag; unsigned short status; @@ -812,7 +812,7 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port) static inline int mpc52xx_uart_int_tx_chars(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; /* Process out of band chars */ if (port->x_char) { diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index 61d3ade5286..b5496c28e60 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -936,7 +936,7 @@ static int serial_polled; static int mpsc_rx_intr(struct mpsc_port_info *pi) { struct mpsc_rx_desc *rxre; - struct tty_struct *tty = pi->port.info->port.tty; + struct tty_struct *tty = pi->port.state->port.tty; u32 cmdstat, bytes_in, i; int rc = 0; u8 *bp; @@ -1109,7 +1109,7 @@ static void mpsc_setup_tx_desc(struct mpsc_port_info *pi, u32 count, u32 intr) static void mpsc_copy_tx_data(struct mpsc_port_info *pi) { - struct circ_buf *xmit = &pi->port.info->xmit; + struct circ_buf *xmit = &pi->port.state->xmit; u8 *bp; u32 i; diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c index f7c24baa141..b05c5aa02cb 100644 --- a/drivers/serial/msm_serial.c +++ b/drivers/serial/msm_serial.c @@ -88,7 +88,7 @@ static void msm_enable_ms(struct uart_port *port) static void handle_rx(struct uart_port *port) { - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; unsigned int sr; /* @@ -136,7 +136,7 @@ static void handle_rx(struct uart_port *port) static void handle_tx(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; struct msm_port *msm_port = UART_TO_MSM(port); int sent_tx; @@ -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->info->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/mux.c b/drivers/serial/mux.c index 953a5ffa9b4..7571aaa138b 100644 --- a/drivers/serial/mux.c +++ b/drivers/serial/mux.c @@ -199,7 +199,7 @@ static void mux_break_ctl(struct uart_port *port, int break_state) static void mux_write(struct uart_port *port) { int count; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; if(port->x_char) { UART_PUT_CHAR(port, port->x_char); @@ -243,7 +243,7 @@ static void mux_write(struct uart_port *port) static void mux_read(struct uart_port *port) { int data; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; __u32 start_count = port->icount.rx; while(1) { diff --git a/drivers/serial/netx-serial.c b/drivers/serial/netx-serial.c index 3e5dda8518b..7735c9f35fa 100644 --- a/drivers/serial/netx-serial.c +++ b/drivers/serial/netx-serial.c @@ -140,7 +140,7 @@ static void netx_enable_ms(struct uart_port *port) static inline void netx_transmit_buffer(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; if (port->x_char) { writel(port->x_char, port->membase + UART_DR); @@ -185,7 +185,7 @@ static unsigned int netx_tx_empty(struct uart_port *port) static void netx_txint(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; if (uart_circ_empty(xmit) || uart_tx_stopped(port)) { netx_stop_tx(port); @@ -201,7 +201,7 @@ static void netx_txint(struct uart_port *port) static void netx_rxint(struct uart_port *port) { unsigned char rx, flg, status; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; while (!(readl(port->membase + UART_FR) & FR_RXFE)) { rx = readl(port->membase + UART_DR); diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c index 9e150b19d72..e1ab8ec0a4a 100644 --- a/drivers/serial/nwpserial.c +++ b/drivers/serial/nwpserial.c @@ -126,7 +126,7 @@ static void nwpserial_config_port(struct uart_port *port, int flags) static irqreturn_t nwpserial_interrupt(int irq, void *dev_id) { struct nwpserial_port *up = dev_id; - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; irqreturn_t ret; unsigned int iir; unsigned char ch; @@ -261,7 +261,7 @@ static void nwpserial_start_tx(struct uart_port *port) struct nwpserial_port *up; struct circ_buf *xmit; up = container_of(port, struct nwpserial_port, port); - xmit = &up->port.info->xmit; + xmit = &up->port.state->xmit; if (port->x_char) { nwpserial_putchar(up, up->port.x_char); diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c index 9c1243fbd51..0700cd10b97 100644 --- a/drivers/serial/pmac_zilog.c +++ b/drivers/serial/pmac_zilog.c @@ -242,12 +242,12 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap) } /* Sanity check, make sure the old bug is no longer happening */ - if (uap->port.info == NULL || uap->port.info->port.tty == NULL) { + if (uap->port.state == NULL || uap->port.state->port.tty == NULL) { WARN_ON(1); (void)read_zsdata(uap); return NULL; } - tty = uap->port.info->port.tty; + tty = uap->port.state->port.tty; while (1) { error = 0; @@ -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.info->delta_msr_wait); + wake_up_interruptible(&uap->port.state->port.delta_msr_wait); } if (status & BRK_ABRT) @@ -420,9 +420,9 @@ static void pmz_transmit_chars(struct uart_pmac_port *uap) return; } - if (uap->port.info == NULL) + if (uap->port.state == NULL) goto ack_tx_int; - xmit = &uap->port.info->xmit; + xmit = &uap->port.state->xmit; if (uart_circ_empty(xmit)) { uart_write_wakeup(&uap->port); goto ack_tx_int; @@ -655,7 +655,7 @@ static void pmz_start_tx(struct uart_port *port) port->icount.tx++; port->x_char = 0; } else { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; write_zsdata(uap, xmit->buf[xmit->tail]); zssync(uap); @@ -1645,7 +1645,7 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state) state = pmz_uart_reg.state + uap->port.line; mutex_lock(&pmz_irq_mutex); - mutex_lock(&state->mutex); + mutex_lock(&state->port.mutex); spin_lock_irqsave(&uap->port.lock, flags); @@ -1676,7 +1676,7 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state) /* Shut the chip down */ pmz_set_scc_power(uap, 0); - mutex_unlock(&state->mutex); + mutex_unlock(&state->port.mutex); mutex_unlock(&pmz_irq_mutex); pmz_debug("suspend, switching complete\n"); @@ -1705,7 +1705,7 @@ static int pmz_resume(struct macio_dev *mdev) state = pmz_uart_reg.state + uap->port.line; mutex_lock(&pmz_irq_mutex); - mutex_lock(&state->mutex); + mutex_lock(&state->port.mutex); spin_lock_irqsave(&uap->port.lock, flags); if (!ZS_IS_OPEN(uap) && !ZS_IS_CONS(uap)) { @@ -1737,7 +1737,7 @@ static int pmz_resume(struct macio_dev *mdev) } bail: - mutex_unlock(&state->mutex); + mutex_unlock(&state->port.mutex); mutex_unlock(&pmz_irq_mutex); /* Right now, we deal with delay by blocking here, I'll be diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c index 1bb8f1b4576..0aa75a97531 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.info->delta_msr_wait); + wake_up_interruptible(&sport->port.state->port.delta_msr_wait); } /* @@ -112,7 +112,7 @@ static void pnx8xxx_timeout(unsigned long data) struct pnx8xxx_port *sport = (struct pnx8xxx_port *)data; unsigned long flags; - if (sport->port.info) { + if (sport->port.state) { spin_lock_irqsave(&sport->port.lock, flags); pnx8xxx_mctrl_check(sport); spin_unlock_irqrestore(&sport->port.lock, flags); @@ -181,7 +181,7 @@ static void pnx8xxx_enable_ms(struct uart_port *port) static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport) { - struct tty_struct *tty = sport->port.info->port.tty; + struct tty_struct *tty = sport->port.state->port.tty; unsigned int status, ch, flg; status = FIFO_TO_SM(serial_in(sport, PNX8XXX_FIFO)) | @@ -243,7 +243,7 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport) static void pnx8xxx_tx_chars(struct pnx8xxx_port *sport) { - struct circ_buf *xmit = &sport->port.info->xmit; + struct circ_buf *xmit = &sport->port.state->xmit; if (sport->port.x_char) { serial_out(sport, PNX8XXX_FIFO, sport->port.x_char); diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index a48a8a13d87..6443b7ff274 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -96,7 +96,7 @@ static void serial_pxa_stop_rx(struct uart_port *port) static inline void receive_chars(struct uart_pxa_port *up, int *status) { - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; unsigned int ch, flag; int max_count = 256; @@ -161,7 +161,7 @@ static inline void receive_chars(struct uart_pxa_port *up, int *status) static void transmit_chars(struct uart_pxa_port *up) { - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; int count; if (up->port.x_char) { @@ -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.info->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 94530f01521..7f5e2687322 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.info->delta_msr_wait); + wake_up_interruptible(&sport->port.state->port.delta_msr_wait); } /* @@ -129,7 +129,7 @@ static void sa1100_timeout(unsigned long data) struct sa1100_port *sport = (struct sa1100_port *)data; unsigned long flags; - if (sport->port.info) { + if (sport->port.state) { spin_lock_irqsave(&sport->port.lock, flags); sa1100_mctrl_check(sport); spin_unlock_irqrestore(&sport->port.lock, flags); @@ -189,7 +189,7 @@ static void sa1100_enable_ms(struct uart_port *port) static void sa1100_rx_chars(struct sa1100_port *sport) { - struct tty_struct *tty = sport->port.info->port.tty; + struct tty_struct *tty = sport->port.state->port.tty; unsigned int status, ch, flg; status = UTSR1_TO_SM(UART_GET_UTSR1(sport)) | @@ -239,7 +239,7 @@ sa1100_rx_chars(struct sa1100_port *sport) static void sa1100_tx_chars(struct sa1100_port *sport) { - struct circ_buf *xmit = &sport->port.info->xmit; + struct circ_buf *xmit = &sport->port.state->xmit; if (sport->port.x_char) { UART_PUT_CHAR(sport, sport->port.x_char); diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c index c8851a0db63..1523e8d9ae7 100644 --- a/drivers/serial/samsung.c +++ b/drivers/serial/samsung.c @@ -196,7 +196,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id) { struct s3c24xx_uart_port *ourport = dev_id; struct uart_port *port = &ourport->port; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; unsigned int ufcon, ch, flag, ufstat, uerstat; int max_count = 64; @@ -281,7 +281,7 @@ static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id) { struct s3c24xx_uart_port *ourport = id; struct uart_port *port = &ourport->port; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; int count = 256; if (port->x_char) { @@ -992,10 +992,10 @@ static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb, struct ktermios *termios; struct tty_struct *tty; - if (uport->info == NULL) + if (uport->state == NULL) goto exit; - tty = uport->info->port.tty; + tty = uport->state->port.tty; if (tty == NULL) goto exit; diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c index 319e8b83f6b..a2f2b325449 100644 --- a/drivers/serial/sb1250-duart.c +++ b/drivers/serial/sb1250-duart.c @@ -384,13 +384,13 @@ static void sbd_receive_chars(struct sbd_port *sport) uart_insert_char(uport, status, M_DUART_OVRUN_ERR, ch, flag); } - tty_flip_buffer_push(uport->info->port.tty); + tty_flip_buffer_push(uport->state->port.tty); } static void sbd_transmit_chars(struct sbd_port *sport) { struct uart_port *uport = &sport->port; - struct circ_buf *xmit = &sport->port.info->xmit; + struct circ_buf *xmit = &sport->port.state->xmit; unsigned int mask; int stop_tx; @@ -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->info->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/sc26xx.c b/drivers/serial/sc26xx.c index e0be11ceaa2..75038ad2b24 100644 --- a/drivers/serial/sc26xx.c +++ b/drivers/serial/sc26xx.c @@ -140,8 +140,8 @@ static struct tty_struct *receive_chars(struct uart_port *port) char flag; u8 status; - if (port->info != NULL) /* Unopened serial console */ - tty = port->info->port.tty; + if (port->state != NULL) /* Unopened serial console */ + tty = port->state->port.tty; while (limit-- > 0) { status = READ_SC_PORT(port, SR); @@ -190,10 +190,10 @@ static void transmit_chars(struct uart_port *port) { struct circ_buf *xmit; - if (!port->info) + if (!port->state) return; - xmit = &port->info->xmit; + xmit = &port->state->xmit; if (uart_circ_empty(xmit) || uart_tx_stopped(port)) { sc26xx_disable_irq(port, IMR_TXRDY); return; @@ -316,7 +316,7 @@ static void sc26xx_stop_tx(struct uart_port *port) /* port->lock held by caller. */ static void sc26xx_start_tx(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; while (!uart_circ_empty(xmit)) { if (!(READ_SC_PORT(port, SR) & SR_TXRDY)) { diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index b0bb29d804a..2514d00c0f6 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -29,10 +29,10 @@ #include <linux/console.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/serial_core.h> #include <linux/smp_lock.h> #include <linux/device.h> #include <linux/serial.h> /* for serial_state and serial_icounter_struct */ +#include <linux/serial_core.h> #include <linux/delay.h> #include <linux/mutex.h> @@ -52,8 +52,6 @@ static struct lock_class_key port_lock_key; #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8) -#define uart_users(state) ((state)->count + (state)->info.port.blocked_open) - #ifdef CONFIG_SERIAL_CORE_CONSOLE #define uart_console(port) ((port)->cons && (port)->cons->index == (port)->line) #else @@ -71,19 +69,19 @@ static void uart_change_pm(struct uart_state *state, int pm_state); */ void uart_write_wakeup(struct uart_port *port) { - struct uart_info *info = port->info; + struct uart_state *state = port->state; /* * This means you called this function _after_ the port was * closed. No cookie for you. */ - BUG_ON(!info); - tasklet_schedule(&info->tlet); + BUG_ON(!state); + tasklet_schedule(&state->tlet); } static void uart_stop(struct tty_struct *tty) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *port = state->uart_port; unsigned long flags; spin_lock_irqsave(&port->lock, flags); @@ -94,9 +92,9 @@ static void uart_stop(struct tty_struct *tty) static void __uart_start(struct tty_struct *tty) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *port = state->uart_port; - if (!uart_circ_empty(&state->info.xmit) && state->info.xmit.buf && + if (!uart_circ_empty(&state->xmit) && state->xmit.buf && !tty->stopped && !tty->hw_stopped) port->ops->start_tx(port); } @@ -104,7 +102,7 @@ static void __uart_start(struct tty_struct *tty) static void uart_start(struct tty_struct *tty) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *port = state->uart_port; unsigned long flags; spin_lock_irqsave(&port->lock, flags); @@ -115,7 +113,7 @@ static void uart_start(struct tty_struct *tty) static void uart_tasklet_action(unsigned long data) { struct uart_state *state = (struct uart_state *)data; - tty_wakeup(state->info.port.tty); + tty_wakeup(state->port.tty); } static inline void @@ -141,12 +139,12 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear) */ static int uart_startup(struct uart_state *state, int init_hw) { - struct uart_info *info = &state->info; - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; unsigned long page; int retval = 0; - if (info->flags & UIF_INITIALIZED) + if (port->flags & ASYNC_INITIALIZED) return 0; /* @@ -154,26 +152,26 @@ static int uart_startup(struct uart_state *state, int init_hw) * once we have successfully opened the port. Also set * up the tty->alt_speed kludge */ - set_bit(TTY_IO_ERROR, &info->port.tty->flags); + set_bit(TTY_IO_ERROR, &port->tty->flags); - if (port->type == PORT_UNKNOWN) + if (uport->type == PORT_UNKNOWN) return 0; /* * Initialise and allocate the transmit and temporary * buffer. */ - if (!info->xmit.buf) { + if (!state->xmit.buf) { /* This is protected by the per port mutex */ page = get_zeroed_page(GFP_KERNEL); if (!page) return -ENOMEM; - info->xmit.buf = (unsigned char *) page; - uart_circ_clear(&info->xmit); + state->xmit.buf = (unsigned char *) page; + uart_circ_clear(&state->xmit); } - retval = port->ops->startup(port); + retval = uport->ops->startup(uport); if (retval == 0) { if (init_hw) { /* @@ -185,20 +183,20 @@ static int uart_startup(struct uart_state *state, int init_hw) * Setup the RTS and DTR signals once the * port is open and ready to respond. */ - if (info->port.tty->termios->c_cflag & CBAUD) - uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR); + if (port->tty->termios->c_cflag & CBAUD) + uart_set_mctrl(uport, TIOCM_RTS | TIOCM_DTR); } - if (info->flags & UIF_CTS_FLOW) { - spin_lock_irq(&port->lock); - if (!(port->ops->get_mctrl(port) & TIOCM_CTS)) - info->port.tty->hw_stopped = 1; - spin_unlock_irq(&port->lock); + if (port->flags & ASYNC_CTS_FLOW) { + spin_lock_irq(&uport->lock); + if (!(uport->ops->get_mctrl(uport) & TIOCM_CTS)) + port->tty->hw_stopped = 1; + spin_unlock_irq(&uport->lock); } - info->flags |= UIF_INITIALIZED; + set_bit(ASYNCB_INITIALIZED, &port->flags); - clear_bit(TTY_IO_ERROR, &info->port.tty->flags); + clear_bit(TTY_IO_ERROR, &port->tty->flags); } if (retval && capable(CAP_SYS_ADMIN)) @@ -214,9 +212,9 @@ static int uart_startup(struct uart_state *state, int init_hw) */ static void uart_shutdown(struct uart_state *state) { - struct uart_info *info = &state->info; - struct uart_port *port = state->port; - struct tty_struct *tty = info->port.tty; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; + struct tty_struct *tty = port->tty; /* * Set the TTY IO error marker @@ -224,14 +222,12 @@ static void uart_shutdown(struct uart_state *state) if (tty) set_bit(TTY_IO_ERROR, &tty->flags); - if (info->flags & UIF_INITIALIZED) { - info->flags &= ~UIF_INITIALIZED; - + if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) { /* * Turn off DTR and RTS early. */ if (!tty || (tty->termios->c_cflag & HUPCL)) - uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); + uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS); /* * clear delta_msr_wait queue to avoid mem leaks: we may free @@ -240,30 +236,30 @@ static void uart_shutdown(struct uart_state *state) * any outstanding file descriptors should be pointing at * hung_up_tty_fops now. */ - wake_up_interruptible(&info->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); /* * Free the IRQ and disable the port. */ - port->ops->shutdown(port); + uport->ops->shutdown(uport); /* * Ensure that the IRQ handler isn't running on another CPU. */ - synchronize_irq(port->irq); + synchronize_irq(uport->irq); } /* * kill off our tasklet */ - tasklet_kill(&info->tlet); + tasklet_kill(&state->tlet); /* * Free the transmit buffer page. */ - if (info->xmit.buf) { - free_page((unsigned long)info->xmit.buf); - info->xmit.buf = NULL; + if (state->xmit.buf) { + free_page((unsigned long)state->xmit.buf); + state->xmit.buf = NULL; } } @@ -430,15 +426,16 @@ EXPORT_SYMBOL(uart_get_divisor); static void uart_change_speed(struct uart_state *state, struct ktermios *old_termios) { - struct tty_struct *tty = state->info.port.tty; - struct uart_port *port = state->port; + struct tty_port *port = &state->port; + struct tty_struct *tty = port->tty; + struct uart_port *uport = state->uart_port; struct ktermios *termios; /* * If we have no tty, termios, or the port does not exist, * then we can't set the parameters for this port. */ - if (!tty || !tty->termios || port->type == PORT_UNKNOWN) + if (!tty || !tty->termios || uport->type == PORT_UNKNOWN) return; termios = tty->termios; @@ -447,16 +444,16 @@ uart_change_speed(struct uart_state *state, struct ktermios *old_termios) * Set flags based on termios cflag */ if (termios->c_cflag & CRTSCTS) - state->info.flags |= UIF_CTS_FLOW; + set_bit(ASYNCB_CTS_FLOW, &port->flags); else - state->info.flags &= ~UIF_CTS_FLOW; + clear_bit(ASYNCB_CTS_FLOW, &port->flags); if (termios->c_cflag & CLOCAL) - state->info.flags &= ~UIF_CHECK_CD; + clear_bit(ASYNCB_CHECK_CD, &port->flags); else - state->info.flags |= UIF_CHECK_CD; + set_bit(ASYNCB_CHECK_CD, &port->flags); - port->ops->set_termios(port, termios, old_termios); + uport->ops->set_termios(uport, termios, old_termios); } static inline int @@ -482,7 +479,7 @@ static int uart_put_char(struct tty_struct *tty, unsigned char ch) { struct uart_state *state = tty->driver_data; - return __uart_put_char(state->port, &state->info.xmit, ch); + return __uart_put_char(state->uart_port, &state->xmit, ch); } static void uart_flush_chars(struct tty_struct *tty) @@ -508,8 +505,8 @@ uart_write(struct tty_struct *tty, const unsigned char *buf, int count) return -EL3HLT; } - port = state->port; - circ = &state->info.xmit; + port = state->uart_port; + circ = &state->xmit; if (!circ->buf) return 0; @@ -539,9 +536,9 @@ static int uart_write_room(struct tty_struct *tty) unsigned long flags; int ret; - spin_lock_irqsave(&state->port->lock, flags); - ret = uart_circ_chars_free(&state->info.xmit); - spin_unlock_irqrestore(&state->port->lock, flags); + spin_lock_irqsave(&state->uart_port->lock, flags); + ret = uart_circ_chars_free(&state->xmit); + spin_unlock_irqrestore(&state->uart_port->lock, flags); return ret; } @@ -551,9 +548,9 @@ static int uart_chars_in_buffer(struct tty_struct *tty) unsigned long flags; int ret; - spin_lock_irqsave(&state->port->lock, flags); - ret = uart_circ_chars_pending(&state->info.xmit); - spin_unlock_irqrestore(&state->port->lock, flags); + spin_lock_irqsave(&state->uart_port->lock, flags); + ret = uart_circ_chars_pending(&state->xmit); + spin_unlock_irqrestore(&state->uart_port->lock, flags); return ret; } @@ -572,11 +569,11 @@ static void uart_flush_buffer(struct tty_struct *tty) return; } - port = state->port; + port = state->uart_port; pr_debug("uart_flush_buffer(%d) called\n", tty->index); spin_lock_irqsave(&port->lock, flags); - uart_circ_clear(&state->info.xmit); + uart_circ_clear(&state->xmit); if (port->ops->flush_buffer) port->ops->flush_buffer(port); spin_unlock_irqrestore(&port->lock, flags); @@ -590,7 +587,7 @@ static void uart_flush_buffer(struct tty_struct *tty) static void uart_send_xchar(struct tty_struct *tty, char ch) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *port = state->uart_port; unsigned long flags; if (port->ops->send_xchar) @@ -613,13 +610,13 @@ static void uart_throttle(struct tty_struct *tty) uart_send_xchar(tty, STOP_CHAR(tty)); if (tty->termios->c_cflag & CRTSCTS) - uart_clear_mctrl(state->port, TIOCM_RTS); + uart_clear_mctrl(state->uart_port, TIOCM_RTS); } static void uart_unthrottle(struct tty_struct *tty) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *port = state->uart_port; if (I_IXOFF(tty)) { if (port->x_char) @@ -635,35 +632,36 @@ static void uart_unthrottle(struct tty_struct *tty) static int uart_get_info(struct uart_state *state, struct serial_struct __user *retinfo) { - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; struct serial_struct tmp; memset(&tmp, 0, sizeof(tmp)); /* Ensure the state we copy is consistent and no hardware changes occur as we go */ - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); - tmp.type = port->type; - tmp.line = port->line; - tmp.port = port->iobase; + tmp.type = uport->type; + tmp.line = uport->line; + tmp.port = uport->iobase; if (HIGH_BITS_OFFSET) - tmp.port_high = (long) port->iobase >> HIGH_BITS_OFFSET; - tmp.irq = port->irq; - tmp.flags = port->flags; - tmp.xmit_fifo_size = port->fifosize; - tmp.baud_base = port->uartclk / 16; - tmp.close_delay = state->close_delay / 10; - tmp.closing_wait = state->closing_wait == USF_CLOSING_WAIT_NONE ? + tmp.port_high = (long) uport->iobase >> HIGH_BITS_OFFSET; + tmp.irq = uport->irq; + tmp.flags = uport->flags; + tmp.xmit_fifo_size = uport->fifosize; + tmp.baud_base = uport->uartclk / 16; + tmp.close_delay = port->close_delay / 10; + tmp.closing_wait = port->closing_wait == ASYNC_CLOSING_WAIT_NONE ? ASYNC_CLOSING_WAIT_NONE : - state->closing_wait / 10; - tmp.custom_divisor = port->custom_divisor; - tmp.hub6 = port->hub6; - tmp.io_type = port->iotype; - tmp.iomem_reg_shift = port->regshift; - tmp.iomem_base = (void *)(unsigned long)port->mapbase; + port->closing_wait / 10; + tmp.custom_divisor = uport->custom_divisor; + tmp.hub6 = uport->hub6; + tmp.io_type = uport->iotype; + tmp.iomem_reg_shift = uport->regshift; + tmp.iomem_base = (void *)(unsigned long)uport->mapbase; - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) return -EFAULT; @@ -674,7 +672,8 @@ static int uart_set_info(struct uart_state *state, struct serial_struct __user *newinfo) { struct serial_struct new_serial; - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; unsigned long new_port; unsigned int change_irq, change_port, closing_wait; unsigned int old_custom_divisor, close_delay; @@ -691,58 +690,58 @@ static int uart_set_info(struct uart_state *state, new_serial.irq = irq_canonicalize(new_serial.irq); close_delay = new_serial.close_delay * 10; closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ? - USF_CLOSING_WAIT_NONE : new_serial.closing_wait * 10; + ASYNC_CLOSING_WAIT_NONE : new_serial.closing_wait * 10; /* - * This semaphore protects state->count. It is also + * This semaphore protects port->count. It is also * very useful to prevent opens. Also, take the * port configuration semaphore to make sure that a * module insertion/removal doesn't change anything * under us. */ - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); - change_irq = !(port->flags & UPF_FIXED_PORT) - && new_serial.irq != port->irq; + change_irq = !(uport->flags & UPF_FIXED_PORT) + && new_serial.irq != uport->irq; /* * Since changing the 'type' of the port changes its resource * allocations, we should treat type changes the same as * IO port changes. */ - change_port = !(port->flags & UPF_FIXED_PORT) - && (new_port != port->iobase || - (unsigned long)new_serial.iomem_base != port->mapbase || - new_serial.hub6 != port->hub6 || - new_serial.io_type != port->iotype || - new_serial.iomem_reg_shift != port->regshift || - new_serial.type != port->type); - - old_flags = port->flags; + change_port = !(uport->flags & UPF_FIXED_PORT) + && (new_port != uport->iobase || + (unsigned long)new_serial.iomem_base != uport->mapbase || + new_serial.hub6 != uport->hub6 || + new_serial.io_type != uport->iotype || + new_serial.iomem_reg_shift != uport->regshift || + new_serial.type != uport->type); + + old_flags = uport->flags; new_flags = new_serial.flags; - old_custom_divisor = port->custom_divisor; + old_custom_divisor = uport->custom_divisor; if (!capable(CAP_SYS_ADMIN)) { retval = -EPERM; if (change_irq || change_port || - (new_serial.baud_base != port->uartclk / 16) || - (close_delay != state->close_delay) || - (closing_wait != state->closing_wait) || + (new_serial.baud_base != uport->uartclk / 16) || + (close_delay != port->close_delay) || + (closing_wait != port->closing_wait) || (new_serial.xmit_fifo_size && - new_serial.xmit_fifo_size != port->fifosize) || + new_serial.xmit_fifo_size != uport->fifosize) || (((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0)) goto exit; - port->flags = ((port->flags & ~UPF_USR_MASK) | + uport->flags = ((uport->flags & ~UPF_USR_MASK) | (new_flags & UPF_USR_MASK)); - port->custom_divisor = new_serial.custom_divisor; + uport->custom_divisor = new_serial.custom_divisor; goto check_and_exit; } /* * Ask the low level driver to verify the settings. */ - if (port->ops->verify_port) - retval = port->ops->verify_port(port, &new_serial); + if (uport->ops->verify_port) + retval = uport->ops->verify_port(uport, &new_serial); if ((new_serial.irq >= nr_irqs) || (new_serial.irq < 0) || (new_serial.baud_base < 9600)) @@ -757,7 +756,7 @@ static int uart_set_info(struct uart_state *state, /* * Make sure that we are the sole user of this port. */ - if (uart_users(state) > 1) + if (tty_port_users(port) > 1) goto exit; /* @@ -771,31 +770,31 @@ static int uart_set_info(struct uart_state *state, unsigned long old_iobase, old_mapbase; unsigned int old_type, old_iotype, old_hub6, old_shift; - old_iobase = port->iobase; - old_mapbase = port->mapbase; - old_type = port->type; - old_hub6 = port->hub6; - old_iotype = port->iotype; - old_shift = port->regshift; + old_iobase = uport->iobase; + old_mapbase = uport->mapbase; + old_type = uport->type; + old_hub6 = uport->hub6; + old_iotype = uport->iotype; + old_shift = uport->regshift; /* * Free and release old regions */ if (old_type != PORT_UNKNOWN) - port->ops->release_port(port); + uport->ops->release_port(uport); - port->iobase = new_port; - port->type = new_serial.type; - port->hub6 = new_serial.hub6; - port->iotype = new_serial.io_type; - port->regshift = new_serial.iomem_reg_shift; - port->mapbase = (unsigned long)new_serial.iomem_base; + uport->iobase = new_port; + uport->type = new_serial.type; + uport->hub6 = new_serial.hub6; + uport->iotype = new_serial.io_type; + uport->regshift = new_serial.iomem_reg_shift; + uport->mapbase = (unsigned long)new_serial.iomem_base; /* * Claim and map the new regions */ - if (port->type != PORT_UNKNOWN) { - retval = port->ops->request_port(port); + if (uport->type != PORT_UNKNOWN) { + retval = uport->ops->request_port(uport); } else { /* Always success - Jean II */ retval = 0; @@ -806,19 +805,19 @@ static int uart_set_info(struct uart_state *state, * new port, try to restore the old settings. */ if (retval && old_type != PORT_UNKNOWN) { - port->iobase = old_iobase; - port->type = old_type; - port->hub6 = old_hub6; - port->iotype = old_iotype; - port->regshift = old_shift; - port->mapbase = old_mapbase; - retval = port->ops->request_port(port); + uport->iobase = old_iobase; + uport->type = old_type; + uport->hub6 = old_hub6; + uport->iotype = old_iotype; + uport->regshift = old_shift; + uport->mapbase = old_mapbase; + retval = uport->ops->request_port(uport); /* * If we failed to restore the old settings, * we fail like this. */ if (retval) - port->type = PORT_UNKNOWN; + uport->type = PORT_UNKNOWN; /* * We failed anyway. @@ -830,45 +829,45 @@ static int uart_set_info(struct uart_state *state, } if (change_irq) - port->irq = new_serial.irq; - if (!(port->flags & UPF_FIXED_PORT)) - port->uartclk = new_serial.baud_base * 16; - port->flags = (port->flags & ~UPF_CHANGE_MASK) | + uport->irq = new_serial.irq; + if (!(uport->flags & UPF_FIXED_PORT)) + uport->uartclk = new_serial.baud_base * 16; + uport->flags = (uport->flags & ~UPF_CHANGE_MASK) | (new_flags & UPF_CHANGE_MASK); - port->custom_divisor = new_serial.custom_divisor; - state->close_delay = close_delay; - state->closing_wait = closing_wait; + uport->custom_divisor = new_serial.custom_divisor; + port->close_delay = close_delay; + port->closing_wait = closing_wait; if (new_serial.xmit_fifo_size) - port->fifosize = new_serial.xmit_fifo_size; - if (state->info.port.tty) - state->info.port.tty->low_latency = - (port->flags & UPF_LOW_LATENCY) ? 1 : 0; + uport->fifosize = new_serial.xmit_fifo_size; + if (port->tty) + port->tty->low_latency = + (uport->flags & UPF_LOW_LATENCY) ? 1 : 0; check_and_exit: retval = 0; - if (port->type == PORT_UNKNOWN) + if (uport->type == PORT_UNKNOWN) goto exit; - if (state->info.flags & UIF_INITIALIZED) { - if (((old_flags ^ port->flags) & UPF_SPD_MASK) || - old_custom_divisor != port->custom_divisor) { + if (port->flags & ASYNC_INITIALIZED) { + if (((old_flags ^ uport->flags) & UPF_SPD_MASK) || + old_custom_divisor != uport->custom_divisor) { /* * If they're setting up a custom divisor or speed, * instead of clearing it, then bitch about it. No * need to rate-limit; it's CAP_SYS_ADMIN only. */ - if (port->flags & UPF_SPD_MASK) { + if (uport->flags & UPF_SPD_MASK) { char buf[64]; printk(KERN_NOTICE "%s sets custom speed on %s. This " "is deprecated.\n", current->comm, - tty_name(state->info.port.tty, buf)); + tty_name(port->tty, buf)); } uart_change_speed(state, NULL); } } else retval = uart_startup(state, 1); exit: - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return retval; } @@ -880,10 +879,11 @@ static int uart_set_info(struct uart_state *state, static int uart_get_lsr_info(struct uart_state *state, unsigned int __user *value) { - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; unsigned int result; - result = port->ops->tx_empty(port); + result = uport->ops->tx_empty(uport); /* * If we're about to load something into the transmit @@ -891,9 +891,9 @@ static int uart_get_lsr_info(struct uart_state *state, * avoid a race condition (depending on when the transmit * interrupt happens). */ - if (port->x_char || - ((uart_circ_chars_pending(&state->info.xmit) > 0) && - !state->info.port.tty->stopped && !state->info.port.tty->hw_stopped)) + if (uport->x_char || + ((uart_circ_chars_pending(&state->xmit) > 0) && + !port->tty->stopped && !port->tty->hw_stopped)) result &= ~TIOCSER_TEMT; return put_user(result, value); @@ -902,19 +902,20 @@ static int uart_get_lsr_info(struct uart_state *state, static int uart_tiocmget(struct tty_struct *tty, struct file *file) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct tty_port *port = &state->port; + struct uart_port *uport = state->uart_port; int result = -EIO; - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); if ((!file || !tty_hung_up_p(file)) && !(tty->flags & (1 << TTY_IO_ERROR))) { - result = port->mctrl; + result = uport->mctrl; - spin_lock_irq(&port->lock); - result |= port->ops->get_mctrl(port); - spin_unlock_irq(&port->lock); + spin_lock_irq(&uport->lock); + result |= uport->ops->get_mctrl(uport); + spin_unlock_irq(&uport->lock); } - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return result; } @@ -924,36 +925,39 @@ uart_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; int ret = -EIO; - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); if ((!file || !tty_hung_up_p(file)) && !(tty->flags & (1 << TTY_IO_ERROR))) { - uart_update_mctrl(port, set, clear); + uart_update_mctrl(uport, set, clear); ret = 0; } - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return ret; } static int uart_break_ctl(struct tty_struct *tty, int break_state) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct tty_port *port = &state->port; + struct uart_port *uport = state->uart_port; - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); - if (port->type != PORT_UNKNOWN) - port->ops->break_ctl(port, break_state); + if (uport->type != PORT_UNKNOWN) + uport->ops->break_ctl(uport, break_state); - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return 0; } static int uart_do_autoconfig(struct uart_state *state) { - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; int flags, ret; if (!capable(CAP_SYS_ADMIN)) @@ -964,33 +968,33 @@ static int uart_do_autoconfig(struct uart_state *state) * changing, and hence any extra opens of the port while * we're auto-configuring. */ - if (mutex_lock_interruptible(&state->mutex)) + if (mutex_lock_interruptible(&port->mutex)) return -ERESTARTSYS; ret = -EBUSY; - if (uart_users(state) == 1) { + if (tty_port_users(port) == 1) { uart_shutdown(state); /* * If we already have a port type configured, * we must release its resources. */ - if (port->type != PORT_UNKNOWN) - port->ops->release_port(port); + if (uport->type != PORT_UNKNOWN) + uport->ops->release_port(uport); flags = UART_CONFIG_TYPE; - if (port->flags & UPF_AUTO_IRQ) + if (uport->flags & UPF_AUTO_IRQ) flags |= UART_CONFIG_IRQ; /* * This will claim the ports resources if * a port is found. */ - port->ops->config_port(port, flags); + uport->ops->config_port(uport, flags); ret = uart_startup(state, 1); } - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return ret; } @@ -999,11 +1003,15 @@ 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 *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; DECLARE_WAITQUEUE(wait, current); struct uart_icount cprev, cnow; int ret; @@ -1011,20 +1019,20 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg) /* * note the counters on entry */ - spin_lock_irq(&port->lock); - memcpy(&cprev, &port->icount, sizeof(struct uart_icount)); + spin_lock_irq(&uport->lock); + memcpy(&cprev, &uport->icount, sizeof(struct uart_icount)); /* * Force modem status interrupts on */ - port->ops->enable_ms(port); - spin_unlock_irq(&port->lock); + uport->ops->enable_ms(uport); + spin_unlock_irq(&uport->lock); - add_wait_queue(&state->info.delta_msr_wait, &wait); + add_wait_queue(&port->delta_msr_wait, &wait); for (;;) { - spin_lock_irq(&port->lock); - memcpy(&cnow, &port->icount, sizeof(struct uart_icount)); - spin_unlock_irq(&port->lock); + spin_lock_irq(&uport->lock); + memcpy(&cnow, &uport->icount, sizeof(struct uart_icount)); + spin_unlock_irq(&uport->lock); set_current_state(TASK_INTERRUPTIBLE); @@ -1048,7 +1056,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg) } current->state = TASK_RUNNING; - remove_wait_queue(&state->info.delta_msr_wait, &wait); + remove_wait_queue(&port->delta_msr_wait, &wait); return ret; } @@ -1064,11 +1072,11 @@ static int uart_get_count(struct uart_state *state, { struct serial_icounter_struct icount; struct uart_icount cnow; - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; - spin_lock_irq(&port->lock); - memcpy(&cnow, &port->icount, sizeof(struct uart_icount)); - spin_unlock_irq(&port->lock); + spin_lock_irq(&uport->lock); + memcpy(&cnow, &uport->icount, sizeof(struct uart_icount)); + spin_unlock_irq(&uport->lock); icount.cts = cnow.cts; icount.dsr = cnow.dsr; @@ -1093,6 +1101,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd, unsigned long arg) { struct uart_state *state = tty->driver_data; + struct tty_port *port = &state->port; void __user *uarg = (void __user *)arg; int ret = -ENOIOCTLCMD; @@ -1143,7 +1152,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd, if (ret != -ENOIOCTLCMD) goto out; - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); if (tty_hung_up_p(filp)) { ret = -EIO; @@ -1160,14 +1169,14 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd, break; default: { - struct uart_port *port = state->port; - if (port->ops->ioctl) - ret = port->ops->ioctl(port, cmd, arg); + struct uart_port *uport = state->uart_port; + if (uport->ops->ioctl) + ret = uport->ops->ioctl(uport, cmd, arg); break; } } out_up: - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); out: return ret; } @@ -1175,10 +1184,10 @@ out: static void uart_set_ldisc(struct tty_struct *tty) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; - if (port->ops->set_ldisc) - port->ops->set_ldisc(port); + if (uport->ops->set_ldisc) + uport->ops->set_ldisc(uport); } static void uart_set_termios(struct tty_struct *tty, @@ -1207,7 +1216,7 @@ static void uart_set_termios(struct tty_struct *tty, /* Handle transition to B0 status */ if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD)) - uart_clear_mctrl(state->port, TIOCM_RTS | TIOCM_DTR); + uart_clear_mctrl(state->uart_port, TIOCM_RTS | TIOCM_DTR); /* Handle transition away from B0 status */ if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) { @@ -1215,25 +1224,25 @@ static void uart_set_termios(struct tty_struct *tty, if (!(cflag & CRTSCTS) || !test_bit(TTY_THROTTLED, &tty->flags)) mask |= TIOCM_RTS; - uart_set_mctrl(state->port, mask); + uart_set_mctrl(state->uart_port, mask); } /* Handle turning off CRTSCTS */ if ((old_termios->c_cflag & CRTSCTS) && !(cflag & CRTSCTS)) { - spin_lock_irqsave(&state->port->lock, flags); + spin_lock_irqsave(&state->uart_port->lock, flags); tty->hw_stopped = 0; __uart_start(tty); - spin_unlock_irqrestore(&state->port->lock, flags); + spin_unlock_irqrestore(&state->uart_port->lock, flags); } /* Handle turning on CRTSCTS */ if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) { - spin_lock_irqsave(&state->port->lock, flags); - if (!(state->port->ops->get_mctrl(state->port) & TIOCM_CTS)) { + spin_lock_irqsave(&state->uart_port->lock, flags); + if (!(state->uart_port->ops->get_mctrl(state->uart_port) & TIOCM_CTS)) { tty->hw_stopped = 1; - state->port->ops->stop_tx(state->port); + state->uart_port->ops->stop_tx(state->uart_port); } - spin_unlock_irqrestore(&state->port->lock, flags); + spin_unlock_irqrestore(&state->uart_port->lock, flags); } #if 0 /* @@ -1244,7 +1253,7 @@ static void uart_set_termios(struct tty_struct *tty, */ if (!(old_termios->c_cflag & CLOCAL) && (tty->termios->c_cflag & CLOCAL)) - wake_up_interruptible(&info->port.open_wait); + wake_up_interruptible(&state->uart_port.open_wait); #endif } @@ -1256,40 +1265,39 @@ static void uart_set_termios(struct tty_struct *tty, static void uart_close(struct tty_struct *tty, struct file *filp) { struct uart_state *state = tty->driver_data; - struct uart_port *port; + struct tty_port *port; + struct uart_port *uport; BUG_ON(!kernel_locked()); - if (!state || !state->port) - return; + uport = state->uart_port; + port = &state->port; - port = state->port; + pr_debug("uart_close(%d) called\n", uport->line); - pr_debug("uart_close(%d) called\n", port->line); - - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); if (tty_hung_up_p(filp)) goto done; - if ((tty->count == 1) && (state->count != 1)) { + if ((tty->count == 1) && (port->count != 1)) { /* * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. state->count should always + * structure will be freed. port->count should always * be one in these conditions. If it's greater than * one, we've got real problems, since it means the * serial port won't be shutdown. */ printk(KERN_ERR "uart_close: bad serial port count; tty->count is 1, " - "state->count is %d\n", state->count); - state->count = 1; + "port->count is %d\n", port->count); + port->count = 1; } - if (--state->count < 0) { + if (--port->count < 0) { printk(KERN_ERR "uart_close: bad serial port count for %s: %d\n", - tty->name, state->count); - state->count = 0; + tty->name, port->count); + port->count = 0; } - if (state->count) + if (port->count) goto done; /* @@ -1299,24 +1307,24 @@ static void uart_close(struct tty_struct *tty, struct file *filp) */ tty->closing = 1; - if (state->closing_wait != USF_CLOSING_WAIT_NONE) - tty_wait_until_sent(tty, msecs_to_jiffies(state->closing_wait)); + if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) + tty_wait_until_sent(tty, msecs_to_jiffies(port->closing_wait)); /* * At this point, we stop accepting input. To do this, we * disable the receive line status interrupts. */ - if (state->info.flags & UIF_INITIALIZED) { + if (port->flags & ASYNC_INITIALIZED) { unsigned long flags; spin_lock_irqsave(&port->lock, flags); - port->ops->stop_rx(port); + uport->ops->stop_rx(uport); spin_unlock_irqrestore(&port->lock, flags); /* * Before we drop DTR, make sure the UART transmitter * has completely drained; this is especially * important if there is a transmit FIFO! */ - uart_wait_until_sent(tty, port->timeout); + uart_wait_until_sent(tty, uport->timeout); } uart_shutdown(state); @@ -1325,29 +1333,29 @@ static void uart_close(struct tty_struct *tty, struct file *filp) tty_ldisc_flush(tty); tty->closing = 0; - state->info.port.tty = NULL; + tty_port_tty_set(port, NULL); - if (state->info.port.blocked_open) { - if (state->close_delay) - msleep_interruptible(state->close_delay); - } else if (!uart_console(port)) { + if (port->blocked_open) { + if (port->close_delay) + msleep_interruptible(port->close_delay); + } else if (!uart_console(uport)) { uart_change_pm(state, 3); } /* * Wake up anyone trying to open this port. */ - state->info.flags &= ~UIF_NORMAL_ACTIVE; - wake_up_interruptible(&state->info.port.open_wait); + clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); + wake_up_interruptible(&port->open_wait); - done: - mutex_unlock(&state->mutex); +done: + mutex_unlock(&port->mutex); } static void uart_wait_until_sent(struct tty_struct *tty, int timeout) { struct uart_state *state = tty->driver_data; - struct uart_port *port = state->port; + struct uart_port *port = state->uart_port; unsigned long char_time, expire; if (port->type == PORT_UNKNOWN || port->fifosize == 0) @@ -1412,22 +1420,22 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout) static void uart_hangup(struct tty_struct *tty) { struct uart_state *state = tty->driver_data; - struct uart_info *info = &state->info; + struct tty_port *port = &state->port; BUG_ON(!kernel_locked()); - pr_debug("uart_hangup(%d)\n", state->port->line); + pr_debug("uart_hangup(%d)\n", state->uart_port->line); - mutex_lock(&state->mutex); - if (info->flags & UIF_NORMAL_ACTIVE) { + mutex_lock(&port->mutex); + if (port->flags & ASYNC_NORMAL_ACTIVE) { uart_flush_buffer(tty); uart_shutdown(state); - state->count = 0; - info->flags &= ~UIF_NORMAL_ACTIVE; - info->port.tty = NULL; - wake_up_interruptible(&info->port.open_wait); - wake_up_interruptible(&info->delta_msr_wait); + port->count = 0; + clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); + tty_port_tty_set(port, NULL); + wake_up_interruptible(&port->open_wait); + wake_up_interruptible(&port->delta_msr_wait); } - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); } /* @@ -1438,8 +1446,8 @@ static void uart_hangup(struct tty_struct *tty) */ static void uart_update_termios(struct uart_state *state) { - struct tty_struct *tty = state->info.port.tty; - struct uart_port *port = state->port; + struct tty_struct *tty = state->port.tty; + struct uart_port *port = state->uart_port; if (uart_console(port) && port->cons->cflag) { tty->termios->c_cflag = port->cons->cflag; @@ -1473,27 +1481,27 @@ static int uart_block_til_ready(struct file *filp, struct uart_state *state) { DECLARE_WAITQUEUE(wait, current); - struct uart_info *info = &state->info; - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; + struct tty_port *port = &state->port; unsigned int mctrl; - info->port.blocked_open++; - state->count--; + port->blocked_open++; + port->count--; - add_wait_queue(&info->port.open_wait, &wait); + add_wait_queue(&port->open_wait, &wait); while (1) { set_current_state(TASK_INTERRUPTIBLE); /* * If we have been hung up, tell userspace/restart open. */ - if (tty_hung_up_p(filp) || info->port.tty == NULL) + if (tty_hung_up_p(filp) || port->tty == NULL) break; /* * If the port has been closed, tell userspace/restart open. */ - if (!(info->flags & UIF_INITIALIZED)) + if (!(port->flags & ASYNC_INITIALIZED)) break; /* @@ -1506,8 +1514,8 @@ uart_block_til_ready(struct file *filp, struct uart_state *state) * have set TTY_IO_ERROR for a non-existant port. */ if ((filp->f_flags & O_NONBLOCK) || - (info->port.tty->termios->c_cflag & CLOCAL) || - (info->port.tty->flags & (1 << TTY_IO_ERROR))) + (port->tty->termios->c_cflag & CLOCAL) || + (port->tty->flags & (1 << TTY_IO_ERROR))) break; /* @@ -1515,37 +1523,37 @@ uart_block_til_ready(struct file *filp, struct uart_state *state) * not set RTS here - we want to make sure we catch * the data from the modem. */ - if (info->port.tty->termios->c_cflag & CBAUD) - uart_set_mctrl(port, TIOCM_DTR); + if (port->tty->termios->c_cflag & CBAUD) + uart_set_mctrl(uport, TIOCM_DTR); /* * and wait for the carrier to indicate that the * modem is ready for us. */ - spin_lock_irq(&port->lock); - port->ops->enable_ms(port); - mctrl = port->ops->get_mctrl(port); - spin_unlock_irq(&port->lock); + spin_lock_irq(&uport->lock); + uport->ops->enable_ms(uport); + mctrl = uport->ops->get_mctrl(uport); + spin_unlock_irq(&uport->lock); if (mctrl & TIOCM_CAR) break; - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); schedule(); - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); if (signal_pending(current)) break; } set_current_state(TASK_RUNNING); - remove_wait_queue(&info->port.open_wait, &wait); + remove_wait_queue(&port->open_wait, &wait); - state->count++; - info->port.blocked_open--; + port->count++; + port->blocked_open--; if (signal_pending(current)) return -ERESTARTSYS; - if (!info->port.tty || tty_hung_up_p(filp)) + if (!port->tty || tty_hung_up_p(filp)) return -EAGAIN; return 0; @@ -1554,24 +1562,26 @@ uart_block_til_ready(struct file *filp, struct uart_state *state) static struct uart_state *uart_get(struct uart_driver *drv, int line) { struct uart_state *state; + struct tty_port *port; int ret = 0; state = drv->state + line; - if (mutex_lock_interruptible(&state->mutex)) { + port = &state->port; + if (mutex_lock_interruptible(&port->mutex)) { ret = -ERESTARTSYS; goto err; } - state->count++; - if (!state->port || state->port->flags & UPF_DEAD) { + port->count++; + if (!state->uart_port || state->uart_port->flags & UPF_DEAD) { ret = -ENXIO; goto err_unlock; } return state; err_unlock: - state->count--; - mutex_unlock(&state->mutex); + port->count--; + mutex_unlock(&port->mutex); err: return ERR_PTR(ret); } @@ -1590,6 +1600,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp) { struct uart_driver *drv = (struct uart_driver *)tty->driver->driver_state; struct uart_state *state; + struct tty_port *port; int retval, line = tty->index; BUG_ON(!kernel_locked()); @@ -1606,16 +1617,18 @@ static int uart_open(struct tty_struct *tty, struct file *filp) /* * We take the semaphore inside uart_get to guarantee that we won't - * be re-entered while allocating the info structure, or while we + * be re-entered while allocating the state structure, or while we * request any IRQs that the driver may need. This also has the nice * side-effect that it delays the action of uart_hangup, so we can - * guarantee that info->port.tty will always contain something reasonable. + * guarantee that state->port.tty will always contain something + * reasonable. */ state = uart_get(drv, line); if (IS_ERR(state)) { retval = PTR_ERR(state); goto fail; } + port = &state->port; /* * Once we set tty->driver_data here, we are guaranteed that @@ -1623,25 +1636,25 @@ static int uart_open(struct tty_struct *tty, struct file *filp) * Any failures from here onwards should not touch the count. */ tty->driver_data = state; - state->port->info = &state->info; - tty->low_latency = (state->port->flags & UPF_LOW_LATENCY) ? 1 : 0; + state->uart_port->state = state; + tty->low_latency = (state->uart_port->flags & UPF_LOW_LATENCY) ? 1 : 0; tty->alt_speed = 0; - state->info.port.tty = tty; + tty_port_tty_set(port, tty); /* * If the port is in the middle of closing, bail out now. */ if (tty_hung_up_p(filp)) { retval = -EAGAIN; - state->count--; - mutex_unlock(&state->mutex); + port->count--; + mutex_unlock(&port->mutex); goto fail; } /* * Make sure the device is in D0 state. */ - if (state->count == 1) + if (port->count == 1) uart_change_pm(state, 0); /* @@ -1654,18 +1667,18 @@ static int uart_open(struct tty_struct *tty, struct file *filp) */ if (retval == 0) retval = uart_block_til_ready(filp, state); - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); /* * If this is the first open to succeed, adjust things to suit. */ - if (retval == 0 && !(state->info.flags & UIF_NORMAL_ACTIVE)) { - state->info.flags |= UIF_NORMAL_ACTIVE; + if (retval == 0 && !(port->flags & ASYNC_NORMAL_ACTIVE)) { + set_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); uart_update_termios(state); } - fail: +fail: return retval; } @@ -1687,57 +1700,58 @@ static const char *uart_type(struct uart_port *port) static void uart_line_info(struct seq_file *m, struct uart_driver *drv, int i) { struct uart_state *state = drv->state + i; + struct tty_port *port = &state->port; int pm_state; - struct uart_port *port = state->port; + struct uart_port *uport = state->uart_port; char stat_buf[32]; unsigned int status; int mmio; - if (!port) + if (!uport) return; - mmio = port->iotype >= UPIO_MEM; + mmio = uport->iotype >= UPIO_MEM; seq_printf(m, "%d: uart:%s %s%08llX irq:%d", - port->line, uart_type(port), + uport->line, uart_type(uport), mmio ? "mmio:0x" : "port:", - mmio ? (unsigned long long)port->mapbase - : (unsigned long long) port->iobase, - port->irq); + mmio ? (unsigned long long)uport->mapbase + : (unsigned long long)uport->iobase, + uport->irq); - if (port->type == PORT_UNKNOWN) { + if (uport->type == PORT_UNKNOWN) { seq_putc(m, '\n'); return; } if (capable(CAP_SYS_ADMIN)) { - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); pm_state = state->pm_state; if (pm_state) uart_change_pm(state, 0); - spin_lock_irq(&port->lock); - status = port->ops->get_mctrl(port); - spin_unlock_irq(&port->lock); + spin_lock_irq(&uport->lock); + status = uport->ops->get_mctrl(uport); + spin_unlock_irq(&uport->lock); if (pm_state) uart_change_pm(state, pm_state); - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); seq_printf(m, " tx:%d rx:%d", - port->icount.tx, port->icount.rx); - if (port->icount.frame) + uport->icount.tx, uport->icount.rx); + if (uport->icount.frame) seq_printf(m, " fe:%d", - port->icount.frame); - if (port->icount.parity) + uport->icount.frame); + if (uport->icount.parity) seq_printf(m, " pe:%d", - port->icount.parity); - if (port->icount.brk) + uport->icount.parity); + if (uport->icount.brk) seq_printf(m, " brk:%d", - port->icount.brk); - if (port->icount.overrun) + uport->icount.brk); + if (uport->icount.overrun) seq_printf(m, " oe:%d", - port->icount.overrun); + uport->icount.overrun); #define INFOBIT(bit, str) \ - if (port->mctrl & (bit)) \ + if (uport->mctrl & (bit)) \ strncat(stat_buf, (str), sizeof(stat_buf) - \ strlen(stat_buf) - 2) #define STATBIT(bit, str) \ @@ -1958,7 +1972,7 @@ EXPORT_SYMBOL_GPL(uart_set_options); static void uart_change_pm(struct uart_state *state, int pm_state) { - struct uart_port *port = state->port; + struct uart_port *port = state->uart_port; if (state->pm_state != pm_state) { if (port->ops->pm) @@ -1982,132 +1996,138 @@ static int serial_match_port(struct device *dev, void *data) return dev->devt == devt; /* Actually, only one tty per port */ } -int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) +int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) { - struct uart_state *state = drv->state + port->line; + struct uart_state *state = drv->state + uport->line; + struct tty_port *port = &state->port; struct device *tty_dev; - struct uart_match match = {port, drv}; + struct uart_match match = {uport, drv}; - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); - if (!console_suspend_enabled && uart_console(port)) { + if (!console_suspend_enabled && uart_console(uport)) { /* we're going to avoid suspending serial console */ - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return 0; } - tty_dev = device_find_child(port->dev, &match, serial_match_port); + tty_dev = device_find_child(uport->dev, &match, serial_match_port); if (device_may_wakeup(tty_dev)) { - enable_irq_wake(port->irq); + enable_irq_wake(uport->irq); put_device(tty_dev); - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return 0; } - port->suspended = 1; + uport->suspended = 1; - if (state->info.flags & UIF_INITIALIZED) { - const struct uart_ops *ops = port->ops; + if (port->flags & ASYNC_INITIALIZED) { + const struct uart_ops *ops = uport->ops; int tries; - state->info.flags = (state->info.flags & ~UIF_INITIALIZED) - | UIF_SUSPENDED; + set_bit(ASYNCB_SUSPENDED, &port->flags); + clear_bit(ASYNCB_INITIALIZED, &port->flags); - spin_lock_irq(&port->lock); - ops->stop_tx(port); - ops->set_mctrl(port, 0); - ops->stop_rx(port); - spin_unlock_irq(&port->lock); + spin_lock_irq(&uport->lock); + ops->stop_tx(uport); + ops->set_mctrl(uport, 0); + ops->stop_rx(uport); + spin_unlock_irq(&uport->lock); /* * Wait for the transmitter to empty. */ - for (tries = 3; !ops->tx_empty(port) && tries; tries--) + for (tries = 3; !ops->tx_empty(uport) && tries; tries--) msleep(10); if (!tries) printk(KERN_ERR "%s%s%s%d: Unable to drain " "transmitter\n", - port->dev ? dev_name(port->dev) : "", - port->dev ? ": " : "", + uport->dev ? dev_name(uport->dev) : "", + uport->dev ? ": " : "", drv->dev_name, - drv->tty_driver->name_base + port->line); + drv->tty_driver->name_base + uport->line); - ops->shutdown(port); + ops->shutdown(uport); } /* * Disable the console device before suspending. */ - if (uart_console(port)) - console_stop(port->cons); + if (uart_console(uport)) + console_stop(uport->cons); uart_change_pm(state, 3); - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return 0; } -int uart_resume_port(struct uart_driver *drv, struct uart_port *port) +int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) { - struct uart_state *state = drv->state + port->line; + struct uart_state *state = drv->state + uport->line; + struct tty_port *port = &state->port; struct device *tty_dev; - struct uart_match match = {port, drv}; + struct uart_match match = {uport, drv}; + struct ktermios termios; - mutex_lock(&state->mutex); + mutex_lock(&port->mutex); - if (!console_suspend_enabled && uart_console(port)) { + if (!console_suspend_enabled && uart_console(uport)) { /* no need to resume serial console, it wasn't suspended */ - mutex_unlock(&state->mutex); + /* + * First try to use the console cflag setting. + */ + memset(&termios, 0, sizeof(struct ktermios)); + termios.c_cflag = uport->cons->cflag; + /* + * If that's unset, use the tty termios setting. + */ + if (termios.c_cflag == 0) + termios = *state->port.tty->termios; + else { + termios.c_ispeed = termios.c_ospeed = + tty_termios_input_baud_rate(&termios); + termios.c_ispeed = termios.c_ospeed = + tty_termios_baud_rate(&termios); + } + uport->ops->set_termios(uport, &termios, NULL); + mutex_unlock(&port->mutex); return 0; } - tty_dev = device_find_child(port->dev, &match, serial_match_port); - if (!port->suspended && device_may_wakeup(tty_dev)) { - disable_irq_wake(port->irq); - mutex_unlock(&state->mutex); + tty_dev = device_find_child(uport->dev, &match, serial_match_port); + if (!uport->suspended && device_may_wakeup(tty_dev)) { + disable_irq_wake(uport->irq); + mutex_unlock(&port->mutex); return 0; } - port->suspended = 0; + uport->suspended = 0; /* * Re-enable the console device after suspending. */ - if (uart_console(port)) { - struct ktermios termios; - - /* - * First try to use the console cflag setting. - */ - memset(&termios, 0, sizeof(struct ktermios)); - termios.c_cflag = port->cons->cflag; - - /* - * If that's unset, use the tty termios setting. - */ - if (state->info.port.tty && termios.c_cflag == 0) - termios = *state->info.port.tty->termios; - + if (uart_console(uport)) { uart_change_pm(state, 0); - port->ops->set_termios(port, &termios, NULL); - console_start(port->cons); + uport->ops->set_termios(uport, &termios, NULL); + console_start(uport->cons); } - if (state->info.flags & UIF_SUSPENDED) { - const struct uart_ops *ops = port->ops; + if (port->flags & ASYNC_SUSPENDED) { + const struct uart_ops *ops = uport->ops; int ret; uart_change_pm(state, 0); - spin_lock_irq(&port->lock); - ops->set_mctrl(port, 0); - spin_unlock_irq(&port->lock); - ret = ops->startup(port); + spin_lock_irq(&uport->lock); + ops->set_mctrl(uport, 0); + spin_unlock_irq(&uport->lock); + ret = ops->startup(uport); if (ret == 0) { uart_change_speed(state, NULL); - spin_lock_irq(&port->lock); - ops->set_mctrl(port, port->mctrl); - ops->start_tx(port); - spin_unlock_irq(&port->lock); - state->info.flags |= UIF_INITIALIZED; + spin_lock_irq(&uport->lock); + ops->set_mctrl(uport, uport->mctrl); + ops->start_tx(uport); + spin_unlock_irq(&uport->lock); + set_bit(ASYNCB_INITIALIZED, &port->flags); } else { /* * Failed to resume - maybe hardware went away? @@ -2117,10 +2137,10 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) uart_shutdown(state); } - state->info.flags &= ~UIF_SUSPENDED; + clear_bit(ASYNCB_SUSPENDED, &port->flags); } - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); return 0; } @@ -2232,10 +2252,10 @@ static int uart_poll_init(struct tty_driver *driver, int line, char *options) int parity = 'n'; int flow = 'n'; - if (!state || !state->port) + if (!state || !state->uart_port) return -1; - port = state->port; + port = state->uart_port; if (!(port->ops->poll_get_char && port->ops->poll_put_char)) return -1; @@ -2253,10 +2273,10 @@ static int uart_poll_get_char(struct tty_driver *driver, int line) struct uart_state *state = drv->state + line; struct uart_port *port; - if (!state || !state->port) + if (!state || !state->uart_port) return -1; - port = state->port; + port = state->uart_port; return port->ops->poll_get_char(port); } @@ -2266,10 +2286,10 @@ static void uart_poll_put_char(struct tty_driver *driver, int line, char ch) struct uart_state *state = drv->state + line; struct uart_port *port; - if (!state || !state->port) + if (!state || !state->uart_port) return; - port = state->port; + port = state->uart_port; port->ops->poll_put_char(port, ch); } #endif @@ -2360,14 +2380,12 @@ int uart_register_driver(struct uart_driver *drv) */ for (i = 0; i < drv->nr; i++) { struct uart_state *state = drv->state + i; + struct tty_port *port = &state->port; - state->close_delay = 500; /* .5 seconds */ - state->closing_wait = 30000; /* 30 seconds */ - mutex_init(&state->mutex); - - tty_port_init(&state->info.port); - init_waitqueue_head(&state->info.delta_msr_wait); - tasklet_init(&state->info.tlet, uart_tasklet_action, + tty_port_init(port); + port->close_delay = 500; /* .5 seconds */ + port->closing_wait = 30000; /* 30 seconds */ + tasklet_init(&state->tlet, uart_tasklet_action, (unsigned long)state); } @@ -2415,62 +2433,64 @@ struct tty_driver *uart_console_device(struct console *co, int *index) * level uart drivers to expand uart_port, rather than having yet * more levels of structures. */ -int uart_add_one_port(struct uart_driver *drv, struct uart_port *port) +int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) { struct uart_state *state; + struct tty_port *port; int ret = 0; struct device *tty_dev; BUG_ON(in_interrupt()); - if (port->line >= drv->nr) + if (uport->line >= drv->nr) return -EINVAL; - state = drv->state + port->line; + state = drv->state + uport->line; + port = &state->port; mutex_lock(&port_mutex); - mutex_lock(&state->mutex); - if (state->port) { + mutex_lock(&port->mutex); + if (state->uart_port) { ret = -EINVAL; goto out; } - state->port = port; + state->uart_port = uport; state->pm_state = -1; - port->cons = drv->cons; - port->info = &state->info; + uport->cons = drv->cons; + uport->state = state; /* * If this port is a console, then the spinlock is already * initialised. */ - if (!(uart_console(port) && (port->cons->flags & CON_ENABLED))) { - spin_lock_init(&port->lock); - lockdep_set_class(&port->lock, &port_lock_key); + if (!(uart_console(uport) && (uport->cons->flags & CON_ENABLED))) { + spin_lock_init(&uport->lock); + lockdep_set_class(&uport->lock, &port_lock_key); } - uart_configure_port(drv, state, port); + uart_configure_port(drv, state, uport); /* * Register the port whether it's detected or not. This allows * setserial to be used to alter this ports parameters. */ - tty_dev = tty_register_device(drv->tty_driver, port->line, port->dev); + tty_dev = tty_register_device(drv->tty_driver, uport->line, uport->dev); if (likely(!IS_ERR(tty_dev))) { device_init_wakeup(tty_dev, 1); device_set_wakeup_enable(tty_dev, 0); } else printk(KERN_ERR "Cannot register tty device on line %d\n", - port->line); + uport->line); /* * Ensure UPF_DEAD is not set. */ - port->flags &= ~UPF_DEAD; + uport->flags &= ~UPF_DEAD; out: - mutex_unlock(&state->mutex); + mutex_unlock(&port->mutex); mutex_unlock(&port_mutex); return ret; @@ -2485,16 +2505,16 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port) * core driver. No further calls will be made to the low-level code * for this port. */ -int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port) +int uart_remove_one_port(struct uart_driver *drv, struct uart_port *uport) { - struct uart_state *state = drv->state + port->line; - struct uart_info *info; + struct uart_state *state = drv->state + uport->line; + struct tty_port *port = &state->port; BUG_ON(in_interrupt()); - if (state->port != port) + if (state->uart_port != uport) printk(KERN_ALERT "Removing wrong port: %p != %p\n", - state->port, port); + state->uart_port, uport); mutex_lock(&port_mutex); @@ -2502,37 +2522,35 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port) * Mark the port "dead" - this prevents any opens from * succeeding while we shut down the port. */ - mutex_lock(&state->mutex); - port->flags |= UPF_DEAD; - mutex_unlock(&state->mutex); + mutex_lock(&port->mutex); + uport->flags |= UPF_DEAD; + mutex_unlock(&port->mutex); /* * Remove the devices from the tty layer */ - tty_unregister_device(drv->tty_driver, port->line); + tty_unregister_device(drv->tty_driver, uport->line); - info = &state->info; - if (info && info->port.tty) - tty_vhangup(info->port.tty); + if (port->tty) + tty_vhangup(port->tty); /* * Free the port IO and memory resources, if any. */ - if (port->type != PORT_UNKNOWN) - port->ops->release_port(port); + if (uport->type != PORT_UNKNOWN) + uport->ops->release_port(uport); /* * Indicate that there isn't a port here anymore. */ - port->type = PORT_UNKNOWN; + uport->type = PORT_UNKNOWN; /* * Kill the tasklet, and free resources. */ - if (info) - tasklet_kill(&info->tlet); + tasklet_kill(&state->tlet); - state->port = NULL; + state->uart_port = NULL; mutex_unlock(&port_mutex); return 0; diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index ed4648b556c..a3bb49031a7 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -884,6 +884,7 @@ static struct pcmcia_device_id serial_ids[] = { PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */ PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */ PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "cis/MT5634ZLX.cis"), + PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-2", 0x96913a85, 0x27ab5437, "COMpad2.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "COMpad4.cis"), PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"), PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "cis/RS-COM-2P.cis"), diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c index 52db5cc3f90..2e71bbc04da 100644 --- a/drivers/serial/serial_ks8695.c +++ b/drivers/serial/serial_ks8695.c @@ -154,7 +154,7 @@ static void ks8695uart_disable_ms(struct uart_port *port) static irqreturn_t ks8695uart_rx_chars(int irq, void *dev_id) { struct uart_port *port = dev_id; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; unsigned int status, ch, lsr, flg, max_count = 256; status = UART_GET_LSR(port); /* clears pending LSR interrupts */ @@ -210,7 +210,7 @@ ignore_char: static irqreturn_t ks8695uart_tx_chars(int irq, void *dev_id) { struct uart_port *port = dev_id; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; unsigned int count; if (port->x_char) { @@ -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->info->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 a7bf024a828..ea744707c4d 100644 --- a/drivers/serial/serial_lh7a40x.c +++ b/drivers/serial/serial_lh7a40x.c @@ -138,7 +138,7 @@ static void lh7a40xuart_enable_ms (struct uart_port* port) static void lh7a40xuart_rx_chars (struct uart_port* port) { - struct tty_struct* tty = port->info->port.tty; + struct tty_struct* tty = port->state->port.tty; int cbRxMax = 256; /* (Gross) limit on receive */ unsigned int data; /* Received data and status */ unsigned int flag; @@ -184,7 +184,7 @@ static void lh7a40xuart_rx_chars (struct uart_port* port) static void lh7a40xuart_tx_chars (struct uart_port* port) { - struct circ_buf* xmit = &port->info->xmit; + struct circ_buf* xmit = &port->state->xmit; int cbTxMax = port->fifosize; if (port->x_char) { @@ -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->info->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/serial_txx9.c b/drivers/serial/serial_txx9.c index 54dd16d66a4..0f7cf4c453e 100644 --- a/drivers/serial/serial_txx9.c +++ b/drivers/serial/serial_txx9.c @@ -272,7 +272,7 @@ static void serial_txx9_initialize(struct uart_port *port) static inline void receive_chars(struct uart_txx9_port *up, unsigned int *status) { - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; unsigned char ch; unsigned int disr = *status; int max_count = 256; @@ -348,7 +348,7 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status) static inline void transmit_chars(struct uart_txx9_port *up) { - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; int count; if (up->port.x_char) { diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 32dc2fc50e6..85119fb7cb5 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -361,7 +361,7 @@ static inline int sci_rxroom(struct uart_port *port) static void sci_transmit_chars(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; unsigned int stopped = uart_tx_stopped(port); unsigned short status; unsigned short ctrl; @@ -426,7 +426,7 @@ static void sci_transmit_chars(struct uart_port *port) static inline void sci_receive_chars(struct uart_port *port) { struct sci_port *sci_port = to_sci_port(port); - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; int i, count, copied = 0; unsigned short status; unsigned char flag; @@ -546,7 +546,7 @@ static inline int sci_handle_errors(struct uart_port *port) { int copied = 0; unsigned short status = sci_in(port, SCxSR); - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; if (status & SCxSR_ORER(port)) { /* overrun error */ @@ -600,7 +600,7 @@ static inline int sci_handle_errors(struct uart_port *port) static inline int sci_handle_fifo_overrun(struct uart_port *port) { - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; int copied = 0; if (port->type != PORT_SCIF) @@ -623,7 +623,7 @@ static inline int sci_handle_breaks(struct uart_port *port) { int copied = 0; unsigned short status = sci_in(port, SCxSR); - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; struct sci_port *s = to_sci_port(port); if (uart_handle_break(port)) diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c index d5276c012f7..9794e0cd3dc 100644 --- a/drivers/serial/sn_console.c +++ b/drivers/serial/sn_console.c @@ -469,9 +469,9 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags) return; } - if (port->sc_port.info) { + if (port->sc_port.state) { /* The serial_core stuffs are initilized, use them */ - tty = port->sc_port.info->port.tty; + tty = port->sc_port.state->port.tty; } else { /* Not registered yet - can't pass to tty layer. */ @@ -550,9 +550,9 @@ static void sn_transmit_chars(struct sn_cons_port *port, int raw) BUG_ON(!port->sc_is_asynch); - if (port->sc_port.info) { + if (port->sc_port.state) { /* We're initilized, using serial core infrastructure */ - xmit = &port->sc_port.info->xmit; + xmit = &port->sc_port.state->xmit; } else { /* Probably sn_sal_switch_to_asynch has been run but serial core isn't * initilized yet. Just return. Writes are going through @@ -927,7 +927,7 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count) /* We can't look at the xmit buffer if we're not registered with serial core * yet. So only do the fancy recovery after registering */ - if (!port->sc_port.info) { + if (!port->sc_port.state) { /* Not yet registered with serial core - simple case */ puts_raw_fixed(port->sc_ops->sal_puts_raw, s, count); return; @@ -936,8 +936,8 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count) /* somebody really wants this output, might be an * oops, kdb, panic, etc. make sure they get it. */ if (spin_is_locked(&port->sc_port.lock)) { - int lhead = port->sc_port.info->xmit.head; - int ltail = port->sc_port.info->xmit.tail; + int lhead = port->sc_port.state->xmit.head; + int ltail = port->sc_port.state->xmit.tail; int counter, got_lock = 0; /* @@ -962,13 +962,13 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count) break; } else { /* still locked */ - if ((lhead != port->sc_port.info->xmit.head) + if ((lhead != port->sc_port.state->xmit.head) || (ltail != - port->sc_port.info->xmit.tail)) { + port->sc_port.state->xmit.tail)) { lhead = - port->sc_port.info->xmit.head; + port->sc_port.state->xmit.head; ltail = - port->sc_port.info->xmit.tail; + port->sc_port.state->xmit.tail; counter = 0; } } diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c index 1df5325faab..d548652dee5 100644 --- a/drivers/serial/sunhv.c +++ b/drivers/serial/sunhv.c @@ -184,8 +184,8 @@ static struct tty_struct *receive_chars(struct uart_port *port) { struct tty_struct *tty = NULL; - if (port->info != NULL) /* Unopened serial console */ - tty = port->info->port.tty; + if (port->state != NULL) /* Unopened serial console */ + tty = port->state->port.tty; if (sunhv_ops->receive_chars(port, tty)) sun_do_break(); @@ -197,10 +197,10 @@ static void transmit_chars(struct uart_port *port) { struct circ_buf *xmit; - if (!port->info) + if (!port->state) return; - xmit = &port->info->xmit; + xmit = &port->state->xmit; if (uart_circ_empty(xmit) || uart_tx_stopped(port)) return; diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index 0355efe115d..d1ad3412863 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -117,8 +117,8 @@ receive_chars(struct uart_sunsab_port *up, int count = 0; int i; - if (up->port.info != NULL) /* Unopened serial console */ - tty = up->port.info->port.tty; + if (up->port.state != NULL) /* Unopened serial console */ + tty = up->port.state->port.tty; /* Read number of BYTES (Character + Status) available. */ if (stat->sreg.isr0 & SAB82532_ISR0_RPF) { @@ -229,7 +229,7 @@ static void sunsab_tx_idle(struct uart_sunsab_port *); static void transmit_chars(struct uart_sunsab_port *up, union sab82532_irq_status *stat) { - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; int i; if (stat->sreg.isr1 & SAB82532_ISR1_ALLS) { @@ -297,7 +297,7 @@ static void check_status(struct uart_sunsab_port *up, up->port.icount.dsr++; } - wake_up_interruptible(&up->port.info->delta_msr_wait); + wake_up_interruptible(&up->port.state->port.delta_msr_wait); } static irqreturn_t sunsab_interrupt(int irq, void *dev_id) @@ -429,7 +429,7 @@ static void sunsab_tx_idle(struct uart_sunsab_port *up) static void sunsab_start_tx(struct uart_port *port) { struct uart_sunsab_port *up = (struct uart_sunsab_port *) port; - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; int i; up->interrupt_mask1 &= ~(SAB82532_IMR1_ALLS|SAB82532_IMR1_XPR); diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 47c6837850b..68d262b1574 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -311,7 +311,7 @@ static void sunsu_enable_ms(struct uart_port *port) static struct tty_struct * receive_chars(struct uart_sunsu_port *up, unsigned char *status) { - struct tty_struct *tty = up->port.info->port.tty; + struct tty_struct *tty = up->port.state->port.tty; unsigned char ch, flag; int max_count = 256; int saw_console_brk = 0; @@ -389,7 +389,7 @@ receive_chars(struct uart_sunsu_port *up, unsigned char *status) static void transmit_chars(struct uart_sunsu_port *up) { - struct circ_buf *xmit = &up->port.info->xmit; + struct circ_buf *xmit = &up->port.state->xmit; int count; if (up->port.x_char) { @@ -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.info->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 e09d3cebb4f..ef693ae22e7 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -328,9 +328,9 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, unsigned char ch, r1, flag; tty = NULL; - if (up->port.info != NULL && /* Unopened serial console */ - up->port.info->port.tty != NULL) /* Keyboard || mouse */ - tty = up->port.info->port.tty; + if (up->port.state != NULL && /* Unopened serial console */ + up->port.state->port.tty != NULL) /* Keyboard || mouse */ + tty = up->port.state->port.tty; for (;;) { @@ -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.info->delta_msr_wait); + wake_up_interruptible(&up->port.state->port.delta_msr_wait); } up->prev_status = status; @@ -501,9 +501,9 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up, return; } - if (up->port.info == NULL) + if (up->port.state == NULL) goto ack_tx_int; - xmit = &up->port.info->xmit; + xmit = &up->port.state->xmit; if (uart_circ_empty(xmit)) goto ack_tx_int; @@ -705,7 +705,7 @@ static void sunzilog_start_tx(struct uart_port *port) port->icount.tx++; port->x_char = 0; } else { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; writeb(xmit->buf[xmit->tail], &channel->data); ZSDELAY(); diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c index 063a313b755..34b31da01d0 100644 --- a/drivers/serial/timbuart.c +++ b/drivers/serial/timbuart.c @@ -77,7 +77,7 @@ static void timbuart_flush_buffer(struct uart_port *port) static void timbuart_rx_chars(struct uart_port *port) { - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; while (ioread32(port->membase + TIMBUART_ISR) & RXDP) { u8 ch = ioread8(port->membase + TIMBUART_RXFIFO); @@ -86,7 +86,7 @@ static void timbuart_rx_chars(struct uart_port *port) } spin_unlock(&port->lock); - tty_flip_buffer_push(port->info->port.tty); + tty_flip_buffer_push(port->state->port.tty); spin_lock(&port->lock); dev_dbg(port->dev, "%s - total read %d bytes\n", @@ -95,7 +95,7 @@ static void timbuart_rx_chars(struct uart_port *port) static void timbuart_tx_chars(struct uart_port *port) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; while (!(ioread32(port->membase + TIMBUART_ISR) & TXBF) && !uart_circ_empty(xmit)) { @@ -118,7 +118,7 @@ static void timbuart_handle_tx_port(struct uart_port *port, u32 isr, u32 *ier) { struct timbuart_port *uart = container_of(port, struct timbuart_port, port); - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; if (uart_circ_empty(xmit) || uart_tx_stopped(port)) return; @@ -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->info->delta_msr_wait); + wake_up_interruptible(&port->state->port.delta_msr_wait); } *ier |= CTS_DELTA; diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c index 3317148a4b9..377f2712289 100644 --- a/drivers/serial/uartlite.c +++ b/drivers/serial/uartlite.c @@ -75,7 +75,7 @@ static struct uart_port ulite_ports[ULITE_NR_UARTS]; static int ulite_receive(struct uart_port *port, int stat) { - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; unsigned char ch = 0; char flag = TTY_NORMAL; @@ -125,7 +125,7 @@ static int ulite_receive(struct uart_port *port, int stat) static int ulite_transmit(struct uart_port *port, int stat) { - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; if (stat & ULITE_STATUS_TXFULL) return 0; @@ -154,17 +154,22 @@ static int ulite_transmit(struct uart_port *port, int stat) static irqreturn_t ulite_isr(int irq, void *dev_id) { struct uart_port *port = dev_id; - int busy; + int busy, n = 0; do { int stat = readb(port->membase + ULITE_STATUS); busy = ulite_receive(port, stat); busy |= ulite_transmit(port, stat); + n++; } while (busy); - tty_flip_buffer_push(port->info->port.tty); - - return IRQ_HANDLED; + /* work done? */ + if (n > 1) { + tty_flip_buffer_push(port->state->port.tty); + return IRQ_HANDLED; + } else { + return IRQ_NONE; + } } static unsigned int ulite_tx_empty(struct uart_port *port) @@ -221,7 +226,7 @@ static int ulite_startup(struct uart_port *port) int ret; ret = request_irq(port->irq, ulite_isr, - IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "uartlite", port); + IRQF_SHARED | IRQF_SAMPLE_RANDOM, "uartlite", port); if (ret) return ret; diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c index e945e780b5c..0c08f286a2e 100644 --- a/drivers/serial/ucc_uart.c +++ b/drivers/serial/ucc_uart.c @@ -327,7 +327,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port) unsigned char *p; unsigned int count; struct uart_port *port = &qe_port->port; - struct circ_buf *xmit = &port->info->xmit; + struct circ_buf *xmit = &port->state->xmit; bdp = qe_port->rx_cur; @@ -466,7 +466,7 @@ static void qe_uart_int_rx(struct uart_qe_port *qe_port) int i; unsigned char ch, *cp; struct uart_port *port = &qe_port->port; - struct tty_struct *tty = port->info->port.tty; + struct tty_struct *tty = port->state->port.tty; struct qe_bd *bdp; u16 status; unsigned int flg; diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c index dac550e57c2..3beb6ab4fa6 100644 --- a/drivers/serial/vr41xx_siu.c +++ b/drivers/serial/vr41xx_siu.c @@ -318,7 +318,7 @@ static inline void receive_chars(struct uart_port *port, uint8_t *status) char flag; int max_count = RX_MAX_COUNT; - tty = port->info->port.tty; + tty = port->state->port.tty; lsr = *status; do { @@ -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->info->delta_msr_wait); + wake_up_interruptible(&port->state->port.delta_msr_wait); } static inline void transmit_chars(struct uart_port *port) @@ -394,7 +394,7 @@ static inline void transmit_chars(struct uart_port *port) struct circ_buf *xmit; int max_count = TX_MAX_COUNT; - xmit = &port->info->xmit; + xmit = &port->state->xmit; if (port->x_char) { siu_write(port, UART_TX, port->x_char); diff --git a/drivers/serial/zs.c b/drivers/serial/zs.c index d8c2809b1ab..1a7fd3e7031 100644 --- a/drivers/serial/zs.c +++ b/drivers/serial/zs.c @@ -602,12 +602,12 @@ static void zs_receive_chars(struct zs_port *zport) uart_insert_char(uport, status, Rx_OVR, ch, flag); } - tty_flip_buffer_push(uport->info->port.tty); + tty_flip_buffer_push(uport->state->port.tty); } static void zs_raw_transmit_chars(struct zs_port *zport) { - struct circ_buf *xmit = &zport->port.info->xmit; + struct circ_buf *xmit = &zport->port.state->xmit; /* XON/XOFF chars. */ if (zport->port.x_char) { @@ -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->info->delta_msr_wait); + wake_up_interruptible(&uport->state->port.delta_msr_wait); spin_lock(&scc->zlock); } |