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Merge master.kernel.org:/home/rmk/linux-2.6-serial
This commit is contained in:
Linus Torvalds
commit
7f729ccff3
@ -999,7 +999,10 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
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serial_outp(up, UART_MCR, save_mcr);
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serial8250_clear_fifos(up);
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(void)serial_in(up, UART_RX);
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serial_outp(up, UART_IER, 0);
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if (up->capabilities & UART_CAP_UUE)
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serial_outp(up, UART_IER, UART_IER_UUE);
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else
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serial_outp(up, UART_IER, 0);
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out:
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spin_unlock_irqrestore(&up->port.lock, flags);
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@ -323,6 +323,8 @@ static const struct pnp_device_id pnp_dev_table[] = {
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{ "USR9180", 0 },
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/* U.S. Robotics 56K Voice INT PnP*/
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{ "USR9190", 0 },
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/* HP Compaq Tablet PC tc1100 Wacom tablet */
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{ "WACF005", 0 },
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/* Rockwell's (PORALiNK) 33600 INT PNP */
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{ "WCI0003", 0 },
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/* Unkown PnP modems */
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@ -1,9 +1,9 @@
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/*
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* dz.c: Serial port driver for DECStations equiped
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* dz.c: Serial port driver for DECStations equiped
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* with the DZ chipset.
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*
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* Copyright (C) 1998 Olivier A. D. Lebaillif
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*
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* Copyright (C) 1998 Olivier A. D. Lebaillif
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*
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* Email: olivier.lebaillif@ifrsys.com
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*
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* [31-AUG-98] triemer
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@ -11,14 +11,14 @@
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* removed base_addr code - moving address assignment to setup.c
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* Changed name of dz_init to rs_init to be consistent with tc code
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* [13-NOV-98] triemer fixed code to receive characters
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* after patches by harald to irq code.
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* after patches by harald to irq code.
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* [09-JAN-99] triemer minor fix for schedule - due to removal of timeout
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* field from "current" - somewhere between 2.1.121 and 2.1.131
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Qua Jun 27 15:02:26 BRT 2001
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* [27-JUN-2001] Arnaldo Carvalho de Melo <acme@conectiva.com.br> - cleanups
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*
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* Parts (C) 1999 David Airlie, airlied@linux.ie
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* [07-SEP-99] Bugfixes
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*
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* Parts (C) 1999 David Airlie, airlied@linux.ie
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* [07-SEP-99] Bugfixes
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*
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* [06-Jan-2002] Russell King <rmk@arm.linux.org.uk>
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* Converted to new serial core
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@ -64,7 +64,7 @@ static struct dz_port dz_ports[DZ_NB_PORT];
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#ifdef DEBUG_DZ
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/*
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* debugging code to send out chars via prom
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* debugging code to send out chars via prom
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*/
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static void debug_console(const char *s, int count)
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{
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@ -82,7 +82,7 @@ static void debug_console(const char *s, int count)
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* ------------------------------------------------------------
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* dz_in () and dz_out ()
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*
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* These routines are used to access the registers of the DZ
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* These routines are used to access the registers of the DZ
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* chip, hiding relocation differences between implementation.
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* ------------------------------------------------------------
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*/
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@ -106,8 +106,8 @@ static inline void dz_out(struct dz_port *dport, unsigned offset,
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* ------------------------------------------------------------
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* rs_stop () and rs_start ()
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*
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* These routines are called before setting or resetting
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* tty->stopped. They enable or disable transmitter interrupts,
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* These routines are called before setting or resetting
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* tty->stopped. They enable or disable transmitter interrupts,
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* as necessary.
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* ------------------------------------------------------------
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*/
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@ -156,17 +156,17 @@ static void dz_enable_ms(struct uart_port *port)
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/*
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* ------------------------------------------------------------
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* Here starts the interrupt handling routines. All of the
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* following subroutines are declared as inline and are folded
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* into dz_interrupt. They were separated out for readability's
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* sake.
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* Here starts the interrupt handling routines. All of the
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* following subroutines are declared as inline and are folded
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* into dz_interrupt. They were separated out for readability's
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* sake.
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*
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* Note: rs_interrupt() is a "fast" interrupt, which means that it
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* runs with interrupts turned off. People who may want to modify
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* rs_interrupt() should try to keep the interrupt handler as fast as
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* possible. After you are done making modifications, it is not a bad
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* idea to do:
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*
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*
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* make drivers/serial/dz.s
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*
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* and look at the resulting assemble code in dz.s.
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@ -403,7 +403,7 @@ static void dz_set_mctrl(struct uart_port *uport, unsigned int mctrl)
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* startup ()
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*
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* various initialization tasks
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* -------------------------------------------------------------------
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* -------------------------------------------------------------------
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*/
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static int dz_startup(struct uart_port *uport)
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{
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@ -430,13 +430,13 @@ static int dz_startup(struct uart_port *uport)
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return 0;
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}
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/*
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/*
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* -------------------------------------------------------------------
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* shutdown ()
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*
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* This routine will shutdown a serial port; interrupts are disabled, and
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* DTR is dropped if the hangup on close termio flag is on.
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* -------------------------------------------------------------------
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* -------------------------------------------------------------------
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*/
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static void dz_shutdown(struct uart_port *uport)
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{
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@ -451,7 +451,7 @@ static void dz_shutdown(struct uart_port *uport)
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* release the bus after transmitting. This must be done when
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* the transmit shift register is empty, not be done when the
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* transmit holding register is empty. This functionality
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* allows an RS485 driver to be written in user space.
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* allows an RS485 driver to be written in user space.
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*/
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static unsigned int dz_tx_empty(struct uart_port *uport)
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{
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@ -645,9 +645,9 @@ static void __init dz_init_ports(void)
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if (mips_machtype == MACH_DS23100 ||
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mips_machtype == MACH_DS5100)
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base = (unsigned long) KN01_DZ11_BASE;
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base = CKSEG1ADDR(KN01_SLOT_BASE + KN01_DZ11);
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else
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base = (unsigned long) KN02_DZ11_BASE;
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base = CKSEG1ADDR(KN02_SLOT_BASE + KN02_DZ11);
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for (i = 0, dport = dz_ports; i < DZ_NB_PORT; i++, dport++) {
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spin_lock_init(&dport->port.lock);
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@ -695,13 +695,13 @@ static void dz_console_put_char(struct dz_port *dport, unsigned char ch)
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spin_unlock_irqrestore(&dport->port.lock, flags);
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}
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/*
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/*
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* -------------------------------------------------------------------
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* dz_console_print ()
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*
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* dz_console_print is registered for printk.
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* The console must be locked when we get here.
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* -------------------------------------------------------------------
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* -------------------------------------------------------------------
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*/
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static void dz_console_print(struct console *cons,
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const char *str,
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@ -725,7 +725,7 @@ mpc52xx_uart_probe(struct platform_device *dev)
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int i, idx, ret;
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/* Check validity & presence */
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idx = pdev->id;
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idx = dev->id;
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if (idx < 0 || idx >= MPC52xx_PSC_MAXNUM)
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return -EINVAL;
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@ -748,7 +748,7 @@ mpc52xx_uart_probe(struct platform_device *dev)
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port->ops = &mpc52xx_uart_ops;
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/* Search for IRQ and mapbase */
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for (i=0 ; i<pdev->num_resources ; i++, res++) {
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for (i=0 ; i<dev->num_resources ; i++, res++) {
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if (res->flags & IORESOURCE_MEM)
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port->mapbase = res->start;
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else if (res->flags & IORESOURCE_IRQ)
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@ -156,7 +156,7 @@ static void sa1100_stop_tx(struct uart_port *port)
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}
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/*
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* interrupts may not be disabled on entry
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* port locked and interrupts disabled
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*/
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static void sa1100_start_tx(struct uart_port *port)
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{
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@ -164,11 +164,9 @@ static void sa1100_start_tx(struct uart_port *port)
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unsigned long flags;
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u32 utcr3;
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spin_lock_irqsave(&sport->port.lock, flags);
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utcr3 = UART_GET_UTCR3(sport);
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sport->port.read_status_mask |= UTSR0_TO_SM(UTSR0_TFS);
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UART_PUT_UTCR3(sport, utcr3 | UTCR3_TIE);
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spin_unlock_irqrestore(&sport->port.lock, flags);
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}
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/*
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@ -209,33 +209,45 @@ static void uart_shutdown(struct uart_state *state)
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struct uart_info *info = state->info;
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struct uart_port *port = state->port;
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if (!(info->flags & UIF_INITIALIZED))
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return;
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/*
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* Set the TTY IO error marker
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*/
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if (info->tty)
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set_bit(TTY_IO_ERROR, &info->tty->flags);
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if (info->flags & UIF_INITIALIZED) {
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info->flags &= ~UIF_INITIALIZED;
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/*
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* Turn off DTR and RTS early.
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*/
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if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
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uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
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/*
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* clear delta_msr_wait queue to avoid mem leaks: we may free
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* the irq here so the queue might never be woken up. Note
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* that we won't end up waiting on delta_msr_wait again since
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* any outstanding file descriptors should be pointing at
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* hung_up_tty_fops now.
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*/
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wake_up_interruptible(&info->delta_msr_wait);
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/*
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* Free the IRQ and disable the port.
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*/
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port->ops->shutdown(port);
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/*
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* Ensure that the IRQ handler isn't running on another CPU.
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*/
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synchronize_irq(port->irq);
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}
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/*
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* Turn off DTR and RTS early.
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* kill off our tasklet
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*/
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if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
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uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
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/*
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* clear delta_msr_wait queue to avoid mem leaks: we may free
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* the irq here so the queue might never be woken up. Note
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* that we won't end up waiting on delta_msr_wait again since
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* any outstanding file descriptors should be pointing at
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* hung_up_tty_fops now.
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*/
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wake_up_interruptible(&info->delta_msr_wait);
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/*
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* Free the IRQ and disable the port.
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*/
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port->ops->shutdown(port);
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/*
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* Ensure that the IRQ handler isn't running on another CPU.
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*/
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synchronize_irq(port->irq);
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tasklet_kill(&info->tlet);
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/*
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* Free the transmit buffer page.
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@ -244,15 +256,6 @@ static void uart_shutdown(struct uart_state *state)
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free_page((unsigned long)info->xmit.buf);
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info->xmit.buf = NULL;
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}
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/*
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* kill off our tasklet
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*/
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tasklet_kill(&info->tlet);
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if (info->tty)
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set_bit(TTY_IO_ERROR, &info->tty->flags);
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info->flags &= ~UIF_INITIALIZED;
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}
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/**
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@ -1928,14 +1931,25 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
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if (state->info && state->info->flags & UIF_INITIALIZED) {
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struct uart_ops *ops = port->ops;
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int ret;
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ops->set_mctrl(port, 0);
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ops->startup(port);
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uart_change_speed(state, NULL);
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spin_lock_irq(&port->lock);
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ops->set_mctrl(port, port->mctrl);
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ops->start_tx(port);
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spin_unlock_irq(&port->lock);
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ret = ops->startup(port);
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if (ret == 0) {
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uart_change_speed(state, NULL);
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spin_lock_irq(&port->lock);
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ops->set_mctrl(port, port->mctrl);
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ops->start_tx(port);
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spin_unlock_irq(&port->lock);
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} else {
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/*
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* Failed to resume - maybe hardware went away?
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* Clear the "initialized" flag so we won't try
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* to call the low level drivers shutdown method.
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*/
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state->info->flags &= ~UIF_INITIALIZED;
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uart_shutdown(state);
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}
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}
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up(&state->sem);
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