Merge master.kernel.org:/home/rmk/linux-2.6-serial

drivers/serial/8250.c

@@ -999,7 +999,10 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
 	serial_outp(up, UART_MCR, save_mcr);
 	serial8250_clear_fifos(up);
 	(void)serial_in(up, UART_RX);
-	serial_outp(up, UART_IER, 0);
+	if (up->capabilities & UART_CAP_UUE)
+		serial_outp(up, UART_IER, UART_IER_UUE);
+	else
+		serial_outp(up, UART_IER, 0);
 
  out:	
 	spin_unlock_irqrestore(&up->port.lock, flags);

drivers/serial/8250_pnp.c

@@ -323,6 +323,8 @@ static const struct pnp_device_id pnp_dev_table[] = {
 	{	"USR9180",		0	},
 	/* U.S. Robotics 56K Voice INT PnP*/
 	{	"USR9190",		0	},
+	/* HP Compaq Tablet PC tc1100 Wacom tablet */
+	{	"WACF005",		0	},
 	/* Rockwell's (PORALiNK) 33600 INT PNP */
 	{	"WCI0003",		0	},
 	/* Unkown PnP modems */

drivers/serial/dz.c

@@ -645,9 +645,9 @@ static void __init dz_init_ports(void)
 
 	if (mips_machtype == MACH_DS23100 ||
 	    mips_machtype == MACH_DS5100)
-		base = (unsigned long) KN01_DZ11_BASE;
+		base = CKSEG1ADDR(KN01_SLOT_BASE + KN01_DZ11);
 	else
-		base = (unsigned long) KN02_DZ11_BASE;
+		base = CKSEG1ADDR(KN02_SLOT_BASE + KN02_DZ11);
 
 	for (i = 0, dport = dz_ports; i < DZ_NB_PORT; i++, dport++) {
 		spin_lock_init(&dport->port.lock);

drivers/serial/mpc52xx_uart.c

@@ -725,7 +725,7 @@ mpc52xx_uart_probe(struct platform_device *dev)
 	int i, idx, ret;
 
 	/* Check validity & presence */
-	idx = pdev->id;
+	idx = dev->id;
 	if (idx < 0 || idx >= MPC52xx_PSC_MAXNUM)
 		return -EINVAL;
 
@@ -748,7 +748,7 @@ mpc52xx_uart_probe(struct platform_device *dev)
 	port->ops	= &mpc52xx_uart_ops;
 
 	/* Search for IRQ and mapbase */
-	for (i=0 ; i<pdev->num_resources ; i++, res++) {
+	for (i=0 ; i<dev->num_resources ; i++, res++) {
 		if (res->flags & IORESOURCE_MEM)
 			port->mapbase = res->start;
 		else if (res->flags & IORESOURCE_IRQ)

drivers/serial/sa1100.c

@@ -156,7 +156,7 @@ static void sa1100_stop_tx(struct uart_port *port)
 }
 
 /*
- * interrupts may not be disabled on entry
+ * port locked and interrupts disabled
  */
 static void sa1100_start_tx(struct uart_port *port)
 {
@@ -164,11 +164,9 @@ static void sa1100_start_tx(struct uart_port *port)
 	unsigned long flags;
 	u32 utcr3;
 
-	spin_lock_irqsave(&sport->port.lock, flags);
 	utcr3 = UART_GET_UTCR3(sport);
 	sport->port.read_status_mask |= UTSR0_TO_SM(UTSR0_TFS);
 	UART_PUT_UTCR3(sport, utcr3 | UTCR3_TIE);
-	spin_unlock_irqrestore(&sport->port.lock, flags);
 }
 
 /*

drivers/serial/serial_core.c

@@ -209,33 +209,45 @@ static void uart_shutdown(struct uart_state *state)
 	struct uart_info *info = state->info;
 	struct uart_port *port = state->port;
 
-	if (!(info->flags & UIF_INITIALIZED))
+	/*
-		return;
+	 * Set the TTY IO error marker
+	 */
+	if (info->tty)
+		set_bit(TTY_IO_ERROR, &info->tty->flags);
+
+	if (info->flags & UIF_INITIALIZED) {
+		info->flags &= ~UIF_INITIALIZED;
+
+		/*
+		 * Turn off DTR and RTS early.
+		 */
+		if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
+			uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
+
+		/*
+		 * clear delta_msr_wait queue to avoid mem leaks: we may free
+		 * the irq here so the queue might never be woken up.  Note
+		 * that we won't end up waiting on delta_msr_wait again since
+		 * any outstanding file descriptors should be pointing at
+		 * hung_up_tty_fops now.
+		 */
+		wake_up_interruptible(&info->delta_msr_wait);
+
+		/*
+		 * Free the IRQ and disable the port.
+		 */
+		port->ops->shutdown(port);
+
+		/*
+		 * Ensure that the IRQ handler isn't running on another CPU.
+		 */
+		synchronize_irq(port->irq);
+	}
 
 	/*
-	 * Turn off DTR and RTS early.
+	 * kill off our tasklet
 	 */
-	if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
+	tasklet_kill(&info->tlet);
-		uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
-
-	/*
-	 * clear delta_msr_wait queue to avoid mem leaks: we may free
-	 * the irq here so the queue might never be woken up.  Note
-	 * that we won't end up waiting on delta_msr_wait again since
-	 * any outstanding file descriptors should be pointing at
-	 * hung_up_tty_fops now.
-	 */
-	wake_up_interruptible(&info->delta_msr_wait);
-
-	/*
-	 * Free the IRQ and disable the port.
-	 */
-	port->ops->shutdown(port);
-
-	/*
-	 * Ensure that the IRQ handler isn't running on another CPU.
-	 */
-	synchronize_irq(port->irq);
 
 	/*
 	 * Free the transmit buffer page.
@@ -244,15 +256,6 @@ static void uart_shutdown(struct uart_state *state)
 		free_page((unsigned long)info->xmit.buf);
 		info->xmit.buf = NULL;
 	}
-
-	/*
-	 * kill off our tasklet
-	 */
-	tasklet_kill(&info->tlet);
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
-
-	info->flags &= ~UIF_INITIALIZED;
 }
 
 /**
@@ -1928,14 +1931,25 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
 
 	if (state->info && state->info->flags & UIF_INITIALIZED) {
 		struct uart_ops *ops = port->ops;
+		int ret;
 
 		ops->set_mctrl(port, 0);
-		ops->startup(port);
+		ret = ops->startup(port);
-		uart_change_speed(state, NULL);
+		if (ret == 0) {
-		spin_lock_irq(&port->lock);
+			uart_change_speed(state, NULL);
-		ops->set_mctrl(port, port->mctrl);
+			spin_lock_irq(&port->lock);
-		ops->start_tx(port);
+			ops->set_mctrl(port, port->mctrl);
-		spin_unlock_irq(&port->lock);
+			ops->start_tx(port);
+			spin_unlock_irq(&port->lock);
+		} else {
+			/*
+			 * Failed to resume - maybe hardware went away?
+			 * Clear the "initialized" flag so we won't try
+			 * to call the low level drivers shutdown method.
+			 */
+			state->info->flags &= ~UIF_INITIALIZED;
+			uart_shutdown(state);
+		}
 	}
 
 	up(&state->sem);