1 files changed, 27 insertions, 67 deletions

diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index c65c49d..64ab004 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -49,44 +49,7 @@
 static char *serial_name = "SimSerial driver";
 static char *serial_version = "0.6";
 
-/*
- * This has been extracted from asm/serial.h. We need one eventually but
- * I don't know exactly what we're going to put in it so just fake one
- * for now.
- */
-#define BASE_BAUD ( 1843200 / 16 )
-
-#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
-
-/*
- * Most of the values here are meaningless to this particular driver.
- * However some values must be preserved for the code (leveraged from serial.c
- * to work correctly).
- * port must not be 0
- * type must not be UNKNOWN
- * So I picked arbitrary (guess from where?) values instead
- */
-static struct serial_state rs_table[NR_PORTS]={
-  /* UART CLK   PORT IRQ     FLAGS        */
-  { BASE_BAUD, 0x3F8, 0, STD_COM_FLAGS, PORT_16550 }  /* ttyS0 */
-};
-
-/*
- * Just for the fun of it !
- */
-static struct serial_uart_config uart_config[] = {
-	{ "unknown", 1, 0 },
-	{ "8250", 1, 0 },
-	{ "16450", 1, 0 },
-	{ "16550", 1, 0 },
-	{ "16550A", 16, UART_CLEAR_FIFO | UART_USE_FIFO },
-	{ "cirrus", 1, 0 },
-	{ "ST16650", 1, UART_CLEAR_FIFO | UART_STARTECH },
-	{ "ST16650V2", 32, UART_CLEAR_FIFO | UART_USE_FIFO |
-		  UART_STARTECH },
-	{ "TI16750", 64, UART_CLEAR_FIFO | UART_USE_FIFO},
-	{ NULL, 0}
-};
+static struct serial_state rs_table[NR_PORTS];
 
 struct tty_driver *hp_simserial_driver;
 
@@ -592,11 +555,6 @@ static int startup(struct tty_struct *tty, struct serial_state *state)
 		goto errout;
 	}
 
-	if (!state->port || !state->type) {
-		set_bit(TTY_IO_ERROR, &tty->flags);
-		free_page(page);
-		goto errout;
-	}
 	if (state->xmit.buf)
 		free_page(page);
 	else
@@ -725,9 +683,8 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
 
 static inline void line_info(struct seq_file *m, struct serial_state *state)
 {
-	seq_printf(m, "%d: uart:%s port:%lX irq:%d\n",
-		       state->line, uart_config[state->type].name,
-		       state->port, state->irq);
+	seq_printf(m, "%d: uart:16550 port:3F8 irq:%d\n",
+		       state->line, state->irq);
 }
 
 static int rs_proc_show(struct seq_file *m, void *v)
@@ -796,11 +753,10 @@ static const struct tty_operations hp_ops = {
 /*
  * The serial driver boot-time initialization code!
  */
-static int __init
-simrs_init (void)
+static int __init simrs_init(void)
 {
-	int			i, rc;
-	struct serial_state	*state;
+	struct serial_state *state;
+	int retval;
 
 	if (!ia64_platform_is("hpsim"))
 		return -ENODEV;
@@ -828,29 +784,33 @@ simrs_init (void)
 	/*
 	 * Let's have a little bit of fun !
 	 */
-	for (i = 0, state = rs_table; i < NR_PORTS; i++,state++) {
-		tty_port_init(&state->tport);
-		state->tport.close_delay = 0; /* XXX really 0? */
+	state = rs_table;
+	tty_port_init(&state->tport);
+	state->tport.close_delay = 0; /* XXX really 0? */
+
+	retval = hpsim_get_irq(KEYBOARD_INTR);
+	if (retval < 0) {
+		printk(KERN_ERR "%s: out of interrupt vectors!\n",
+				__func__);
+		goto err_free_tty;
+	}
 
-		if (state->type == PORT_UNKNOWN) continue;
+	state->irq = retval;
 
-		if (!state->irq) {
-			if ((rc = hpsim_get_irq(KEYBOARD_INTR)) < 0)
-				panic("%s: out of interrupt vectors!\n",
-				      __func__);
-			state->irq = rc;
-		}
+	/* the port is imaginary */
+	printk(KERN_INFO "ttyS%d at 0x03f8 (irq = %d) is a 16550\n",
+			state->line, state->irq);
 
-		printk(KERN_INFO "ttyS%d at 0x%04lx (irq = %d) is a %s\n",
-		       state->line,
-		       state->port, state->irq,
-		       uart_config[state->type].name);
+	retval = tty_register_driver(hp_simserial_driver);
+	if (retval) {
+		printk(KERN_ERR "Couldn't register simserial driver\n");
+		goto err_free_tty;
 	}
 
-	if (tty_register_driver(hp_simserial_driver))
-		panic("Couldn't register simserial driver\n");
-
 	return 0;
+err_free_tty:
+	put_tty_driver(hp_simserial_driver);
+	return retval;
 }
 
 #ifndef MODULE