X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fspecialix.c;h=7e1bd9562c2ac3c2e63b40fb50dc92019b5231f8;hb=cde49b058474ab3f7ff830283e5b538e8fbeefe5;hp=a1d303f9a33dd30fa2260b82cacf4fdf1fa78308;hpb=7691030bc9732f7d535522dda78cfdd36716def1;p=pandora-kernel.git

diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index a1d303f9a33d..7e1bd9562c2a 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -182,12 +182,6 @@ static int sx_poll = HZ;
 #define RS_EVENT_WRITE_WAKEUP	0
 
 static struct tty_driver *specialix_driver;
-static unsigned char * tmp_buf;
-
-static unsigned long baud_table[] =  {
-	0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
-	9600, 19200, 38400, 57600, 115200, 0,
-};
 
 static struct specialix_board sx_board[SX_NBOARD] =  {
 	{ 0, SX_IOBASE1,  9, },
@@ -201,7 +195,7 @@ static struct specialix_port sx_port[SX_NBOARD * SX_NPORT];
 
 #ifdef SPECIALIX_TIMER
 static struct timer_list missed_irq_timer;
-static irqreturn_t sx_interrupt(int irq, void * dev_id, struct pt_regs * regs);
+static irqreturn_t sx_interrupt(int irq, void * dev_id);
 #endif
 
 
@@ -898,7 +892,7 @@ static inline void sx_check_modem(struct specialix_board * bp)
 
 
 /* The main interrupt processing routine */
-static irqreturn_t sx_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t sx_interrupt(int irq, void *dev_id)
 {
 	unsigned char status;
 	unsigned char ack;
@@ -913,7 +907,7 @@ static irqreturn_t sx_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	spin_lock_irqsave(&bp->lock, flags);
 
 	dprintk (SX_DEBUG_FLOW, "enter %s port %d room: %ld\n", __FUNCTION__, port_No(sx_get_port(bp, "INT")), SERIAL_XMIT_SIZE - sx_get_port(bp, "ITN")->xmit_cnt - 1);
-	if (!bp || !(bp->flags & SX_BOARD_ACTIVE)) {
+	if (!(bp->flags & SX_BOARD_ACTIVE)) {
 		dprintk (SX_DEBUG_IRQ, "sx: False interrupt. irq %d.\n", irq);
 		spin_unlock_irqrestore(&bp->lock, flags);
 		func_exit();
@@ -1087,24 +1081,16 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
 		port->MSVR =  (sx_in(bp, CD186x_MSVR) & MSVR_RTS);
 	spin_unlock_irqrestore(&bp->lock, flags);
 	dprintk (SX_DEBUG_TERMIOS, "sx: got MSVR=%02x.\n", port->MSVR);
-	baud = C_BAUD(tty);
+	baud = tty_get_baud_rate(tty);
 
-	if (baud & CBAUDEX) {
-		baud &= ~CBAUDEX;
-		if (baud < 1 || baud > 2)
-			port->tty->termios->c_cflag &= ~CBAUDEX;
-		else
-			baud += 15;
-	}
-	if (baud == 15) {
+	if (baud == 38400) {
 		if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
-			baud ++;
+			baud = 57600;
 		if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
-			baud += 2;
+			baud = 115200;
 	}
 
-
-	if (!baud_table[baud]) {
+	if (!baud) {
 		/* Drop DTR & exit */
 		dprintk (SX_DEBUG_TERMIOS, "Dropping DTR...  Hmm....\n");
 		if (!SX_CRTSCTS (tty)) {
@@ -1134,7 +1120,7 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
 		                  "This is an untested option, please be carefull.\n",
 		                  port_No (port), tmp);
 	else
-		tmp = (((SX_OSCFREQ + baud_table[baud]/2) / baud_table[baud] +
+		tmp = (((SX_OSCFREQ + baud/2) / baud +
 		         CD186x_TPC/2) / CD186x_TPC);
 
 	if ((tmp < 0x10) && time_before(again, jiffies)) {
@@ -1159,11 +1145,9 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
 	sx_out(bp, CD186x_RBPRL, tmp & 0xff);
 	sx_out(bp, CD186x_TBPRL, tmp & 0xff);
 	spin_unlock_irqrestore(&bp->lock, flags);
-	if (port->custom_divisor) {
+	if (port->custom_divisor)
 		baud = (SX_OSCFREQ + port->custom_divisor/2) / port->custom_divisor;
-		baud = ( baud + 5 ) / 10;
-	} else
-		baud = (baud_table[baud] + 5) / 10;   /* Estimated CPS */
+	baud = (baud + 5) / 10;		/* Estimated CPS */
 
 	/* Two timer ticks seems enough to wakeup something like SLIP driver */
 	tmp = ((baud + HZ/2) / HZ) * 2 - CD186x_NFIFO;
@@ -1682,7 +1666,7 @@ static int sx_write(struct tty_struct * tty,
 
 	bp = port_Board(port);
 
-	if (!port->xmit_buf || !tmp_buf) {
+	if (!port->xmit_buf) {
 		func_exit();
 		return 0;
 	}
@@ -2372,7 +2356,7 @@ static void do_softint(void *private_)
 	func_exit();
 }
 
-static struct tty_operations sx_ops = {
+static const struct tty_operations sx_ops = {
 	.open  = sx_open,
 	.close = sx_close,
 	.write = sx_write,
@@ -2406,12 +2390,6 @@ static int sx_init_drivers(void)
 		return 1;
 	}
 
-	if (!(tmp_buf = (unsigned char *) get_zeroed_page(GFP_KERNEL))) {
-		printk(KERN_ERR "sx: Couldn't get free page.\n");
-		put_tty_driver(specialix_driver);
-		func_exit();
-		return 1;
-	}
 	specialix_driver->owner = THIS_MODULE;
 	specialix_driver->name = "ttyW";
 	specialix_driver->major = SPECIALIX_NORMAL_MAJOR;
@@ -2425,7 +2403,6 @@ static int sx_init_drivers(void)
 
 	if ((error = tty_register_driver(specialix_driver))) {
 		put_tty_driver(specialix_driver);
-		free_page((unsigned long)tmp_buf);
 		printk(KERN_ERR "sx: Couldn't register specialix IO8+ driver, error = %d\n",
 		       error);
 		func_exit();
@@ -2451,7 +2428,6 @@ static void sx_release_drivers(void)
 {
 	func_enter();
 
-	free_page((unsigned long)tmp_buf);
 	tty_unregister_driver(specialix_driver);
 	put_tty_driver(specialix_driver);
 	func_exit();