X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fserial%2Fimx.c;h=04cc88cc528cec7eb742eee9e5e952e3662be502;hb=d2eef1fc99640f7de302dcdbcfbdfcec2eef13f6;hp=4a142d6b8f3890aa11c0bc16b3978806e42bb539;hpb=b4b9034132c7e1e4474999e688dd7d03b7d97a99;p=powerpc.git

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 4a142d6b8f..04cc88cc52 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -154,7 +154,7 @@ static inline void imx_transmit_buffer(struct imx_port *sport)
 {
 	struct circ_buf *xmit = &sport->port.info->xmit;
 
-	do {
+	while (!(UTS((u32)sport->port.membase) & UTS_TXFULL)) {
 		/* send xmit->buf[xmit->tail]
 		 * out the port here */
 		URTX0((u32)sport->port.membase) = xmit->buf[xmit->tail];
@@ -163,7 +163,7 @@ static inline void imx_transmit_buffer(struct imx_port *sport)
 		sport->port.icount.tx++;
 		if (uart_circ_empty(xmit))
 			break;
-	} while (!(UTS((u32)sport->port.membase) & UTS_TXFULL));
+	}
 
 	if (uart_circ_empty(xmit))
 		imx_stop_tx(&sport->port);
@@ -178,11 +178,10 @@ static void imx_start_tx(struct uart_port *port)
 
 	UCR1((u32)sport->port.membase) |= UCR1_TXMPTYEN;
 
-	if(UTS((u32)sport->port.membase) & UTS_TXEMPTY)
-		imx_transmit_buffer(sport);
+	imx_transmit_buffer(sport);
 }
 
-static irqreturn_t imx_rtsint(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t imx_rtsint(int irq, void *dev_id)
 {
 	struct imx_port *sport = (struct imx_port *)dev_id;
 	unsigned int val = USR1((u32)sport->port.membase)&USR1_RTSS;
@@ -198,7 +197,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t imx_txint(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t imx_txint(int irq, void *dev_id)
 {
 	struct imx_port *sport = (struct imx_port *)dev_id;
 	struct circ_buf *xmit = &sport->port.info->xmit;
@@ -227,7 +226,7 @@ out:
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t imx_rxint(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t imx_rxint(int irq, void *dev_id)
 {
 	struct imx_port *sport = dev_id;
 	unsigned int rx,flg,ignored = 0;
@@ -248,7 +247,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id, struct pt_regs *regs)
 		}
 
 		if (uart_handle_sysrq_char
-		            (&sport->port, (unsigned char)rx, regs))
+		            (&sport->port, (unsigned char)rx))
 			goto ignore_char;
 
 		if( rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) )
@@ -404,7 +403,8 @@ static int imx_startup(struct uart_port *port)
 	if (retval) goto error_out2;
 
 	retval = request_irq(sport->rtsirq, imx_rtsint,
-			     IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+			     (sport->rtsirq < IMX_IRQS) ? 0 :
+			       IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 			     DRIVER_NAME, sport);
 	if (retval) goto error_out3;
 
@@ -459,8 +459,8 @@ static void imx_shutdown(struct uart_port *port)
 }
 
 static void
-imx_set_termios(struct uart_port *port, struct termios *termios,
-		   struct termios *old)
+imx_set_termios(struct uart_port *port, struct ktermios *termios,
+		   struct ktermios *old)
 {
 	struct imx_port *sport = (struct imx_port *)port;
 	unsigned long flags;
@@ -678,7 +678,7 @@ static struct imx_port imx_ports[] = {
 		.mapbase	= IMX_UART1_BASE, /* FIXME */
 		.irq		= UART1_MINT_RX,
 		.uartclk	= 16000000,
-		.fifosize	= 8,
+		.fifosize	= 32,
 		.flags		= UPF_BOOT_AUTOCONF,
 		.ops		= &imx_pops,
 		.line		= 0,
@@ -694,7 +694,7 @@ static struct imx_port imx_ports[] = {
 		.mapbase	= IMX_UART2_BASE, /* FIXME */
 		.irq		= UART2_MINT_RX,
 		.uartclk	= 16000000,
-		.fifosize	= 8,
+		.fifosize	= 32,
 		.flags		= UPF_BOOT_AUTOCONF,
 		.ops		= &imx_pops,
 		.line		= 1,