X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fserial%2Fmcf.c;h=b2001c5b145cb9a0efc8a2a1ef9aec255929cd15;hb=04489eeb02a40bc15029886cef7285ada3ab0de6;hp=a7d4360ea7df4957ba3fe6df381b1a6631951795;hpb=41f81e88e01eb959f439f8537c58078e4bfc5291;p=linux-2.6

diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index a7d4360ea7..b2001c5b14 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -69,7 +69,7 @@ static unsigned int mcf_tx_empty(struct uart_port *port)
 
 static unsigned int mcf_get_mctrl(struct uart_port *port)
 {
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned long flags;
 	unsigned int sigs;
 
@@ -87,7 +87,7 @@ static unsigned int mcf_get_mctrl(struct uart_port *port)
 
 static void mcf_set_mctrl(struct uart_port *port, unsigned int sigs)
 {
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned long flags;
 
 	spin_lock_irqsave(&port->lock, flags);
@@ -104,7 +104,7 @@ static void mcf_set_mctrl(struct uart_port *port, unsigned int sigs)
 
 static void mcf_start_tx(struct uart_port *port)
 {
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned long flags;
 
 	spin_lock_irqsave(&port->lock, flags);
@@ -117,7 +117,7 @@ static void mcf_start_tx(struct uart_port *port)
 
 static void mcf_stop_tx(struct uart_port *port)
 {
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned long flags;
 
 	spin_lock_irqsave(&port->lock, flags);
@@ -130,7 +130,7 @@ static void mcf_stop_tx(struct uart_port *port)
 
 static void mcf_stop_rx(struct uart_port *port)
 {
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned long flags;
 
 	spin_lock_irqsave(&port->lock, flags);
@@ -163,7 +163,7 @@ static void mcf_enable_ms(struct uart_port *port)
 
 static int mcf_startup(struct uart_port *port)
 {
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned long flags;
 
 	spin_lock_irqsave(&port->lock, flags);
@@ -189,7 +189,7 @@ static int mcf_startup(struct uart_port *port)
 
 static void mcf_shutdown(struct uart_port *port)
 {
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned long flags;
 
 	spin_lock_irqsave(&port->lock, flags);
@@ -273,7 +273,7 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios,
 
 static void mcf_rx_chars(struct mcf_uart *pp)
 {
-	struct uart_port *port = (struct uart_port *) pp;
+	struct uart_port *port = &pp->port;
 	unsigned char status, ch, flag;
 
 	while ((status = readb(port->membase + MCFUART_USR)) & MCFUART_USR_RXREADY) {
@@ -312,14 +312,14 @@ static void mcf_rx_chars(struct mcf_uart *pp)
 		uart_insert_char(port, status, MCFUART_USR_RXOVERRUN, ch, flag);
 	}
 
-	tty_flip_buffer_push(port->info->tty);
+	tty_flip_buffer_push(port->info->port.tty);
 }
 
 /****************************************************************************/
 
 static void mcf_tx_chars(struct mcf_uart *pp)
 {
-	struct uart_port *port = (struct uart_port *) pp;
+	struct uart_port *port = &pp->port;
 	struct circ_buf *xmit = &port->info->xmit;
 
 	if (port->x_char) {
@@ -352,7 +352,7 @@ static void mcf_tx_chars(struct mcf_uart *pp)
 static irqreturn_t mcf_interrupt(int irq, void *data)
 {
 	struct uart_port *port = data;
-	struct mcf_uart *pp = (struct mcf_uart *) port;
+	struct mcf_uart *pp = container_of(port, struct mcf_uart, port);
 	unsigned int isr;
 
 	isr = readb(port->membase + MCFUART_UISR) & pp->imr;
@@ -434,7 +434,7 @@ static struct uart_ops mcf_uart_ops = {
 
 static struct mcf_uart mcf_ports[3];
 
-#define	MCF_MAXPORTS	(sizeof(mcf_ports) / sizeof(struct mcf_uart))
+#define	MCF_MAXPORTS	ARRAY_SIZE(mcf_ports)
 
 /****************************************************************************/
 #if defined(CONFIG_SERIAL_MCF_CONSOLE)
@@ -649,5 +649,6 @@ module_exit(mcf_exit);
 MODULE_AUTHOR("Greg Ungerer <gerg@snapgear.com>");
 MODULE_DESCRIPTION("Freescale ColdFire UART driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mcfuart");
 
 /****************************************************************************/