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path: root/drivers/serial/mcf.c
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Diffstat (limited to 'drivers/serial/mcf.c')
-rw-r--r--drivers/serial/mcf.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index a7d4360ea7df..e76fc72c9b36 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) {
@@ -319,7 +319,7 @@ static void mcf_rx_chars(struct mcf_uart *pp)
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)