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serial: sunsu: use container_of to resolve uart_sunsu_port from uart_port

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Use container_of instead of casting first structure member.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fabian Frederick 2014-10-05 19:01:09 +02:00 committed by Greg Kroah-Hartman
parent edb20c7aa5
commit 9a6962c531
1 changed files with 26 additions and 13 deletions
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39
drivers/tty/serial/sunsu.c
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@ -264,7 +264,8 @@ static inline void __stop_tx(struct uart_sunsu_port *p)
static void sunsu_stop_tx(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
__stop_tx(up);
@ -279,7 +280,8 @@ static void sunsu_stop_tx(struct uart_port *port)
static void sunsu_start_tx(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
if (!(up->ier & UART_IER_THRI)) {
up->ier |= UART_IER_THRI;
@ -297,7 +299,8 @@ static void sunsu_start_tx(struct uart_port *port)
static void sunsu_stop_rx(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
up->ier &= ~UART_IER_RLSI;
up->port.read_status_mask &= ~UART_LSR_DR;
@ -306,7 +309,8 @@ static void sunsu_stop_rx(struct uart_port *port)
static void sunsu_enable_ms(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
spin_lock_irqsave(&up->port.lock, flags);
@ -543,7 +547,8 @@ static irqreturn_t sunsu_kbd_ms_interrupt(int irq, void *dev_id)
static unsigned int sunsu_tx_empty(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
unsigned int ret;
@ -556,7 +561,8 @@ static unsigned int sunsu_tx_empty(struct uart_port *port)
static unsigned int sunsu_get_mctrl(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned char status;
unsigned int ret;
@ -576,7 +582,8 @@ static unsigned int sunsu_get_mctrl(struct uart_port *port)
static void sunsu_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned char mcr = 0;
if (mctrl & TIOCM_RTS)
@ -595,7 +602,8 @@ static void sunsu_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void sunsu_break_ctl(struct uart_port *port, int break_state)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
spin_lock_irqsave(&up->port.lock, flags);
@ -609,7 +617,8 @@ static void sunsu_break_ctl(struct uart_port *port, int break_state)
static int sunsu_startup(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
int retval;
@ -719,7 +728,8 @@ static int sunsu_startup(struct uart_port *port)
static void sunsu_shutdown(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
/*
@ -767,7 +777,8 @@ static void
sunsu_change_speed(struct uart_port *port, unsigned int cflag,
unsigned int iflag, unsigned int quot)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
unsigned char cval, fcr = 0;
unsigned long flags;
@ -918,7 +929,8 @@ static int sunsu_request_port(struct uart_port *port)
static void sunsu_config_port(struct uart_port *port, int flags)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
if (flags & UART_CONFIG_TYPE) {
/*
@ -1277,7 +1289,8 @@ static __inline__ void wait_for_xmitr(struct uart_sunsu_port *up)
static void sunsu_console_putchar(struct uart_port *port, int ch)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *)port;
struct uart_sunsu_port *up =
container_of(port, struct uart_sunsu_port, port);
wait_for_xmitr(up);
serial_out(up, UART_TX, ch);