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serial_txx9: use container_of() instead of direct cast

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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Atsushi Nemoto 2009-10-01 15:44:22 -07:00 committed by Linus Torvalds
parent 00acfaeead
commit aa76224a38
1 changed files with 22 additions and 17 deletions
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39
drivers/serial/serial_txx9.c
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@ -221,21 +221,26 @@ sio_quot_set(struct uart_txx9_port *up, int quot)
sio_out(up, TXX9_SIBGR, 0xff | TXX9_SIBGR_BCLK_T6);
}
static struct uart_txx9_port *to_uart_txx9_port(struct uart_port *port)
{
return container_of(port, struct uart_txx9_port, port);
}
static void serial_txx9_stop_tx(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
sio_mask(up, TXX9_SIDICR, TXX9_SIDICR_TIE);
}
static void serial_txx9_start_tx(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
sio_set(up, TXX9_SIDICR, TXX9_SIDICR_TIE);
}
static void serial_txx9_stop_rx(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
up->port.read_status_mask &= ~TXX9_SIDISR_RDIS;
}
@ -246,7 +251,7 @@ static void serial_txx9_enable_ms(struct uart_port *port)
static void serial_txx9_initialize(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned int tmout = 10000;
sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST);
@ -414,7 +419,7 @@ static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id)
static unsigned int serial_txx9_tx_empty(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
unsigned int ret;
@ -427,7 +432,7 @@ static unsigned int serial_txx9_tx_empty(struct uart_port *port)
static unsigned int serial_txx9_get_mctrl(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned int ret;
/* no modem control lines */
@ -440,7 +445,7 @@ static unsigned int serial_txx9_get_mctrl(struct uart_port *port)
static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
if (mctrl & TIOCM_RTS)
sio_mask(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSSC);
@ -450,7 +455,7 @@ static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void serial_txx9_break_ctl(struct uart_port *port, int break_state)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
spin_lock_irqsave(&up->port.lock, flags);
@ -494,7 +499,7 @@ static int serial_txx9_get_poll_char(struct uart_port *port)
{
unsigned int ier;
unsigned char c;
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
/*
* First save the IER then disable the interrupts
@ -520,7 +525,7 @@ static int serial_txx9_get_poll_char(struct uart_port *port)
static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c)
{
unsigned int ier;
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
/*
* First save the IER then disable the interrupts
@ -551,7 +556,7 @@ static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c)
static int serial_txx9_startup(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
int retval;
@ -596,7 +601,7 @@ static int serial_txx9_startup(struct uart_port *port)
static void serial_txx9_shutdown(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned long flags;
/*
@ -636,7 +641,7 @@ static void
serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
unsigned int cval, fcr = 0;
unsigned long flags;
unsigned int baud, quot;
@ -814,19 +819,19 @@ static void serial_txx9_release_resource(struct uart_txx9_port *up)
static void serial_txx9_release_port(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
serial_txx9_release_resource(up);
}
static int serial_txx9_request_port(struct uart_port *port)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
return serial_txx9_request_resource(up);
}
static void serial_txx9_config_port(struct uart_port *port, int uflags)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
int ret;
/*
@ -897,7 +902,7 @@ static void __init serial_txx9_register_ports(struct uart_driver *drv,
static void serial_txx9_console_putchar(struct uart_port *port, int ch)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
struct uart_txx9_port *up = to_uart_txx9_port(port);
wait_for_xmitr(up);
sio_out(up, TXX9_SITFIFO, ch);