diff options
Diffstat (limited to 'drivers/serial/serial_txx9.c')
| -rw-r--r-- | drivers/serial/serial_txx9.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c index 0f7cf4c453e6..c50e9fbbf743 100644 --- a/drivers/serial/serial_txx9.c +++ b/drivers/serial/serial_txx9.c @@ -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); |