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| author | Fabian Frederick <fabf@skynet.be> | 2014-10-05 19:19:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-06 04:20:53 +0100 |
| commit | f9c1b28e8991d37df9d58026c7f7f882b7cfae23 (patch) | |
| tree | 4aaa87417d59a9cc039332753786824adabb73cc /drivers/tty/serial/ar933x_uart.c | |
| parent | serial: use container_of to resolve uart_sunzilog_port from uart_port (diff) | |
| download | linux-f9c1b28e8991d37df9d58026c7f7f882b7cfae23.tar.xz linux-f9c1b28e8991d37df9d58026c7f7f882b7cfae23.zip | |
tty: ar933x_uart: use container_of to resolve ar933x_uart_port from uart_port
Use container_of instead of casting first structure member.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/ar933x_uart.c')
| -rw-r--r-- | drivers/tty/serial/ar933x_uart.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c index 0be1c45efd65..2739361a86f1 100644 --- a/drivers/tty/serial/ar933x_uart.c +++ b/drivers/tty/serial/ar933x_uart.c @@ -119,7 +119,8 @@ static inline void ar933x_uart_putc(struct ar933x_uart_port *up, int ch) static unsigned int ar933x_uart_tx_empty(struct uart_port *port) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); unsigned long flags; unsigned int rdata; @@ -141,21 +142,24 @@ static void ar933x_uart_set_mctrl(struct uart_port *port, unsigned int mctrl) static void ar933x_uart_start_tx(struct uart_port *port) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); ar933x_uart_start_tx_interrupt(up); } static void ar933x_uart_stop_tx(struct uart_port *port) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); ar933x_uart_stop_tx_interrupt(up); } static void ar933x_uart_stop_rx(struct uart_port *port) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); up->ier &= ~AR933X_UART_INT_RX_VALID; ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier); @@ -163,7 +167,8 @@ static void ar933x_uart_stop_rx(struct uart_port *port) static void ar933x_uart_break_ctl(struct uart_port *port, int break_state) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); unsigned long flags; spin_lock_irqsave(&up->port.lock, flags); @@ -231,7 +236,8 @@ static void ar933x_uart_set_termios(struct uart_port *port, struct ktermios *new, struct ktermios *old) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); unsigned int cs; unsigned long flags; unsigned int baud, scale, step; @@ -404,7 +410,8 @@ static irqreturn_t ar933x_uart_interrupt(int irq, void *dev_id) static int ar933x_uart_startup(struct uart_port *port) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); unsigned long flags; int ret; @@ -430,7 +437,8 @@ static int ar933x_uart_startup(struct uart_port *port) static void ar933x_uart_shutdown(struct uart_port *port) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); /* Disable all interrupts */ up->ier = 0; @@ -468,7 +476,8 @@ static void ar933x_uart_config_port(struct uart_port *port, int flags) static int ar933x_uart_verify_port(struct uart_port *port, struct serial_struct *ser) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); if (ser->type != PORT_UNKNOWN && ser->type != PORT_AR933X) @@ -521,7 +530,8 @@ static void ar933x_uart_wait_xmitr(struct ar933x_uart_port *up) static void ar933x_uart_console_putchar(struct uart_port *port, int ch) { - struct ar933x_uart_port *up = (struct ar933x_uart_port *) port; + struct ar933x_uart_port *up = + container_of(port, struct ar933x_uart_port, port); ar933x_uart_wait_xmitr(up); ar933x_uart_putc(up, ch); |