diff options
| author | Fabian Frederick <fabf@skynet.be> | 2014-10-05 19:19:48 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-05 19:20:53 -0800 |
| commit | 6f414130e8605920d78827e2bbf79a5ce7d25e4a (patch) | |
| tree | 2b9add3853c3cf925e1ba6dec8ca585f2c52c73b | |
| parent | afc5438b4cc1082fc1ad6b729b15d26d327e70f2 (diff) | |
serial: use container_of to resolve uart_sunzilog_port from uart_port
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>
| -rw-r--r-- | drivers/tty/serial/sunzilog.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index 02df3940b95e..844aae7683cc 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -644,7 +644,8 @@ static unsigned int sunzilog_get_mctrl(struct uart_port *port) /* The port lock is held and interrupts are disabled. */ static void sunzilog_set_mctrl(struct uart_port *port, unsigned int mctrl) { - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char set_bits, clear_bits; @@ -668,7 +669,8 @@ static void sunzilog_set_mctrl(struct uart_port *port, unsigned int mctrl) /* The port lock is held and interrupts are disabled. */ static void sunzilog_stop_tx(struct uart_port *port) { - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); up->flags |= SUNZILOG_FLAG_TX_STOPPED; } @@ -676,7 +678,8 @@ static void sunzilog_stop_tx(struct uart_port *port) /* The port lock is held and interrupts are disabled. */ static void sunzilog_start_tx(struct uart_port *port) { - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char status; @@ -736,7 +739,8 @@ static void sunzilog_stop_rx(struct uart_port *port) /* The port lock is held. */ static void sunzilog_enable_ms(struct uart_port *port) { - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char new_reg; @@ -752,7 +756,8 @@ static void sunzilog_enable_ms(struct uart_port *port) /* The port lock is not held. */ static void sunzilog_break_ctl(struct uart_port *port, int break_state) { - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char set_bits, clear_bits, new_reg; unsigned long flags; @@ -938,7 +943,8 @@ static void sunzilog_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); unsigned long flags; int baud, brg; @@ -998,7 +1004,8 @@ static int sunzilog_verify_port(struct uart_port *port, struct serial_struct *se static int sunzilog_get_poll_char(struct uart_port *port) { unsigned char ch, r1; - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(&up->port); @@ -1032,7 +1039,8 @@ static int sunzilog_get_poll_char(struct uart_port *port) static void sunzilog_put_poll_char(struct uart_port *port, unsigned char ch) { - struct uart_sunzilog_port *up = (struct uart_sunzilog_port *)port; + struct uart_sunzilog_port *up = + container_of(port, struct uart_sunzilog_port, port); sunzilog_putchar(&up->port, ch); } |