diff options
| author | Fabian Frederick <fabf@skynet.be> | 2014-10-05 19:01:04 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-05 19:20:52 -0800 |
| commit | 2413b320625f0c8d5292f417923326177691b09b (patch) | |
| tree | 47b18c66937523d293eb96f9ce639d10c18bcda4 /drivers/tty/serial/ip22zilog.c | |
| parent | c9db776b57d84588688f29f0ba11cfd00a227254 (diff) | |
serial: use container_of to resolve uart_ip22zilog_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/ip22zilog.c')
| -rw-r--r-- | drivers/tty/serial/ip22zilog.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c index 99b7b869786..991e6dce916 100644 --- a/drivers/tty/serial/ip22zilog.c +++ b/drivers/tty/serial/ip22zilog.c @@ -544,7 +544,8 @@ static unsigned int ip22zilog_get_mctrl(struct uart_port *port) /* The port lock is held and interrupts are disabled. */ static void ip22zilog_set_mctrl(struct uart_port *port, unsigned int mctrl) { - struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port; + struct uart_ip22zilog_port *up = + container_of(port, struct uart_ip22zilog_port, port); struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char set_bits, clear_bits; @@ -568,7 +569,8 @@ static void ip22zilog_set_mctrl(struct uart_port *port, unsigned int mctrl) /* The port lock is held and interrupts are disabled. */ static void ip22zilog_stop_tx(struct uart_port *port) { - struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port; + struct uart_ip22zilog_port *up = + container_of(port, struct uart_ip22zilog_port, port); up->flags |= IP22ZILOG_FLAG_TX_STOPPED; } @@ -576,7 +578,8 @@ static void ip22zilog_stop_tx(struct uart_port *port) /* The port lock is held and interrupts are disabled. */ static void ip22zilog_start_tx(struct uart_port *port) { - struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port; + struct uart_ip22zilog_port *up = + container_of(port, struct uart_ip22zilog_port, port); struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char status; @@ -636,7 +639,8 @@ static void ip22zilog_stop_rx(struct uart_port *port) /* The port lock is held. */ static void ip22zilog_enable_ms(struct uart_port *port) { - struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port; + struct uart_ip22zilog_port *up = + container_of(port, struct uart_ip22zilog_port, port); struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char new_reg; @@ -652,7 +656,8 @@ static void ip22zilog_enable_ms(struct uart_port *port) /* The port lock is not held. */ static void ip22zilog_break_ctl(struct uart_port *port, int break_state) { - struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port; + struct uart_ip22zilog_port *up = + container_of(port, struct uart_ip22zilog_port, port); struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port); unsigned char set_bits, clear_bits, new_reg; unsigned long flags; @@ -873,7 +878,8 @@ static void ip22zilog_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { - struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port; + struct uart_ip22zilog_port *up = + container_of(port, struct uart_ip22zilog_port, port); unsigned long flags; int baud, brg; |