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>
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c9db776b57
Коммит
2413b32062
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@ -544,7 +544,8 @@ static unsigned int ip22zilog_get_mctrl(struct uart_port *port)
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/* The port lock is held and interrupts are disabled. */
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static void ip22zilog_set_mctrl(struct uart_port *port, unsigned int mctrl)
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{
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struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port;
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struct uart_ip22zilog_port *up =
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container_of(port, struct uart_ip22zilog_port, port);
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struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
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unsigned char set_bits, clear_bits;
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@ -568,7 +569,8 @@ static void ip22zilog_set_mctrl(struct uart_port *port, unsigned int mctrl)
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/* The port lock is held and interrupts are disabled. */
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static void ip22zilog_stop_tx(struct uart_port *port)
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{
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struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port;
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struct uart_ip22zilog_port *up =
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container_of(port, struct uart_ip22zilog_port, port);
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up->flags |= IP22ZILOG_FLAG_TX_STOPPED;
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}
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@ -576,7 +578,8 @@ static void ip22zilog_stop_tx(struct uart_port *port)
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/* The port lock is held and interrupts are disabled. */
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static void ip22zilog_start_tx(struct uart_port *port)
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{
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struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port;
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struct uart_ip22zilog_port *up =
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container_of(port, struct uart_ip22zilog_port, port);
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struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
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unsigned char status;
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@ -636,7 +639,8 @@ static void ip22zilog_stop_rx(struct uart_port *port)
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/* The port lock is held. */
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static void ip22zilog_enable_ms(struct uart_port *port)
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{
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struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port;
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struct uart_ip22zilog_port *up =
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container_of(port, struct uart_ip22zilog_port, port);
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struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
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unsigned char new_reg;
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@ -652,7 +656,8 @@ static void ip22zilog_enable_ms(struct uart_port *port)
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/* The port lock is not held. */
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static void ip22zilog_break_ctl(struct uart_port *port, int break_state)
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{
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struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port;
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struct uart_ip22zilog_port *up =
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container_of(port, struct uart_ip22zilog_port, port);
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struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
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unsigned char set_bits, clear_bits, new_reg;
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unsigned long flags;
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@ -873,7 +878,8 @@ static void
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ip22zilog_set_termios(struct uart_port *port, struct ktermios *termios,
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struct ktermios *old)
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{
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struct uart_ip22zilog_port *up = (struct uart_ip22zilog_port *) port;
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struct uart_ip22zilog_port *up =
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container_of(port, struct uart_ip22zilog_port, port);
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unsigned long flags;
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int baud, brg;
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