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| author | Fabian Frederick <fabf@skynet.be> | 2014-10-05 21:01:07 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-06 06:20:52 +0300 |
| commit | a15ad34834b1b29459ae87b0f04489d0765259e8 (patch) | |
| tree | c66c34e889c08b87b94cb0c062479da9d8dd8a36 /drivers/tty/serial/jsm | |
| parent | e789d2688720dba26079aac3e008eb6e78937753 (diff) | |
| download | linux-a15ad34834b1b29459ae87b0f04489d0765259e8.tar.xz | |
TTY: jsm: use container_of to resolve jsm_channel 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/jsm')
| -rw-r--r-- | drivers/tty/serial/jsm/jsm_tty.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c index 3e5c1563afe2..8814680630a4 100644 --- a/drivers/tty/serial/jsm/jsm_tty.c +++ b/drivers/tty/serial/jsm/jsm_tty.c @@ -77,7 +77,8 @@ static unsigned int jsm_tty_tx_empty(struct uart_port *port) static unsigned int jsm_tty_get_mctrl(struct uart_port *port) { int result; - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); jsm_dbg(IOCTL, &channel->ch_bd->pci_dev, "start\n"); @@ -98,7 +99,8 @@ static unsigned int jsm_tty_get_mctrl(struct uart_port *port) */ static void jsm_tty_set_mctrl(struct uart_port *port, unsigned int mctrl) { - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); jsm_dbg(IOCTL, &channel->ch_bd->pci_dev, "start\n"); @@ -133,7 +135,8 @@ static void jsm_tty_write(struct uart_port *port) static void jsm_tty_start_tx(struct uart_port *port) { - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); jsm_dbg(IOCTL, &channel->ch_bd->pci_dev, "start\n"); @@ -145,7 +148,8 @@ static void jsm_tty_start_tx(struct uart_port *port) static void jsm_tty_stop_tx(struct uart_port *port) { - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); jsm_dbg(IOCTL, &channel->ch_bd->pci_dev, "start\n"); @@ -157,7 +161,8 @@ static void jsm_tty_stop_tx(struct uart_port *port) static void jsm_tty_send_xchar(struct uart_port *port, char ch) { unsigned long lock_flags; - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); struct ktermios *termios; spin_lock_irqsave(&port->lock, lock_flags); @@ -172,7 +177,8 @@ static void jsm_tty_send_xchar(struct uart_port *port, char ch) static void jsm_tty_stop_rx(struct uart_port *port) { - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); channel->ch_bd->bd_ops->disable_receiver(channel); } @@ -180,7 +186,8 @@ static void jsm_tty_stop_rx(struct uart_port *port) static void jsm_tty_break(struct uart_port *port, int break_state) { unsigned long lock_flags; - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); spin_lock_irqsave(&port->lock, lock_flags); if (break_state == -1) @@ -194,7 +201,8 @@ static void jsm_tty_break(struct uart_port *port, int break_state) static int jsm_tty_open(struct uart_port *port) { struct jsm_board *brd; - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); struct ktermios *termios; /* Get board pointer from our array of majors we have allocated */ @@ -273,7 +281,8 @@ static void jsm_tty_close(struct uart_port *port) { struct jsm_board *bd; struct ktermios *ts; - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); jsm_dbg(CLOSE, &channel->ch_bd->pci_dev, "start\n"); @@ -307,7 +316,8 @@ static void jsm_tty_set_termios(struct uart_port *port, struct ktermios *old_termios) { unsigned long lock_flags; - struct jsm_channel *channel = (struct jsm_channel *)port; + struct jsm_channel *channel = + container_of(port, struct jsm_channel, uart_port); spin_lock_irqsave(&port->lock, lock_flags); channel->ch_c_cflag = termios->c_cflag; |