diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2014-07-14 14:26:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-17 18:16:23 -0700 |
| commit | b1261c86fe238cc0da3f5dc837a38a0c39f3e7c4 (patch) | |
| tree | 4a62c30754e5aca7cf5c665efeabf545b69d52da /drivers/tty/serial/8250/8250_pci.c | |
| parent | 380c966c093e7239e42a81f165b20b2bad2658bc (diff) | |
| download | blackbird-op-linux-b1261c86fe238cc0da3f5dc837a38a0c39f3e7c4.tar.gz blackbird-op-linux-b1261c86fe238cc0da3f5dc837a38a0c39f3e7c4.zip | |
serial: 8250: introduce up_to_u8250p() helper
It helps to cast struct uart_port to struct uart_8250_port at runtime.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/8250/8250_pci.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_pci.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 33137b3ba94d..61830b1792eb 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1581,8 +1581,7 @@ static int skip_tx_en_setup(struct serial_private *priv, static void kt_handle_break(struct uart_port *p) { - struct uart_8250_port *up = - container_of(p, struct uart_8250_port, port); + struct uart_8250_port *up = up_to_u8250p(p); /* * On receipt of a BI, serial device in Intel ME (Intel * management engine) needs to have its fifos cleared for sane @@ -1593,8 +1592,7 @@ static void kt_handle_break(struct uart_port *p) static unsigned int kt_serial_in(struct uart_port *p, int offset) { - struct uart_8250_port *up = - container_of(p, struct uart_8250_port, port); + struct uart_8250_port *up = up_to_u8250p(p); unsigned int val; /* |
