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_fsl.c | |
| parent | tty: serial: fsl_lpuart: add 32-bit register interface support (diff) | |
| download | linux-stable-b1261c86fe238cc0da3f5dc837a38a0c39f3e7c4.tar.xz linux-stable-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_fsl.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_fsl.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_fsl.c b/drivers/tty/serial/8250/8250_fsl.c index f4d3c47b88e8..c0533a57ec53 100644 --- a/drivers/tty/serial/8250/8250_fsl.c +++ b/drivers/tty/serial/8250/8250_fsl.c @@ -28,8 +28,7 @@ int fsl8250_handle_irq(struct uart_port *port) unsigned char lsr, orig_lsr; unsigned long flags; unsigned int iir; - struct uart_8250_port *up = - container_of(port, struct uart_8250_port, port); + struct uart_8250_port *up = up_to_u8250p(port); spin_lock_irqsave(&up->port.lock, flags); |