diff options
| author | Heikki Krogerus <heikki.krogerus@linux.intel.com> | 2013-01-10 11:25:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-15 23:03:00 -0800 |
| commit | 9ee4b83e51f741a645c43e61b9f3f8075ca0fdf4 (patch) | |
| tree | 93d759187615cb57aa42825a2303dc4f4b0f430c /include | |
| parent | 6a7320c4669fbf26a8e71a4c8af4101923152375 (diff) | |
serial: 8250: Add support for dmaengine
Add support for dmaengine API. The drivers can implement the
struct uart_8250_dma member in struct uart_8250_port and
8250.c can take care of the rest.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/serial_8250.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index c490d20b3fb8..af47a8af6024 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -59,6 +59,8 @@ enum { PLAT8250_DEV_SM501, }; +struct uart_8250_dma; + /* * This should be used by drivers which want to register * their own 8250 ports without registering their own @@ -91,6 +93,8 @@ struct uart_8250_port { #define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA unsigned char msr_saved_flags; + struct uart_8250_dma *dma; + /* 8250 specific callbacks */ int (*dl_read)(struct uart_8250_port *); void (*dl_write)(struct uart_8250_port *, int); |