diff options
Diffstat (limited to 'drivers/tty/serial/8250.h')
| -rw-r--r-- | drivers/tty/serial/8250.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250.h b/drivers/tty/serial/8250.h index 6edf4a6a22d..ae027be57e2 100644 --- a/drivers/tty/serial/8250.h +++ b/drivers/tty/serial/8250.h @@ -13,6 +13,32 @@ #include <linux/serial_8250.h> +struct uart_8250_port { + struct uart_port port; + struct timer_list timer; /* "no irq" timer */ + struct list_head list; /* ports on this IRQ */ + unsigned short capabilities; /* port capabilities */ + unsigned short bugs; /* port bugs */ + unsigned int tx_loadsz; /* transmit fifo load size */ + unsigned char acr; + unsigned char ier; + unsigned char lcr; + unsigned char mcr; + unsigned char mcr_mask; /* mask of user bits */ + unsigned char mcr_force; /* mask of forced bits */ + unsigned char cur_iotype; /* Running I/O type */ + + /* + * Some bits in registers are cleared on a read, so they must + * be saved whenever the register is read but the bits will not + * be immediately processed. + */ +#define LSR_SAVE_FLAGS UART_LSR_BRK_ERROR_BITS + unsigned char lsr_saved_flags; +#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA + unsigned char msr_saved_flags; +}; + struct old_serial_port { unsigned int uart; unsigned int baud_base; |