diff options
Diffstat (limited to 'include/linux/serial_reg.h')
| -rw-r--r-- | include/linux/serial_reg.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h index 3c8a6aa77415..1c5ed7d92b0f 100644 --- a/include/linux/serial_reg.h +++ b/include/linux/serial_reg.h @@ -38,6 +38,8 @@ #define UART_IIR_RDI 0x04 /* Receiver data interrupt */ #define UART_IIR_RLSI 0x06 /* Receiver line status interrupt */ +#define UART_IIR_BUSY 0x07 /* DesignWare APB Busy Detect */ + #define UART_FCR 2 /* Out: FIFO Control Register */ #define UART_FCR_ENABLE_FIFO 0x01 /* Enable the FIFO */ #define UART_FCR_CLEAR_RCVR 0x02 /* Clear the RCVR FIFO */ |