Lines Matching refs:UART_IER
505 return ns_read_reg(uart, UART_IER) == 0xff; in ns16550_ioport_invalid()
651 ns_write_reg(uart, UART_IER, 0); in ns16550_setup_preirq()
724 ns_write_reg(uart, UART_IER, UART_IER_ERDAI); in ns16550_setup_postirq()
883 u8 ier = ns_read_reg(uart, UART_IER); in ns16550_start_tx()
887 ns_write_reg(uart, UART_IER, ier | UART_IER_ETHREI); in ns16550_start_tx()
893 u8 ier = ns_read_reg(uart, UART_IER); in ns16550_stop_tx()
897 ns_write_reg(uart, UART_IER, ier & ~UART_IER_ETHREI); in ns16550_stop_tx()
967 scratch = ns_read_reg(uart, UART_IER); in check_existence()
968 ns_write_reg(uart, UART_IER, 0); in check_existence()
974 scratch2 = ns_read_reg(uart, UART_IER) & 0x0f; in check_existence()
975 ns_write_reg(uart,UART_IER, 0x0F); in check_existence()
976 scratch3 = ns_read_reg(uart, UART_IER) & 0x0f; in check_existence()
977 ns_write_reg(uart, UART_IER, scratch); in check_existence()