AR933X_UART_DATA_RX_CSR
ar933x_uart_write(up, AR933X_UART_DATA_REG, AR933X_UART_DATA_RX_CSR);
} while (status & AR933X_UART_DATA_RX_CSR);
if ((rdata & AR933X_UART_DATA_RX_CSR) == 0)
AR933X_UART_DATA_RX_CSR);
if ((rdata & AR933X_UART_DATA_RX_CSR) == 0) {
AR933X_UART_DATA_RX_CSR);