AR933X_UART_INT_EN_REG
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
status &= ar933x_uart_read(up, AR933X_UART_INT_EN_REG);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
imr = ar933x_uart_read(up, AR933X_UART_INT_EN_REG);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, 0);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, imr);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, imr);
imr = ar933x_uart_read(up, AR933X_UART_INT_EN_REG);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, 0);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, imr);
int_en = ar933x_uart_read(up, AR933X_UART_INT_EN_REG);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, 0);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, int_en);
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);