UART_CTRL_PS 251 drivers/tty/serial/apbuart.c cr &= ~(UART_CTRL_PE | UART_CTRL_PS); UART_CTRL_PS 256 drivers/tty/serial/apbuart.c cr |= UART_CTRL_PS; UART_CTRL_PS 465 drivers/tty/serial/apbuart.c if ((status & UART_CTRL_PS) == 0)