Commit d9e8e976 authored by Qipan Li's avatar Qipan Li Committed by Greg Kroah-Hartman
Browse files

serial: sirf: add uart receive's some error counter and mark 



add overrun error's flag mark and parity's counter, we can show the
statistic from procfs node.

BTW, let the indentation of stick bits configuration look better.

Signed-off-by: default avatarQipan Li <Qipan.Li@csr.com>
Signed-off-by: default avatarBarry Song <Baohua.Song@csr.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 36c09910

drivers/tty/serial/sirfsoc_uart.c

+10 −5
Original line number Diff line number Diff line
@@ -606,14 +606,18 @@ static irqreturn_t sirfsoc_uart_isr(int irq, void *dev_id) 
			if (uart_handle_break(port))

				goto recv_char;

		}

		if (intr_status & uint_st->sirfsoc_rx_oflow)

		if (intr_status & uint_st->sirfsoc_rx_oflow) {

			port->icount.overrun++;

			flag = TTY_OVERRUN;

		}

		if (intr_status & uint_st->sirfsoc_frm_err) {

			port->icount.frame++;

			flag = TTY_FRAME;

		}

		if (intr_status & uint_st->sirfsoc_parity_err)

		if (intr_status & uint_st->sirfsoc_parity_err) {

			port->icount.parity++;

			flag = TTY_PARITY;

		}

		wr_regl(port, ureg->sirfsoc_rx_fifo_op, SIRFUART_FIFO_RESET);

		wr_regl(port, ureg->sirfsoc_rx_fifo_op, 0);

		wr_regl(port, ureg->sirfsoc_rx_fifo_op, SIRFUART_FIFO_START);
@@ -932,9 +936,10 @@ static void sirfsoc_uart_set_termios(struct uart_port *port, 
					config_reg |= SIRFUART_STICK_BIT_MARK;

				else

					config_reg |= SIRFUART_STICK_BIT_SPACE;

			} else if (termios->c_cflag & PARODD) {

				config_reg |= SIRFUART_STICK_BIT_ODD;

			} else {

				if (termios->c_cflag & PARODD)

					config_reg |= SIRFUART_STICK_BIT_ODD;

				else

					config_reg |= SIRFUART_STICK_BIT_EVEN;

			}

		}

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