diff options
| author | Qipan Li <Qipan.Li@csr.com> | 2015-05-14 06:45:24 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-24 12:50:41 -0700 |
| commit | d9e8e976faef867f9be579d6a76e1271d5d30da8 (patch) | |
| tree | deff4a8a9272eaeaf2a752eb5ce06cb3fc65d421 | |
| parent | 36c0991089ef190ee5e3f72e1346c623b24a0e7d (diff) | |
| download | talos-op-linux-d9e8e976faef867f9be579d6a76e1271d5d30da8.tar.gz talos-op-linux-d9e8e976faef867f9be579d6a76e1271d5d30da8.zip | |
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: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/sirfsoc_uart.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c index ffeb7663bd6e..a5007216338d 100644 --- a/drivers/tty/serial/sirfsoc_uart.c +++ b/drivers/tty/serial/sirfsoc_uart.c @@ -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); @@ -932,10 +936,11 @@ 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 { - config_reg |= SIRFUART_STICK_BIT_EVEN; + if (termios->c_cflag & PARODD) + config_reg |= SIRFUART_STICK_BIT_ODD; + else + config_reg |= SIRFUART_STICK_BIT_EVEN; } } } else { |
