diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 2 | ||||
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 16 | ||||
| -rw-r--r-- | drivers/tty/serial/xilinx_uartps.c | 3 | ||||
| -rw-r--r-- | drivers/tty/tty_buffer.c | 3 |
4 files changed, 20 insertions, 4 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 4ca46aa64699..8db5883803c9 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -683,7 +683,7 @@ static struct platform_driver dw8250_platform_driver = { .name = "dw-apb-uart", .pm = &dw8250_pm_ops, .of_match_table = dw8250_of_match, - .acpi_match_table = ACPI_PTR(dw8250_acpi_match), + .acpi_match_table = dw8250_acpi_match, }, .probe = dw8250_probe, .remove = dw8250_remove, diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 3a9e27dd171e..599d8a4f124a 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -232,7 +232,11 @@ static int uart_port_startup(struct tty_struct *tty, struct uart_state *state, if (retval == 0) { if (uart_console(uport) && uport->cons->cflag) { tty->termios.c_cflag = uport->cons->cflag; + tty->termios.c_ispeed = uport->cons->ispeed; + tty->termios.c_ospeed = uport->cons->ospeed; uport->cons->cflag = 0; + uport->cons->ispeed = 0; + uport->cons->ospeed = 0; } /* * Initialise the hardware port settings. @@ -300,8 +304,11 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state) /* * Turn off DTR and RTS early. */ - if (uport && uart_console(uport) && tty) + if (uport && uart_console(uport) && tty) { uport->cons->cflag = tty->termios.c_cflag; + uport->cons->ispeed = tty->termios.c_ispeed; + uport->cons->ospeed = tty->termios.c_ospeed; + } if (!tty || C_HUPCL(tty)) uart_port_dtr_rts(uport, 0); @@ -2076,8 +2083,11 @@ uart_set_options(struct uart_port *port, struct console *co, * Allow the setting of the UART parameters with a NULL console * too: */ - if (co) + if (co) { co->cflag = termios.c_cflag; + co->ispeed = termios.c_ispeed; + co->ospeed = termios.c_ospeed; + } return 0; } @@ -2211,6 +2221,8 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) */ memset(&termios, 0, sizeof(struct ktermios)); termios.c_cflag = uport->cons->cflag; + termios.c_ispeed = uport->cons->ispeed; + termios.c_ospeed = uport->cons->ospeed; /* * If that's unset, use the tty termios setting. diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 00a740b8ad27..cdd81c28893a 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -595,9 +595,10 @@ static void cdns_uart_start_tx(struct uart_port *port) if (uart_circ_empty(&port->state->xmit)) return; + writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_ISR); + cdns_uart_handle_tx(port); - writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_ISR); /* Enable the TX Empty interrupt */ writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_IER); } diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index cf11882d2602..a5b32dd056be 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -528,6 +528,9 @@ static void flush_to_ldisc(struct work_struct *work) if (!count) break; head->read += count; + + if (need_resched()) + cond_resched(); } mutex_unlock(&buf->lock); |