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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:43:39 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:43:39 +0000 |
| commit | 27a2c36c9538c7e5536a1b20fd74f0fc911d7950 (patch) | |
| tree | 3101221cb1458bce62f7ae76638517d93f8b64a8 /drivers/tty/serial/8250/8250_port.c | |
| parent | Releasing progress-linux version 4.19.260-1progress5u1. (diff) | |
| download | linux-27a2c36c9538c7e5536a1b20fd74f0fc911d7950.tar.xz linux-27a2c36c9538c7e5536a1b20fd74f0fc911d7950.zip | |
Merging upstream version 4.19.269.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/tty/serial/8250/8250_port.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index f11d12025..ce266e10a 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1865,10 +1865,13 @@ EXPORT_SYMBOL_GPL(serial8250_modem_status); static bool handle_rx_dma(struct uart_8250_port *up, unsigned int iir) { switch (iir & 0x3f) { - case UART_IIR_RX_TIMEOUT: - serial8250_rx_dma_flush(up); + case UART_IIR_RDI: + if (!up->dma->rx_running) + break; /* fall-through */ case UART_IIR_RLSI: + case UART_IIR_RX_TIMEOUT: + serial8250_rx_dma_flush(up); return true; } return up->dma->rx_dma(up); @@ -3269,8 +3272,13 @@ static void serial8250_console_restore(struct uart_8250_port *up) unsigned int baud, quot, frac = 0; termios.c_cflag = port->cons->cflag; - if (port->state->port.tty && termios.c_cflag == 0) + termios.c_ispeed = port->cons->ispeed; + termios.c_ospeed = port->cons->ospeed; + if (port->state->port.tty && termios.c_cflag == 0) { termios.c_cflag = port->state->port.tty->termios.c_cflag; + termios.c_ispeed = port->state->port.tty->termios.c_ispeed; + termios.c_ospeed = port->state->port.tty->termios.c_ospeed; + } baud = serial8250_get_baud_rate(port, &termios, NULL); quot = serial8250_get_divisor(port, baud, &frac); |