From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/tty/serial/8250/8250_alpha.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 drivers/tty/serial/8250/8250_alpha.c (limited to 'drivers/tty/serial/8250/8250_alpha.c') diff --git a/drivers/tty/serial/8250/8250_alpha.c b/drivers/tty/serial/8250/8250_alpha.c new file mode 100644 index 0000000000..58e70328aa --- /dev/null +++ b/drivers/tty/serial/8250/8250_alpha.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include +#include "8250.h" + +bool alpha_jensen(void) +{ + return !strcmp(alpha_mv.vector_name, "Jensen"); +} + +void alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl) +{ + /* + * Digital did something really horribly wrong with the OUT1 and OUT2 + * lines on Alpha Jensen. The failure mode is that if either is + * cleared, the machine locks up with endless interrupts. + */ + mctrl |= TIOCM_OUT1 | TIOCM_OUT2; + + serial8250_do_set_mctrl(port, mctrl); +} -- cgit v1.2.3