From: Pali Rohár <p...@kernel.org> Explicitly disable 2 stop bits by clearing CSTOPB flag, disable modem control flow by clearing CRTSCTS flag and do not send hangup after closing device by clearing HUPCL flag.
Signed-off-by: Pali Rohár <p...@kernel.org> Reviewed-by: Marek Behún <marek.be...@nic.cz> --- tools/kwboot.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/kwboot.c b/tools/kwboot.c index 695d433b96..c55b41025b 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -657,6 +657,7 @@ kwboot_open_tty(const char *path, int baudrate) cfmakeraw(&tio); tio.c_cflag |= CREAD | CLOCAL; + tio.c_cflag &= ~(CSTOPB | HUPCL | CRTSCTS); tio.c_cc[VMIN] = 1; tio.c_cc[VTIME] = 0; -- 2.32.0