* [PATCH] USB: pl2303: fix DTR/RTS being raised on baud rate change
[not found] <20120323142249.GB11407@localhost>
@ 2012-03-23 14:23 ` Johan Hovold
0 siblings, 0 replies; only message in thread
From: Johan Hovold @ 2012-03-23 14:23 UTC (permalink / raw)
To: Greg Kroah-Hartman; +Cc: linux-kernel, Søren holm, Johan Hovold, stable
DTR/RTS should only be raised when changing baudrate from B0 and not on
any baud rate change (> B0).
Reported-by: Søren Holm <sgh@sgh.dk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
---
drivers/usb/serial/pl2303.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 052c401..c3b1911 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -420,7 +420,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
control = priv->line_control;
if ((cflag & CBAUD) == B0)
priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
- else
+ else if ((old_termios->c_cflag & CBAUD) == B0)
priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
if (control != priv->line_control) {
control = priv->line_control;
--
1.7.8.5
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2012-03-23 14:23 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <20120323142249.GB11407@localhost>
2012-03-23 14:23 ` [PATCH] USB: pl2303: fix DTR/RTS being raised on baud rate change Johan Hovold
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®