Messages in this thread Patch in this message | | | From | Johan Hovold <> | Subject | [PATCH] USB: pl2303: fix DTR/RTS being raised on baud rate change | Date | Fri, 23 Mar 2012 15:23:18 +0100 |
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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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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