# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.406 -> 1.407
# drivers/usb/serial/pl2303.c 1.6 -> 1.7
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/05/03 [EMAIL PROTECTED] 1.407
# [PATCH] pl2303.c: do not reset termios settings in each open()
#
# this is a patch which avoids resetting the termios settings to default
# values (9600 Baud etc.) in each call to pl2303_open (). It does this
# only on the first call to pl2303_set_termios. After that it sets the
# termios to the last stored values.
#
# This way commands like
# stty -F /dev/ttyUSB0 115200
# work the same way as with other serial ttys.
# --------------------------------------------
#
diff -Nru a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
--- a/drivers/usb/serial/pl2303.c Fri May 3 14:51:39 2002
+++ b/drivers/usb/serial/pl2303.c Fri May 3 14:51:39 2002
@@ -140,6 +140,7 @@
struct pl2303_private {
u8 line_control;
+ u8 termios_initialized;
};
@@ -217,13 +218,19 @@
int baud;
int i;
- dbg (__FUNCTION__ " - port %d", port->number);
+ dbg (__FUNCTION__ " - port %d, initialized = %d", port->number,
+ ((struct pl2303_private *) port->private)->termios_initialized);
if ((!port->tty) || (!port->tty->termios)) {
dbg(__FUNCTION__" - no tty structures");
return;
}
+ if (!(((struct pl2303_private *)port->private)->termios_initialized)) {
+ *(port->tty->termios) = tty_std_termios;
+ port->tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+ ((struct pl2303_private *) port->private)->termios_initialized = 1;
+ }
cflag = port->tty->termios->c_cflag;
/* check that they really want us to change something */
if (old_termios) {
@@ -400,9 +407,6 @@
SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 2, 4);
/* Setup termios */
- *(port->tty->termios) = tty_std_termios;
- port->tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-
pl2303_set_termios (port, &tmp_termios);
//FIXME: need to assert RTS and DTR if CRTSCTS off
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