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usb serial: more fixes and groundwork for tty changes

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- If a termios change fails due to lack of memory we should copy the
   old settings back over as the device has not changed
 - Note various locking problems
 - kl5kusb105 had various remaining tty flag handling problems
 - Make safe_serial use tty_insert_flip_string not open coded loops
 - set termios speed properly in usb_serial

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox
2008-04-08 17:16:06 +01:00
committed by Greg Kroah-Hartman
parent 441b62c1ed
commit a5b6f60c5a
16 changed files with 95 additions and 69 deletions
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19
drivers/usb/serial/keyspan.c
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@@ -1187,6 +1187,7 @@ static int keyspan_write_room (struct usb_serial_port *port)
p_priv = usb_get_serial_port_data(port);
d_details = p_priv->device_details;
/* FIXME: locking */
if (d_details->msg_format == msg_usa90)
data_len = 64;
else
@@ -1203,13 +1204,13 @@ static int keyspan_write_room (struct usb_serial_port *port)
if (this_urb->status != -EINPROGRESS)
return (data_len);
}
return (0);
return 0;
}
static int keyspan_chars_in_buffer (struct usb_serial_port *port)
{
return (0);
return 0;
}
@@ -1289,7 +1290,7 @@ static int keyspan_open (struct usb_serial_port *port, struct file *filp)
//mdelay(100);
//keyspan_set_termios(port, NULL);
return (0);
return 0;
}
static inline void stop_urb(struct urb *urb)
@@ -2006,7 +2007,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial,
}
#endif
return (0);
return 0;
}
static int keyspan_usa28_send_setup(struct usb_serial *serial,
@@ -2131,7 +2132,7 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial,
}
#endif
return (0);
return 0;
}
static int keyspan_usa49_send_setup(struct usb_serial *serial,
@@ -2317,7 +2318,7 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial,
}
#endif
return (0);
return 0;
}
static int keyspan_usa90_send_setup(struct usb_serial *serial,
@@ -2455,7 +2456,7 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial,
if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) {
dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err);
}
return (0);
return 0;
}
static int keyspan_usa67_send_setup(struct usb_serial *serial,
@@ -2603,7 +2604,7 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial,
if (err != 0)
dbg("%s - usb_submit_urb(setup) failed (%d)", __func__,
err);
return (0);
return 0;
}
static void keyspan_send_setup(struct usb_serial_port *port, int reset_port)
@@ -2696,7 +2697,7 @@ static int keyspan_startup (struct usb_serial *serial)
err);
}
return (0);
return 0;
}
static void keyspan_shutdown (struct usb_serial *serial)