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path: root/drivers/usb/serial/cypress_m8.c
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Diffstat (limited to 'drivers/usb/serial/cypress_m8.c')
-rw-r--r--drivers/usb/serial/cypress_m8.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index af9290ed257..68067fe117a 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -112,6 +112,7 @@ static struct usb_driver cypress_driver = {
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table_combined,
+ .no_dynamic_id = 1,
};
struct cypress_private {
@@ -356,7 +357,7 @@ static int cypress_serial_control (struct usb_serial_port *port, unsigned baud_m
} while (retval != 5 && retval != ENODEV);
if (retval != 5) {
- err("%s - failed to retreive serial line settings - %d", __FUNCTION__, retval);
+ err("%s - failed to retrieve serial line settings - %d", __FUNCTION__, retval);
return retval;
} else {
spin_lock_irqsave(&priv->lock, flags);
@@ -1262,12 +1263,10 @@ static void cypress_read_int_callback(struct urb *urb, struct pt_regs *regs)
/* process read if there is data other than line status */
if (tty && (bytes > i)) {
+ bytes = tty_buffer_request_room(tty, bytes);
for (; i < bytes ; ++i) {
dbg("pushing byte number %d - %d - %c", i, data[i],
data[i]);
- if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
- tty_flip_buffer_push(tty);
- }
tty_insert_flip_char(tty, data[i], tty_flag);
}
tty_flip_buffer_push(port->tty);