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path: root/drivers/usb/serial/generic.c
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Diffstat (limited to 'drivers/usb/serial/generic.c')
-rw-r--r--drivers/usb/serial/generic.c15
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 814909f1ee6..4cec9906ccf 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -122,12 +122,6 @@ int usb_serial_generic_open(struct tty_struct *tty,
dbg("%s - port %d", __func__, port->number);
- /* force low_latency on so that our tty_push actually forces the data
- through, otherwise it is scheduled, and with high data rates (like
- with OHCI) data can get lost. */
- if (tty)
- tty->low_latency = 1;
-
/* clear the throttle flags */
spin_lock_irqsave(&port->lock, flags);
port->throttled = 0;
@@ -177,14 +171,6 @@ int usb_serial_generic_resume(struct usb_serial *serial)
struct usb_serial_port *port;
int i, c = 0, r;
-#ifdef CONFIG_PM
- /*
- * If this is an autoresume, don't submit URBs.
- * They will be submitted in the open function instead.
- */
- if (serial->dev->auto_pm)
- return 0;
-#endif
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
if (port->port.count && port->read_urb) {
@@ -196,6 +182,7 @@ int usb_serial_generic_resume(struct usb_serial *serial)
return c ? -EIO : 0;
}
+EXPORT_SYMBOL_GPL(usb_serial_generic_resume);
void usb_serial_generic_close(struct tty_struct *tty,
struct usb_serial_port *port, struct file *filp)