[PATCH] TTY layer buffering revamp

[pandora-kernel.git] / drivers / usb / serial / option.c

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 4989e57..52bdf6f 100644 (file)
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -95,20 +95,22 @@ static struct usb_device_id option_ids[] = {
 MODULE_DEVICE_TABLE(usb, option_ids);
 
 static struct usb_driver option_driver = {
-       .owner      = THIS_MODULE,
        .name       = "option",
        .probe      = usb_serial_probe,
        .disconnect = usb_serial_disconnect,
        .id_table   = option_ids,
+       .no_dynamic_id =        1,
 };
 
 /* The card has three separate interfaces, wich the serial driver
  * recognizes separately, thus num_port=1.
  */
-static struct usb_serial_device_type option_3port_device = {
-       .owner             = THIS_MODULE,
-       .name              = "Option 3G data card",
-       .short_name        = "option",
+static struct usb_serial_driver option_3port_device = {
+       .driver = {
+               .owner =        THIS_MODULE,
+               .name =         "option",
+       },
+       .description       = "Option 3G data card",
        .id_table          = option_ids,
        .num_interrupt_in  = NUM_DONT_CARE,
        .num_bulk_in       = NUM_DONT_CARE,
@@ -319,7 +321,7 @@ static int option_write(struct usb_serial_port *port,
 
 static void option_indat_callback(struct urb *urb, struct pt_regs *regs)
 {
-       int i, err;
+       int err;
        int endpoint;
        struct usb_serial_port *port;
        struct tty_struct *tty;
@@ -336,11 +338,8 @@ static void option_indat_callback(struct urb *urb, struct pt_regs *regs)
        } else {
                tty = port->tty;
                if (urb->actual_length) {
-                       for (i = 0; i < urb->actual_length ; ++i) {
-                               if (tty->flip.count >= TTY_FLIPBUF_SIZE)
-                                       tty_flip_buffer_push(tty);
-                               tty_insert_flip_char(tty, data[i], 0);
-                       }
+                       tty_buffer_request_room(tty, urb->actual_length);
+                       tty_insert_flip_string(tty, data, urb->actual_length);
                        tty_flip_buffer_push(tty);
                } else {
                        dbg("%s: empty read urb received", __FUNCTION__);